{"id":18926,"date":"2018-12-10T09:00:57","date_gmt":"2018-12-10T00:00:57","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=18926"},"modified":"2018-12-13T14:22:45","modified_gmt":"2018-12-13T05:22:45","slug":"docker-images-and-layers","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2018\/12\/10\/docker-images-and-layers\/","title":{"rendered":"\u77e5\u3089\u306a\u3044\u3068\u640d\u3059\u308b Docker \u30a4\u30e1\u30fc\u30b8\u306e\u30ec\u30a4\u30e4\u69cb\u9020\u3068\u306f"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001Synergy! \u958b\u767a\u30c1\u30fc\u30e0\u306e\u677e\u672c\u3067\u3059\u3002\u3053\u308c\u306f <a href=\"\/blog\/2018\/11\/22\/techscore-advent-calendar-2018\/\">TECHSCORE Advent Calendar 2018<\/a> \u306e 10 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>Docker \u30a4\u30e1\u30fc\u30b8\u3092\u30d3\u30eb\u30c9\u3057\u305f\u7d50\u679c\u3001\u4f5c\u6210\u3055\u308c\u305f\u30a4\u30e1\u30fc\u30b8\u306e\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3059\u304e\u3066\u56f0\u3063\u305f\u7d4c\u9a13\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30a4\u30e1\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u306e\u69cb\u9020\u3092\u77e5\u308b\u3053\u3068\u304c\u9375\u3068\u306a\u308a\u307e\u3059\u3002\u672c\u7a3f\u306f\u3001\u305d\u306e\u524d\u63d0\u77e5\u8b58\u3068\u306a\u308b\u30a4\u30e1\u30fc\u30b8\u5185\u90e8\u306b\u3064\u3044\u3066\u306e\u89e3\u8aac\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u672c\u8a18\u4e8b\u5185\u3067\u5229\u7528\u3057\u3066\u3044\u308b Docker \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \" >$ docker --version\nDocker version 18.03.0-ce, build 0520e24<\/pre>\n<h2>\u30e6\u30cb\u30aa\u30f3\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u30b3\u30d4\u30fc\u30aa\u30f3\u30e9\u30a4\u30c8<\/h2>\n<p>Docker \u30b3\u30f3\u30c6\u30ca\u304c\u8efd\u91cf\u3060\u3068\u8a00\u308f\u308c\u308b\u7406\u7531\u306e\u3072\u3068\u3064\u304c\u3001<a href=\"\/blog\/2014\/07\/30\/introduction-to-unionfs\/\"><strong>\u30e6\u30cb\u30aa\u30f3\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0<\/strong><\/a>\u306b\u3042\u308a\u307e\u3059\u3002\u30e6\u30cb\u30aa\u30f3\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3084\u30d5\u30a1\u30a4\u30eb\u3092<strong>\u30ec\u30a4\u30e4<\/strong>\u3068\u3057\u3066\u91cd\u306d\u5408\u308f\u305b\u3001\u305d\u308c\u3089\u3092\u4eee\u60f3\u7684\u306b\u4e00\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u6271\u3046\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>Docker \u306f\u3001\u3053\u306e\u30e6\u30cb\u30aa\u30f3\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3044\u3001\u30a4\u30e1\u30fc\u30b8\u3092\u8907\u6570\u306e\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30ec\u30a4\u30e4\u306e\u30b9\u30bf\u30c3\u30af\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u306f\u3055\u3089\u306b\u3001\u8aad\u307f\u66f8\u304d\u53ef\u80fd\u306a\u30ec\u30a4\u30e4\u3092\u4e00\u679a\u91cd\u306d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2018\/11\/layers.png\" rel=\"facebox\" rel=\"attachment wp-att-18986\"><img loading=\"lazy\" src=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2018\/11\/layers.png\" alt=\"\" width=\"660\" height=\"191\" class=\"aligncenter size-full wp-image-18986\" srcset=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2018\/11\/layers.png 660w, https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2018\/11\/layers-300x87.png 300w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/a><\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u4e0a\u306e\u8aad\u307f\u66f8\u304d\u53ef\u80fd\u306a\u30ec\u30a4\u30e4\u3092<strong>\u30b3\u30f3\u30c6\u30ca\u30ec\u30a4\u30e4<\/strong>\u3068\u547c\u3073\u3001\u30a4\u30e1\u30fc\u30b8\u3092\u69cb\u6210\u3059\u308b\u8aad\u307f\u8fbc\u307f\u5c02\u7528\u30ec\u30a4\u30e4\u3092<strong>\u30a4\u30e1\u30fc\u30b8\u30ec\u30a4\u30e4<\/strong>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u69cb\u6210\u306b\u3088\u308a\u3001\u540c\u4e00\u30ce\u30fc\u30c9\u4e0a\u3067\u52d5\u304f\u8907\u6570\u306e\u30b3\u30f3\u30c6\u30ca\u304c\u3001Docker \u30a4\u30e1\u30fc\u30b8\u3092\u69cb\u6210\u3059\u308b\u30a4\u30e1\u30fc\u30b8\u30ec\u30a4\u30e4\u3092\u5171\u6709\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u3001\u30c8\u30fc\u30bf\u30eb\u3068\u3057\u3066\u306e\u30b3\u30f3\u30c6\u30ca\u30b5\u30a4\u30ba\u3092\u6700\u5c0f\u5316\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2018\/11\/sharing.png\" rel=\"facebox\" rel=\"attachment wp-att-18988\"><img loading=\"lazy\" src=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2018\/11\/sharing.png\" alt=\"\" width=\"721\" height=\"281\" class=\"aligncenter size-full wp-image-18988\" srcset=\"https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2018\/11\/sharing.png 721w, https:\/\/www.techscore.com\/blog\/wp\/wp-content\/uploads\/2018\/11\/sharing-300x117.png 300w\" sizes=\"(max-width: 721px) 100vw, 