{"id":46000,"date":"2021-11-10T11:00:30","date_gmt":"2021-11-10T02:00:30","guid":{"rendered":"https:\/\/www.creationline.com\/?p=46000"},"modified":"2023-08-29T15:20:39","modified_gmt":"2023-08-29T06:20:39","slug":"docker%e3%82%92%e4%bd%bf%e3%82%8f%e3%81%9a%e3%81%ab%e3%82%b3%e3%83%b3%e3%83%86%e3%83%8a%e3%82%a4%e3%83%a1%e3%83%bc%e3%82%b8%e3%82%92%e4%bd%9c%e6%88%90%e3%81%99%e3%82%8b%e3%80%8cimg%e3%80%8d%e3%82%92","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/docker\/46000","title":{"rendered":"Docker\u3092\u4f7f\u308f\u305a\u306b\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b\u300cimg\u300d\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046 #docker #img #oci #containerd"},"content":{"rendered":"

2015\u5e746\u6708\u958b\u50ac\u306eDockerCon 2015<\/a>\u306b\u3066\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u6a19\u6e96\u898f\u683c\u3092\u5236\u5b9a\u3059\u308b\u305f\u3081\u306eOpen Container Project (\u73fe\u5728\u306eOpen Container Initiative<\/a>, \u7565\u79f0OCI)\u306e\u8a2d\u7acb\u304c\u767a\u8868\u3055\u308c\u3001runC<\/a>\u306e\u516c\u958b\u3092\u76ae\u5207\u308a\u306b\u3001\u30b3\u30f3\u30c6\u30ca\u306b\u95a2\u308f\u308b\u3055\u307e\u3056\u307e\u306a\u6a19\u6e96\u4ed5\u69d8<\/a>\u304c\u5236\u5b9a\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002\u300c\u30b3\u30f3\u30c6\u30ca\u300d\u3068\u8a00\u3048\u3070\u7279\u306bDocker\u305d\u306e\u3082\u306e\u3084\u95a2\u9023\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30fb\u6280\u8853\u3092\u6307\u3057\u3066\u3044\u305f\u5f53\u6642\u304b\u3089\u6642\u4ee3\u306f\u6d41\u308c\u3001\u3053\u306eOCI\u6a19\u6e96\u4ed5\u69d8\u306b\u6cbf\u3063\u305f\u30b3\u30f3\u30c6\u30ca\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u591a\u304f\u767a\u8868\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\u672c\u7a3f\u3067\u306f\u3001Docker\u3092\u307e\u3063\u305f\u304f\u4f7f\u308f\u305a\u306bOCI\u6a19\u6e96\u4ed5\u69d8\u306b\u6e96\u62e0\u3057\u305f\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b\u300cimg<\/a>\u300d\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

BuildKit\u3068\u306f<\/h2>\n

\u672c\u984c\u306b\u5165\u308b\u524d\u306b\u3001\u307e\u305aBuildKit<\/a>\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002BuildKit\u3068\u306f\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u30a4\u30e1\u30fc\u30b8\u30d3\u30eb\u30c0\u30fc\u3067\u3042\u308bdocker image build<\/a> (\u307e\u305f\u306fdocker build<\/a>)\u3092\u7f6e\u304d\u63db\u3048\u308b\u305f\u3081\u306b\u958b\u767a\u3055\u308c\u3001Docker Engine 18.09<\/a>\u304b\u3089\u5229\u7528\u53ef\u80fd\u3068\u306a\u3063\u305f\u30a4\u30e1\u30fc\u30b8\u30d3\u30eb\u30c0\u30fc\u3067\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u7121\u52b9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u74b0\u5883\u5909\u6570 DOCKER_BUILDKIT=1 \u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u6709\u52b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