721px\" \/><\/a><\/p>\n<p>\u5171\u6709\u3057\u3066\u3044\u308b\u30a4\u30e1\u30fc\u30b8\u30ec\u30a4\u30e4\u306b\u5bfe\u3059\u308b\u30b3\u30f3\u30c6\u30ca\u4e0a\u3067\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u66f4\u65b0\u306f\u3001<strong>\u30b3\u30d4\u30fc\u30aa\u30f3\u30e9\u30a4\u30c8<\/strong>\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30d4\u30fc\u30aa\u30f3\u30e9\u30a4\u30c8\u3067\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u30ec\u30a4\u30e4\u306b\u5b58\u5728\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u66f4\u65b0\u6642\u306b\u3001\u30a4\u30e1\u30fc\u30b8\u30ec\u30a4\u30e4\u304b\u3089\u30c7\u30fc\u30bf\u3092\u30b3\u30f3\u30c6\u30ca\u30ec\u30a4\u30e4\u30fc\u306b\u30b3\u30d4\u30fc\u3057\u3066\u5909\u66f4\u3092\u53cd\u6620\u3057\u307e\u3059\u3002\u5bfe\u8c61\u3068\u306a\u308b\u30c7\u30fc\u30bf\u304c\u8907\u6570\u306e\u30a4\u30e1\u30fc\u30b8\u30ec\u30a4\u30e4\u306b\u5b58\u5728\u3059\u308b\u5834\u5408\u306f\u3001\u6700\u3082\u4e0a\u4f4d\u306e\u30a4\u30e1\u30fc\u30b8\u30ec\u30a4\u30e4\u5185\u306e\u30c7\u30fc\u30bf\u304c\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30d4\u30fc\u30aa\u30f3\u30e9\u30a4\u30c8\u51e6\u7406\u306f\u3001\u5229\u7528\u3057\u3066\u3044\u308b\u74b0\u5883\u304c\u9078\u629e\u3057\u3066\u3044\u308b<strong>\u30b9\u30c8\u30ec\u30fc\u30b8\u30c9\u30e9\u30a4\u30d0<\/strong>\u306b\u3088\u3063\u3066\u5b9f\u88c5\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070 <strong>aufs \u30c9\u30e9\u30a4\u30d0<\/strong>\u3067\u306f\u30b3\u30d4\u30fc\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306f\u30d5\u30a1\u30a4\u30eb\u305d\u306e\u3082\u306e\u3067\u3059\u304c\u3001<strong>devicemapper \u30c9\u30e9\u30a4\u30d0<\/strong>\u3067\u306f\u30b3\u30d4\u30fc\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306f 64K \u30d0\u30a4\u30c8\u306e\u30d6\u30ed\u30c3\u30af\u5358\u4f4d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u308b\u30b9\u30c8\u30ec\u30fc\u30b8\u30c9\u30e9\u30a4\u30d0\u306e\u30ea\u30b9\u30c8\u306f\u6b21\u306e\u901a\u308a\u3067\u3001\u5229\u7528\u3057\u3066\u3044\u308b\u74b0\u5883\u3084\u7528\u9014\u306b\u5fdc\u3058\u3066\u30d9\u30b9\u30c8\u306a\u30c9\u30e9\u30a4\u30d0\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>overlay2, overlay<\/li>\n<li>aufs<\/li>\n<li>btrfs<\/li>\n<li>devicemapper<\/li>\n<li>vfs<\/li>\n<li>zfs<\/li>\n<\/ul>\n<p>\u9078\u629e\u4e2d\u306e\u30c9\u30e9\u30a4\u30d0\u304c\u4f55\u3067\u3042\u308b\u304b\u306f\u3001<code>docker info<\/code> \u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f devicemapper \u30c9\u30e9\u30a4\u30d0\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u3068\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ docker info | grep 'Storage Driver'\nStorage Driver: devicemapper<\/pre>\n<h2>\u30a4\u30e1\u30fc\u30b8\u306e\u30ec\u30a4\u30e4\u69cb\u6210<\/h2>\n<p>Docker \u30a4\u30e1\u30fc\u30b8\u5185\u306e\u30ec\u30a4\u30e4\u69cb\u9020\u306f <code>docker history<\/code> \u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u4e0b\u306e\u4f8b\u3067\u306f\u3001<code>ubuntu:18.04<\/code> \u304c 5 \u3064\u306e\u30ec\u30a4\u30e4\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u3046\u304b\u304c\u3048\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ docker images\nREPOSITORY          TAG                 IMAGE ID            CREATED             SIZE\nubuntu              18.04               ea4c82dcd15a        4 weeks ago         85.8MB\n$ docker history ubuntu:18.04\nIMAGE               CREATED             CREATED BY                                      SIZE                COMMENT\nea4c82dcd15a        4 weeks ago         \/bin\/sh -c #(nop)  CMD [\"\/bin\/bash\"]            0B\n<missing>           4 weeks ago         \/bin\/sh -c mkdir -p \/run\/systemd && echo 'do\u2026   7B\n<missing>           4 weeks ago         \/bin\/sh -c rm -rf \/var\/lib\/apt\/lists\/*          0B\n<missing>           4 weeks ago         \/bin\/sh -c set -xe   && echo '#!\/bin\/sh' > \/\u2026   745B\n<missing>           4 weeks ago         \/bin\/sh -c #(nop) ADD file:bcd068f67af2788db\u2026   85.8MB<\/pre>\n<p>\u3053\u306e<a href=\"https:\/\/github.com\/tianon\/docker-brew-ubuntu-core\/blob\/c7e9f7353aa24d1c35f501e06382aed1b540e85f\/bionic\/Dockerfile\">\u30a4\u30e1\u30fc\u30b8\u3092\u30d3\u30eb\u30c9\u3059\u308b\u6642\u306b\u5229\u7528\u3055\u308c\u305f Dockerfile<\/a>  \u3068\u898b\u6bd4\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u5404\u884c\u306f\u3001Dockerfile \u5185\u306e <code>RUN<\/code> \u3084 <code>ADD<\/code> \u306a\u3069\u306e\u547d\u4ee4\uff08instruction\uff09\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u4e00\u756a\u4e0b\u306e\u884c\u304c\u3001Dockerfile \u5185\u3067\u306e <code>ADD ubuntu-bionic-core-cloudimg-amd64-root.tar.gz \/<\/code> \u3092\u5b9f\u884c\u3057\u305f\u7d50\u679c\u3068\u3057\u3066\u4f5c\u6210\u3055\u308c\u305f\u30ec\u30a4\u30e4\u3067\u3059\u3002\u6700\u4e0a\u4f4d\u306e\u30ec\u30a4\u30e4\u306f\u30a4\u30e1\u30fc\u30b8 ID \u3068\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e <code>ubuntu:18.04<\/code> \u3092\u3082\u3068\u306b\u65b0\u305f\u306a\u30a4\u30e1\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b\u3068\u30ec\u30a4\u30e4\u69cb\u6210\u304c\u3069\u3046\u306a\u308b\u304b\u8a66\u3057\u3066\u307f\u307e\u3059\u3002Dockerfile \u306f\u6b21\u306e\u901a\u308a\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">FROM ubuntu:18.04\nRUN echo \"Hello world\" > \/tmp\/newfile<\/pre>\n<p>\u30d3\u30eb\u30c9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ docker build -t changed-ubuntu .\nSending build context to Docker daemon  2.048kB\nStep 1\/2 : FROM ubuntu:18.04\n ---> ea4c82dcd15a\nStep 2\/2 : RUN echo \"Hello world\" > \/tmp\/newfile\n ---> Running in 39692af0aaaf\nRemoving intermediate container 39692af0aaaf\n ---> 16f4672a0118\nSuccessfully built 16f4672a0118\nSuccessfully tagged changed-ubuntu:latest<\/pre>\n<p>\u30ec\u30a4\u30e4\u69cb\u6210\u3092\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ docker images\nREPOSITORY          TAG                 IMAGE ID            CREATED             SIZE\nchanged-ubuntu      latest              16f4672a0118        26 seconds ago      85.8MB\nubuntu              18.04               ea4c82dcd15a        4 weeks ago         85.8MB\n$ docker history changed-ubuntu:latest\nIMAGE               CREATED             CREATED BY                                      SIZE                COMMENT\n16f4672a0118        3 minutes ago       \/bin\/sh -c echo \"Hello world\" > \/tmp\/newfile    12B\nea4c82dcd15a        4 weeks ago         \/bin\/sh -c #(nop)  CMD [\"\/bin\/bash\"]            0B\n<missing>           4 weeks ago         \/bin\/sh -c mkdir -p \/run\/systemd && echo 'do\u2026   7B\n<missing>           4 weeks ago         \/bin\/sh -c rm -rf \/var\/lib\/apt\/lists\/*          0B\n<missing>           4 weeks ago         \/bin\/sh -c set -xe   && echo '#!\/bin\/sh' > \/\u2026   745B\n<missing>           4 weeks ago         \/bin\/sh -c #(nop) ADD file:bcd068f67af2788db\u2026   85.8MB<\/pre>\n<p>\u5148\u307b\u3069\u306e <code>ubuntu:18.04<\/code> \u306e\u4e0a\u306b\u300112 \u30d0\u30a4\u30c8\u306e\u65b0\u305f\u306a\u30ec\u30a4\u30e4 <code>16f4672a0118<\/code> \u304c\u91cd\u306a\u308a\u3001\u305d\u308c\u304c Dockerfile \u306b\u8a18\u8ff0\u3057\u305f <code>RUN<\/code> \u547d\u4ee4\u306e\u7d50\u679c\u3068\u3057\u3066\u4f5c\u6210\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001Docker \u30a4\u30e1\u30fc\u30b8\u306e\u30d3\u30eb\u30c9\u306f\u3001\u30d9\u30fc\u30b9\u3068\u3057\u3066\u5229\u7528\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u306e\u4e0a\u306b\u65b0\u305f\u306a\u30ec\u30a4\u30e4\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30a4\u30e1\u30fc\u30b8\u30ec\u30a4\u30e4\u306e\u3054\u307f\u30d5\u30a1\u30a4\u30eb\u554f\u984c<\/h2>\n<p>\u524d\u8ff0\u306e\u901a\u308a Docker \u30a4\u30e1\u30fc\u30b8\u306f\u3001Dockerfile \u306b\u8a18\u8ff0\u3055\u308c\u305f <code>RUN<\/code> \u3084 <code>ADD<\/code> \u547d\u4ee4\u306a\u3069\u3092\u5b9f\u884c\u3057\u305f\u7d50\u679c\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u4e0a\u306b\u52a0\u3048\u3089\u308c\u305f\u5909\u66f4\u3092\u30ec\u30a4\u30e4\u3068\u3057\u3066\u751f\u307f\u51fa\u3057\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u5fc5\u8981\u3068\u306a\u308b\u6700\u7d42\u6210\u679c\u7269\u3092\u751f\u6210\u3059\u308b\u9014\u4e2d\u3067\u751f\u307f\u51fa\u3055\u308c\u305f\u4e0d\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u304c\u30ec\u30a4\u30e4\u306b\u542b\u307e\u308c\u3066\u3001\u30ec\u30a4\u30e4\u306e\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u9a13\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>Ubuntu \u3067\u3001<code>apt-get install<\/code> \u3059\u308b\u524d\u306b <code>apt-get update<\/code> \u3059\u308b\u3053\u3068\u306f\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u4e0b\u306e\u4f8b\u3067\u306f <code>apt-get update<\/code> \u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u30ea\u30b9\u30c8\u306e\u66f4\u65b0\u3092\u884c\u3046\u3060\u3051\u306e Dockerfile \u3092\u4f5c\u6210\u3057\u3001\u30d3\u30eb\u30c9\u3057\u307e\u3059\u3002<\/p>\n<p>Dockerfile \u306e\u5185\u5bb9\u306f\u3053\u308c\u3067\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">FROM ubuntu:18.04\nRUN apt-get update<\/pre>\n<p>\u30d3\u30eb\u30c9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ docker build -t apt-get-update-1 .\nSending build context to Docker daemon  2.048kB\nStep 1\/2 : FROM ubuntu:18.04\n ---> ea4c82dcd15a\nStep 2\/2 : RUN apt-get update\n ---> Running in 09669f5d8084\nGet:1 http:\/\/security.ubuntu.com\/ubuntu bionic-security InRelease [83.2 kB]\nGet:2 http:\/\/archive.ubuntu.com\/ubuntu bionic InRelease [242 kB]\nGet:3 http:\/\/archive.ubuntu.com\/ubuntu bionic-updates InRelease [88.7 kB]\nGet:4 http:\/\/archive.ubuntu.com\/ubuntu bionic-backports InRelease [74.6 kB]\nGet:5 http:\/\/security.ubuntu.com\/ubuntu bionic-security\/main amd64 Packages [264 kB]\nGet:6 http:\/\/security.ubuntu.com\/ubuntu bionic-security\/multiverse amd64 Packages [1364 B]\nGet:7 http:\/\/archive.ubuntu.com\/ubuntu bionic\/multiverse amd64 Packages [186 kB]\nGet:8 http:\/\/security.ubuntu.com\/ubuntu bionic-security\/universe amd64 Packages [119 kB]\nGet:9 http:\/\/archive.ubuntu.com\/ubuntu bionic\/main amd64 Packages [1344 kB]\nGet:10 http:\/\/archive.ubuntu.com\/ubuntu bionic\/restricted amd64 Packages [13.5 kB]\nGet:11 http:\/\/archive.ubuntu.com\/ubuntu bionic\/universe amd64 Packages [11.3 MB]\nGet:12 http:\/\/archive.ubuntu.com\/ubuntu bionic-updates\/main amd64 Packages [574 kB]\nGet:13 http:\/\/archive.ubuntu.com\/ubuntu bionic-updates\/restricted amd64 Packages [10.7 kB]\nGet:14 http:\/\/archive.ubuntu.com\/ubuntu bionic-updates\/multiverse amd64 Packages [6138 B]\nGet:15 http:\/\/archive.ubuntu.com\/ubuntu bionic-updates\/universe amd64 Packages [734 kB]\nGet:16 http:\/\/archive.ubuntu.com\/ubuntu bionic-backports\/universe amd64 Packages [2975 B]\nFetched 15.1 MB in 22s (676 kB\/s)\nReading package lists...\nRemoving intermediate container 09669f5d8084\n ---> 397f83c03093\nSuccessfully built 397f83c03093\nSuccessfully tagged apt-get-update-1:latest<\/pre>\n<p>\u30ec\u30a4\u30e4\u306e\u4e2d\u8eab\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u30a4\u30e1\u30fc\u30b8\u3092 <code>docker save<\/code> \u30b3\u30de\u30f3\u30c9\u3067\u30a2\u30fc\u30ab\u30a4\u30d6\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ docker save apt-get-update-1:latest > apt-get-update-1.tar\n$ tar tvf apt-get-update-1.tar\n-rw-r--r-- 0\/0            3538 2018-11-23 06:31 397f83c03093d363c8d66d82c822e2437f5837c7a2ae10b3fb18ffe5749c177a.json\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/VERSION\n-rw-r--r-- 0\/0             469 2018-11-23 06:31 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/json\n-rw-r--r-- 0\/0           12288 2018-11-23 06:31 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/VERSION\n-rw-r--r-- 0\/0             469 2018-11-23 06:31 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/json\n-rw-r--r-- 0\/0           15872 2018-11-23 06:31 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 973e978733af8ff5895179246123d8d91e1b9c3f869492507aefa7d74f123c45\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 973e978733af8ff5895179246123d8d91e1b9c3f869492507aefa7d74f123c45\/VERSION\n-rw-r--r-- 0\/0             469 2018-11-23 06:31 973e978733af8ff5895179246123d8d91e1b9c3f869492507aefa7d74f123c45\/json\n-rw-r--r-- 0\/0            3072 2018-11-23 06:31 973e978733af8ff5895179246123d8d91e1b9c3f869492507aefa7d74f123c45\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/VERSION\n-rw-r--r-- 0\/0             393 2018-11-23 06:31 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/json\n-rw-r--r-- 0\/0        88324608 2018-11-23 06:31 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 e5edf37c02223247b8034c8d7b9f38d7cf2daf77e852f1199697bcf30c36b1a7\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 e5edf37c02223247b8034c8d7b9f38d7cf2daf77e852f1199697bcf30c36b1a7\/VERSION\n-rw-r--r-- 0\/0            1239 2018-11-23 06:31 e5edf37c02223247b8034c8d7b9f38d7cf2daf77e852f1199697bcf30c36b1a7\/json\n-rw-r--r-- 0\/0        23897088 2018-11-23 06:31 e5edf37c02223247b8034c8d7b9f38d7cf2daf77e852f1199697bcf30c36b1a7\/layer.tar\n-rw-r--r-- 0\/0             520 1970-01-01 09:00 manifest.json\n-rw-r--r-- 0\/0              99 1970-01-01 09:00 repositories<\/pre>\n<p><code>manifest.json<\/code> \u3068 <code>repositories<\/code> \u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u304c\u304a\u304b\u3057\u3044\u3067\u3059\u304c\u3001\u672c\u7b4b\u306b\u95a2\u4fc2\u306a\u3044\u306e\u3067\u7121\u8996\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u5404 <code>layer.tar<\/code> \u306e\u4e2d\u306b\u3001\u30ec\u30a4\u30e4\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d9\u30fc\u30b9\u3068\u306a\u3063\u305f <code>ubuntu:18.04<\/code> \u306e\u30a4\u30e1\u30fc\u30b8\u306b\u542b\u307e\u308c\u3066\u3044\u305f\u30ec\u30a4\u30e4\u3092\u9664\u304d\u3001\u65b0\u305f\u306b\u8ffd\u52a0\u3055\u308c\u305f\u306e\u306f\u3001<code>973e978733af<\/code>\u3001<code>e5edf37c0222<\/code> \u304b\u3089\u306f\u3058\u307e\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e <code>layer.jar<\/code> \u3067\u3059\u3002\u3053\u306e\u4e2d\u3067\u3001<code>RUN apt-get update<\/code> \u3067\u4f5c\u6210\u3055\u308c\u305f\u30ec\u30a4\u30e4\u306f\u3001<code>e5edf37c0222<\/code> \u3067\u306f\u3058\u307e\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e <code>layer.tar<\/code> \u3067\u3059\u3002\u4e2d\u8eab\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ tar xf apt-get-update-1.tar\n$ tar tvf e5edf37c02223247b8034c8d7b9f38d7cf2daf77e852f1199697bcf30c36b1a7\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-10-19 06:03 var\/\ndrwxr-xr-x 0\/0               0 2018-10-19 06:02 var\/lib\/\ndrwxr-xr-x 0\/0               0 2018-10-19 06:03 var\/lib\/apt\/\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/\n-rw-r--r-- 0\/0           74562 2018-11-23 05:50 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-backports_InRelease\n-rw-r--r-- 0\/0            4448 2018-09-21 19:00 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0           88722 2018-11-23 05:50 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-updates_InRelease\n-rw-r--r-- 0\/0          927751 2018-11-23 03:52 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-updates_main_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0            9329 2018-11-21 05:42 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-updates_multiverse_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0           16198 2018-11-11 09:59 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-updates_restricted_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0         1203693 2018-11-23 03:52 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-updates_universe_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0          242048 2018-04-27 08:38 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic_InRelease\n-rw-r--r-- 0\/0         2165377 2018-04-27 02:43 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic_main_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0          292075 2018-04-27 08:38 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic_multiverse_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0           20606 2018-04-24 19:41 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic_restricted_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0        18132054 2018-04-27 07:52 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic_universe_binary-amd64_Packages.lz4\ndrwxr-xr-x 100\/0             0 2018-11-23 06:31 var\/lib\/apt\/lists\/auxfiles\/\n-rw-r----- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/lock\ndrwx------ 100\/0             0 2018-11-23 06:31 var\/lib\/apt\/lists\/partial\/\n-rw-r--r-- 0\/0           83237 2018-11-23 05:50 var\/lib\/apt\/lists\/security.ubuntu.com_ubuntu_dists_bionic-security_InRelease\n-rw-r--r-- 0\/0          424814 2018-11-23 00:33 var\/lib\/apt\/lists\/security.ubuntu.com_ubuntu_dists_bionic-security_main_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0            1953 2018-11-21 04:59 var\/lib\/apt\/lists\/security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0          188231 2018-11-23 00:33 var\/lib\/apt\/lists\/security.ubuntu.com_ubuntu_dists_bionic-security_universe_binary-amd64_Packages.lz4<\/pre>\n<p>\u5f53\u305f\u308a\u524d\u306e\u8a71\u3067\u3059\u304c\u3001\u3053\u306e\u3088\u3046\u306b <code>apt-get upadte<\/code> \u30b3\u30de\u30f3\u30c9\u306b\u3088\u3063\u3066\u53d6\u5f97\u3057\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u30ea\u30b9\u30c8\u304c\u30ec\u30a4\u30e4\u306e\u4e2d\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u591a\u304f\u306e\u5834\u5408\u3001\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u30a4\u30e1\u30fc\u30b8\u30b5\u30a4\u30ba\u3092\u5927\u304d\u304f\u3057\u3066\u3044\u308b\u3060\u3051\u306e\u5b58\u5728\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u5b9f\u884c\u306b\u306f\u4e0d\u8981\u3067\u3059\u3002<\/p>\n<p>\u3067\u306f\u6b21\u306f\u3001\u3053\u306e\u4e0d\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u30ea\u30b9\u30c8\uff08\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\uff09\u3092\u524a\u9664\u3059\u308b <code>RUN<\/code> \u3092\u8ffd\u52a0\u3057\u305f Dockerfile \u3092\u7528\u610f\u3057\u3001\u30d3\u30eb\u30c9\u3057\u3066\u4e2d\u8eab\u3092\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">FROM ubuntu:18.04\nRUN apt-get update\nRUN apt-get clean && rm -rf \/var\/lib\/apt\/lists\/*<\/pre>\n<p>\u30d3\u30eb\u30c9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ docker build -t apt-get-update-2 .\nSending build context to Docker daemon  2.048kB\nStep 1\/3 : FROM ubuntu:18.04\n ---> ea4c82dcd15a\nStep 2\/3 : RUN apt-get update\n ---> Using cache\n ---> 397f83c03093\nStep 3\/3 : RUN apt-get clean && rm -rf \/var\/lib\/apt\/lists\/*\n ---> Running in 34a90f9e57e4\nRemoving intermediate container 34a90f9e57e4\n ---> 28d865d3491d\nSuccessfully built 28d865d3491d\nSuccessfully tagged apt-get-update-2:latest<\/pre>\n<p>\u4f59\u8ac7\u3067\u3059\u304c Step 2\/3 \u3092\u898b\u308b\u3068\u3001\u5148\u307b\u3069\u4f5c\u6210\u3057\u305f <code>apt-get-update-1:latest<\/code> \u304c\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30fc\u30ab\u30a4\u30d6\u3057\u3066\u4e2d\u8eab\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ docker save apt-get-update-2:latest > apt-get-update-2.tar\n$ tar tvf apt-get-update-2.tar\n-rw-r--r-- 0\/0            3778 2018-11-23 06:31 28d865d3491d0845cf54cf183e6520083b2d5fc63581180f8cd3ee88582c9ace.json\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/VERSION\n-rw-r--r-- 0\/0             469 2018-11-23 06:31 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/json\n-rw-r--r-- 0\/0           12288 2018-11-23 06:31 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/VERSION\n-rw-r--r-- 0\/0             469 2018-11-23 06:31 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/json\n-rw-r--r-- 0\/0           15872 2018-11-23 06:31 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 973e978733af8ff5895179246123d8d91e1b9c3f869492507aefa7d74f123c45\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 973e978733af8ff5895179246123d8d91e1b9c3f869492507aefa7d74f123c45\/VERSION\n-rw-r--r-- 0\/0             469 2018-11-23 06:31 973e978733af8ff5895179246123d8d91e1b9c3f869492507aefa7d74f123c45\/json\n-rw-r--r-- 0\/0            3072 2018-11-23 06:31 973e978733af8ff5895179246123d8d91e1b9c3f869492507aefa7d74f123c45\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 cb7480f242bce4996f5a6aa5f204038c6be507a7074e5cea2afd89d60fb6292d\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 cb7480f242bce4996f5a6aa5f204038c6be507a7074e5cea2afd89d60fb6292d\/VERSION\n-rw-r--r-- 0\/0            1279 2018-11-23 06:31 cb7480f242bce4996f5a6aa5f204038c6be507a7074e5cea2afd89d60fb6292d\/json\n-rw-r--r-- 0\/0           19968 2018-11-23 06:31 cb7480f242bce4996f5a6aa5f204038c6be507a7074e5cea2afd89d60fb6292d\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/VERSION\n-rw-r--r-- 0\/0             393 2018-11-23 06:31 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/json\n-rw-r--r-- 0\/0        88324608 2018-11-23 06:31 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 f2bc08b32ca8232fb47f71bcbe95ebce147ffa05f77c1ac7caef7e35243c3ead\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:31 f2bc08b32ca8232fb47f71bcbe95ebce147ffa05f77c1ac7caef7e35243c3ead\/VERSION\n-rw-r--r-- 0\/0             469 2018-11-23 06:31 f2bc08b32ca8232fb47f71bcbe95ebce147ffa05f77c1ac7caef7e35243c3ead\/json\n-rw-r--r-- 0\/0        23897088 2018-11-23 06:31 f2bc08b32ca8232fb47f71bcbe95ebce147ffa05f77c1ac7caef7e35243c3ead\/layer.tar\n-rw-r--r-- 0\/0             597 1970-01-01 09:00 manifest.json\n-rw-r--r-- 0\/0              99 1970-01-01 09:00 repositories<\/pre>\n<p>\u30d9\u30fc\u30b9\u3068\u306a\u3063\u305f <code>ubuntu:18.04<\/code> \u306e\u30a4\u30e1\u30fc\u30b8\u306b\u542b\u307e\u308c\u3066\u3044\u305f\u30ec\u30a4\u30e4\u3092\u9664\u304d\u3001\u65b0\u305f\u306b\u8ffd\u52a0\u3055\u308c\u305f\u306e\u306f\u3001<code>973e978733af<\/code>\u3001<code>cb7480f242bc<\/code>\u3001<code>f2bc08b32ca8<\/code> \u304b\u3089\u306f\u3058\u307e\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u3059\u3002<\/p>\n<p><code>f2bc08b32ca8<\/code> \u306e <code>layer.jar<\/code> \u3092\u898b\u308b\u3068\u3001\u5148\u307b\u3069\u3068\u540c\u3058\u3088\u3046\u306b <code>apt-get upadte<\/code> \u30b3\u30de\u30f3\u30c9\u306b\u3088\u3063\u3066\u53d6\u5f97\u3057\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u30ea\u30b9\u30c8\u304c\u542b\u307e\u308c\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ tar xf apt-get-update-2.tar\n$ tar tvf f2bc08b32ca8232fb47f71bcbe95ebce147ffa05f77c1ac7caef7e35243c3ead\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-10-19 06:03 var\/\ndrwxr-xr-x 0\/0               0 2018-10-19 06:02 var\/lib\/\ndrwxr-xr-x 0\/0               0 2018-10-19 06:03 var\/lib\/apt\/\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/\n-rw-r--r-- 0\/0           74562 2018-11-23 05:50 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-backports_InRelease\n-rw-r--r-- 0\/0            4448 2018-09-21 19:00 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0           88722 2018-11-23 05:50 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-updates_InRelease\n-rw-r--r-- 0\/0          927751 2018-11-23 03:52 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-updates_main_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0            9329 2018-11-21 05:42 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-updates_multiverse_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0           16198 2018-11-11 09:59 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-updates_restricted_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0         1203693 2018-11-23 03:52 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic-updates_universe_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0          242048 2018-04-27 08:38 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic_InRelease\n-rw-r--r-- 0\/0         2165377 2018-04-27 02:43 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic_main_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0          292075 2018-04-27 08:38 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic_multiverse_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0           20606 2018-04-24 19:41 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic_restricted_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0        18132054 2018-04-27 07:52 var\/lib\/apt\/lists\/archive.ubuntu.com_ubuntu_dists_bionic_universe_binary-amd64_Packages.lz4\ndrwxr-xr-x 100\/0             0 2018-11-23 06:31 var\/lib\/apt\/lists\/auxfiles\/\n-rw-r----- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/lock\ndrwx------ 100\/0             0 2018-11-23 06:31 var\/lib\/apt\/lists\/partial\/\n-rw-r--r-- 0\/0           83237 2018-11-23 05:50 var\/lib\/apt\/lists\/security.ubuntu.com_ubuntu_dists_bionic-security_InRelease\n-rw-r--r-- 0\/0          424814 2018-11-23 00:33 var\/lib\/apt\/lists\/security.ubuntu.com_ubuntu_dists_bionic-security_main_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0            1953 2018-11-21 04:59 var\/lib\/apt\/lists\/security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_binary-amd64_Packages.lz4\n-rw-r--r-- 0\/0          188231 2018-11-23 00:33 var\/lib\/apt\/lists\/security.ubuntu.com_ubuntu_dists_bionic-security_universe_binary-amd64_Packages.lz4<\/pre>\n<p>\u300c\u524a\u9664\u3055\u308c\u3066\u306a\u3044\u3058\u3083\u306a\u3044\u304b\u300d\u3068\u601d\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001<code>cb7480f242bc<\/code> \u306e <code>layer.jar<\/code> \u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ tar tvf cb7480f242bce4996f5a6aa5f204038c6be507a7074e5cea2afd89d60fb6292d\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-10-19 06:03 var\/\ndrwxr-xr-x 0\/0               0 2018-10-19 06:02 var\/lib\/\ndrwxr-xr-x 0\/0               0 2018-10-19 06:03 var\/lib\/apt\/\ndrwxr-xr-x 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic-backports_InRelease\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic-backports_universe_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic-updates_InRelease\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic-updates_main_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic-updates_multiverse_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic-updates_restricted_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic-updates_universe_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic_InRelease\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic_main_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic_multiverse_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic_restricted_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.archive.ubuntu.com_ubuntu_dists_bionic_universe_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.auxfiles\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.lock\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.partial\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.security.ubuntu.com_ubuntu_dists_bionic-security_InRelease\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.security.ubuntu.com_ubuntu_dists_bionic-security_main_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.security.ubuntu.com_ubuntu_dists_bionic-security_multiverse_binary-amd64_Packages.lz4\n---------- 0\/0               0 2018-11-23 06:31 var\/lib\/apt\/lists\/.wh.security.ubuntu.com_ubuntu_dists_bionic-security_universe_binary-amd64_Packages.lz4<\/pre>\n<p><code>.wh.<\/code> \u3092\u30d7\u30ec\u30d5\u30a3\u30af\u30b9\u3068\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u30ea\u30b9\u30c8\u304c\u30b5\u30a4\u30ba 0 \u3067\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u304c<strong>\u30db\u30ef\u30a4\u30c8\u30a2\u30a6\u30c8\u30d5\u30a1\u30a4\u30eb<\/strong>\u3068\u547c\u3070\u308c\u308b\u3001\u524a\u9664\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u30ea\u30b9\u30c8\u3067\u3059\u3002\u3053\u306e\u30ec\u30a4\u30e4\u3092\u91cd\u306d\u308b\u3053\u3068\u3067\u3001\u4e0b\u5c64\u30ec\u30a4\u30e4\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3057\u305f\u3053\u3068\u306b\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u3053\u308c\u3067\u306f\u4f59\u5206\u306b\u30ec\u30a4\u30e4\u304c\u5897\u3048\u305f\u3060\u3051\u3067\u3001\u5168\u4f53\u3068\u3057\u3066\u306e\u30a4\u30e1\u30fc\u30b8\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u6b21\u306f <code>RUN<\/code> \u547d\u4ee4\u4e00\u884c\u3067 Dockerfile \u3092\u66f8\u3044\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">FROM ubuntu:18.04\nRUN apt-get update && apt-get clean && rm -rf \/var\/lib\/apt\/lists\/*<\/pre>\n<p>\u30d3\u30eb\u30c9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ docker build -t apt-get-update-3 .\nSending build context to Docker daemon  2.048kB\nStep 1\/2 : FROM ubuntu:18.04\n ---> ea4c82dcd15a\nStep 2\/2 : RUN apt-get update && apt-get clean && rm -rf \/var\/lib\/apt\/lists\/*\n ---> Running in 2f45bfcc3736\nGet:1 http:\/\/security.ubuntu.com\/ubuntu bionic-security InRelease [83.2 kB]\nGet:2 http:\/\/archive.ubuntu.com\/ubuntu bionic InRelease [242 kB]\nGet:3 http:\/\/security.ubuntu.com\/ubuntu bionic-security\/universe amd64 Packages [119 kB]\nGet:4 http:\/\/archive.ubuntu.com\/ubuntu bionic-updates InRelease [88.7 kB]\nGet:5 http:\/\/archive.ubuntu.com\/ubuntu bionic-backports InRelease [74.6 kB]\nGet:6 http:\/\/security.ubuntu.com\/ubuntu bionic-security\/main amd64 Packages [264 kB]\nGet:7 http:\/\/security.ubuntu.com\/ubuntu bionic-security\/multiverse amd64 Packages [1364 B]\nGet:8 http:\/\/archive.ubuntu.com\/ubuntu bionic\/multiverse amd64 Packages [186 kB]\nGet:9 http:\/\/archive.ubuntu.com\/ubuntu bionic\/restricted amd64 Packages [13.5 kB]\nGet:10 http:\/\/archive.ubuntu.com\/ubuntu bionic\/universe amd64 Packages [11.3 MB]\nGet:11 http:\/\/archive.ubuntu.com\/ubuntu bionic\/main amd64 Packages [1344 kB]\nGet:12 http:\/\/archive.ubuntu.com\/ubuntu bionic-updates\/universe amd64 Packages [734 kB]\nGet:13 http:\/\/archive.ubuntu.com\/ubuntu bionic-updates\/restricted amd64 Packages [10.7 kB]\nGet:14 http:\/\/archive.ubuntu.com\/ubuntu bionic-updates\/main amd64 Packages [574 kB]\nGet:15 http:\/\/archive.ubuntu.com\/ubuntu bionic-updates\/multiverse amd64 Packages [6138 B]\nGet:16 http:\/\/archive.ubuntu.com\/ubuntu bionic-backports\/universe amd64 Packages [2975 B]\nFetched 15.1 MB in 23s (647 kB\/s)\nReading package lists...\nRemoving intermediate container 2f45bfcc3736\n ---> 2f98a3bdc5eb\nSuccessfully built 2f98a3bdc5eb\nSuccessfully tagged apt-get-update-3:latest<\/pre>\n<p>\u30a2\u30fc\u30ab\u30a4\u30d6\u3057\u3066\u3001\u5185\u5bb9\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ docker save apt-get-update-3:latest > apt-get-update-3.tar\n$ tar tvf apt-get-update-3.tar\n-rw-r--r-- 0\/0            3619 2018-11-23 06:33 2f98a3bdc5eb40882c29040a4b1d824c8f300ec12803e0c975055c0d2c2cc8da.json\ndrwxr-xr-x 0\/0               0 2018-11-23 06:33 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:33 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/VERSION\n-rw-r--r-- 0\/0             469 2018-11-23 06:33 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/json\n-rw-r--r-- 0\/0           12288 2018-11-23 06:33 4d261ce96493c446d20af968a8415279ab8e46658e717d79cb9299bb211f5aee\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:33 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:33 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/VERSION\n-rw-r--r-- 0\/0             469 2018-11-23 06:33 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/json\n-rw-r--r-- 0\/0           15872 2018-11-23 06:33 7b55d5fa32646ca928da35300c6a43b82633909610b4114b95e22dd4bb72f82e\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:33 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:33 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/VERSION\n-rw-r--r-- 0\/0             393 2018-11-23 06:33 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/json\n-rw-r--r-- 0\/0        88324608 2018-11-23 06:33 d03f81680b031705cd4976ebb35c175b1cad44a74040a7d0c4c77c558354d988\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-11-23 06:33 df0a6127ae8b4a84f4ef649835fe0b0b0382ba0ef1e8a44b3334c806aaf0bddd\/\n-rw-r--r-- 0\/0               3 2018-11-23 06:33 df0a6127ae8b4a84f4ef649835fe0b0b0382ba0ef1e8a44b3334c806aaf0bddd\/VERSION\n-rw-r--r-- 0\/0            1307 2018-11-23 06:33 df0a6127ae8b4a84f4ef649835fe0b0b0382ba0ef1e8a44b3334c806aaf0bddd\/json\n-rw-r--r-- 0\/0            3072 2018-11-23 06:33 df0a6127ae8b4a84f4ef649835fe0b0b0382ba0ef1e8a44b3334c806aaf0bddd\/layer.tar\n-rw-r--r-- 0\/0             443 1970-01-01 09:00 manifest.json\n-rw-r--r-- 0\/0              99 1970-01-01 09:00 repositories<\/pre>\n<p>\u65b0\u305f\u306b\u8ffd\u52a0\u3055\u308c\u305f\u306e\u306f\u3001<code>df0a6127ae8b<\/code> \u304b\u3089\u59cb\u307e\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u307f\u3067\u3059\u304c\u3001\u3053\u306e\u4e2d\u306e <code>layer.jar<\/code> \u306b\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u30ea\u30b9\u30c8\u306f\u5165\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">$ tar tvf df0a6127ae8b4a84f4ef649835fe0b0b0382ba0ef1e8a44b3334c806aaf0bddd\/layer.tar\ndrwxr-xr-x 0\/0               0 2018-10-19 09:47 run\/\ndrwxr-xr-x 0\/0               0 2018-10-19 09:47 run\/systemd\/\n-rw-r--r-- 0\/0               7 2018-10-19 09:47 run\/systemd\/container<\/pre>\n<p>\u4eca\u56de\u306f\u3001\u671f\u5f85\u901a\u308a\u3054\u307f\u30d5\u30a1\u30a4\u30eb\u304c\u30ec\u30a4\u30e4\u3054\u3068\u6d88\u3048\u3066\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002Docker \u30a4\u30e1\u30fc\u30b8\u306e\u30d3\u30eb\u30c9\u3067\u306f\u3001\u3054\u307f\u30d5\u30a1\u30a4\u30eb\u304c\u6b8b\u3089\u306a\u3044\u3088\u3046\u3001\u5e38\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u306d\u3002<\/p>\n<h2>\u30a4\u30e1\u30fc\u30b8\u30ec\u30a4\u30e4\u306e\u30b4\u30df\u30d5\u30a1\u30a4\u30eb\u554f\u984c \u305d\u306e 2 \uff08\u30de\u30eb\u30c1\u30b9\u30c6\u30fc\u30b8\u30d3\u30eb\u30c9\uff09<\/h2>\n<p>\u5148\u307b\u3069\u306e <code>apt-get update<\/code> \u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u306f\u3001<code>&amp;&amp;<\/code> \u3067\u30b3\u30de\u30f3\u30c9\u3092\u3064\u306a\u3050\u3060\u3051\u3067\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u304c\u3001<code>&amp;&amp;<\/code> \u3067\u5bfe\u5fdc\u3059\u308b\u306b\u306f\u8907\u96d1\u306b\u306a\u308a\u3059\u304e\u308b\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3082\u3042\u308a\u5f97\u307e\u3059\u3002\u4ee5\u524d\u306f<strong>\u30d3\u30eb\u30c0\u30fc\u30d1\u30bf\u30fc\u30f3<\/strong>\u3092\u4f7f\u3063\u305f\u3001\u5c11\u3057\u9762\u5012\u306a\u65b9\u6cd5\u3067\u56de\u907f\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001Docker 17.05 \u4ee5\u964d\u3067\u306f\u3001<strong>\u30de\u30eb\u30c1\u30b9\u30c6\u30fc\u30b8\u30d3\u30eb\u30c9<\/strong>\u3067\u5bfe\u5fdc\u3067\u304d\u307e\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u30de\u30eb\u30c1\u30b9\u30c6\u30fc\u30b8\u30d3\u30eb\u30c9\u3067\u306f\u3001\u3072\u3068\u3064\u306e Dockerfile \u5185\u3067\u3001\u8907\u6570\u306e <code>FROM<\/code> \u547d\u4ee4\u304c\u4f7f\u3048\u307e\u3059\u3002\u3053\u308c\u304c\u30de\u30eb\u30c1\u30b9\u30c6\u30fc\u30b8\u3068\u547c\u3070\u308c\u308b\u7406\u7531\u3067\u3059\u3002<\/p>\n<p>\u5404\u30b9\u30c6\u30fc\u30b8\u3067\u306f\u3001\u524d\u306e\u30b9\u30c6\u30fc\u30b8\u3067\u30d3\u30eb\u30c9\u3055\u308c\u305f\u6210\u679c\u7269\u3092\u53c2\u7167\u3067\u304d\u3001\u6700\u7d42\u30b9\u30c6\u30fc\u30b8\u306e\u307f\u304c\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u4f8b\u306f\u3001<a href=\"https:\/\/docs.docker.com\/develop\/develop-images\/multistage-build\/#name-your-build-stages\">docker \u30e6\u30fc\u30b6\u30fc\u30ac\u30a4\u30c9\u304b\u3089\u306e\u5f15\u7528<\/a>\u3067\u3059\u3002<\/p>\n<pre class=\"theme:twilight lang:sh decode:true \">FROM golang:1.7.3 as builder\nWORKDIR \/go\/src\/github.com\/alexellis\/href-counter\/\nRUN go get -d -v golang.org\/x\/net\/html  \nCOPY app.go    .\nRUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .\n\nFROM alpine:latest  \nRUN apk --no-cache add ca-certificates\nWORKDIR \/root\/\nCOPY --from=builder \/go\/src\/github.com\/alexellis\/href-counter\/app .\nCMD [\".\/app\"]<\/pre>\n<p>\u3072\u3068\u3064\u3081\u306e\u30b9\u30c6\u30fc\u30b8\u306f\u3001<code>FROM<\/code> \u547d\u4ee4\u306b <code>builder<\/code> \u3068\u3044\u3046\u540d\u524d\u304c\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u3092\u3075\u305f\u3064\u3081\u306e\u30b9\u30c6\u30fc\u30b8\u306e <code>COPY<\/code> \u547d\u4ee4\u306e <code>--from=builder<\/code> \u3067\u53c2\u7167\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3072\u3068\u3064\u3081\u306e\u30b9\u30c6\u30fc\u30b8\u306e\u6210\u679c\u7269\u3067\u3042\u308b <code>app<\/code> \u3092\u3001\u3075\u305f\u3064\u3081\u306e\u30b9\u30c6\u30fc\u30b8\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u3001\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u307f\u3092\u30a4\u30e1\u30fc\u30b8\u5185\u306b\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n<h2>\u6700\u5f8c\u306b<\/h2>\n<p>Docker \u306b\u95a2\u3059\u308b\u30d6\u30ed\u30b0\u30cd\u30bf\u306b\u3064\u3044\u3066\u306f\u3001\u4ed6\u306b\u3082\u66f8\u304d\u305f\u3044\u3053\u3068\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3057\u305f\u3002\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u30db\u30b9\u30c8 OS \u3068\u306f\u7570\u306a\u308b OS \u3092\u3069\u306e\u3088\u3046\u306b\u52d5\u304b\u3057\u3066\u3044\u308b\u306e\u304b\u3082\u3001\u305d\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u6a5f\u4f1a\u304c\u3042\u308c\u3070\u66f8\u3044\u3066\u307f\u3088\u3046\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u3046\u601d\u3063\u3066\u66f8\u3044\u305f\u3053\u3068\u304c\u306a\u3044\u306e\u304c\u73fe\u5b9f\u3067\u3059\u3002\u308f\u308c\u306a\u304c\u3089\u79fb\u308a\u6c17\u306a\u3082\u306e\u3067\u3059\u2026\u2026\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001Synergy! \u958b\u767a\u30c1\u30fc\u30e0\u306e\u677e\u672c\u3067\u3059\u3002\u3053\u308c\u306f TECHSCORE Advent Calendar 2018 \u306e 10 \u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<br \/><a href=\"https:\/\/www.techscore.com\/blog\/2018\/12\/10\/docker-images-and-layers\/\">\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[308,18],"tags":[141,137],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/18926"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=18926"}],"version-history":[{"count":41,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/18926\/revisions"}],"predecessor-version":[{"id":20651,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/18926\/revisions\/20651"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=18926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=18926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=18926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}