\n$ export DOCKER_BUILDKIT=1\n$ docker image build ...\n<\/pre>\n
BuildKit\u306fDocker Engine\u56fa\u6709\u306e\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8\u3068\u3057\u3066\u591a\u304f\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304b\u3089\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u7a3f\u3067\u53d6\u308a\u4e0a\u3052\u308b\u300cimg\u300d\u3082BuildKit\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u30a4\u30e1\u30fc\u30b8\u30d3\u30eb\u30c0\u30fc\u306e1\u3064\u3067\u3059\u3002<\/p>\n
img\u3068\u306f<\/h2>\n
img<\/a>\u306fBuildKit\u3092\u5229\u7528\u3057\u305f\u3001\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30fc\u30f3\u3067\u30c7\u30fc\u30e2\u30f3\u30ec\u30b9(\u8a00\u3044\u63db\u3048\u308b\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30fb\u30b5\u30fc\u30d0\u578b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306f\u306a\u3044)\u3001\u975e\u7279\u6a29\u30e6\u30fc\u30b6\u3067\u5b9f\u884c\u3067\u304d\u3001Dockerfile\u3092\u5229\u7528\u3067\u304d\u3001OCI\u4ed5\u69d8\u306b\u6e96\u62e0\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u30d3\u30eb\u30c0\u30fc\u3067\u3059\uff08\u540d\u524d\u306e\u691c\u7d22\u6027\u304c\u975e\u5e38\u306b\u975e\u5e38\u306b\u60aa\u3044\u3053\u3068\u304c\u7389\u306b\u7455\u3067\u3059\u304c\u2026\uff09\u3002docker\u30b3\u30de\u30f3\u30c9\u3092img\u30b3\u30de\u30f3\u30c9\u306b\u7f6e\u304d\u63db\u3048\u308b\u3060\u3051\u3067\u3001\u30a4\u30e1\u30fc\u30b8\u306e\u30d3\u30eb\u30c9\u3084\u30ec\u30b8\u30b9\u30c8\u30ea\u3078\u306e\u30d7\u30c3\u30b7\u30e5\u30fb\u30d7\u30eb\u3092\u305d\u306e\u307e\u307e\u884c\u3048\u308b\u3053\u3068\u304c\u5229\u70b9\u3067\u3059\u3002img\u3067\u30d3\u30eb\u30c9\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u306fOCI\u4ed5\u69d8\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u305f\u3081\u3001OCI\u4ed5\u69d8\u306e\u5143\u306b\u306a\u3063\u305fDocker\u306f\u3082\u3061\u308d\u3093\u306e\u3053\u3068\u3001OCI\u4ed5\u69d8\u306b\u6e96\u62e0\u3057\u305f\u5404\u7a2e\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u305d\u308c\u3067\u306f\u3001\u65e9\u901f img \u3092\u4f7f\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u524d\u8ff0\u306e\u901a\u308a img \u306f BuildKit \u3092\u5229\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u65e2\u5b58\u306e\u8cc7\u7523\u3067\u3042\u308b Dockerfile \u3092\u5909\u66f4\u306a\u3057\u3067\u305d\u306e\u307e\u307e\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u8a73\u7d30\u3092\u8a18\u8f09\u3057\u307e\u305b\u3093\u304c\u3001OmegaT<\/a>\u3092\u30b3\u30f3\u30c6\u30ca\u5316\u3059\u308b\u305f\u3081\u306e Dockerfile \u3092\u4f8b\u3068\u3057\u3066\u5229\u7528\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
Debian\u3067\u8a66\u3059<\/h2>\n
\u672c\u8a18\u4e8b\u57f7\u7b46\u6642\u70b9\u3067\u6700\u65b0\u7248\u306eimg v0.5.11<\/a>\u3092\u3001\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306eInstallation<\/a>\u3092\u53c2\u8003\u306b\u3001\u672c\u8a18\u4e8b\u57f7\u7b46\u6642\u70b9\u3067\u6700\u65b0\u958b\u767a\u7248\u306eDebian<\/a>\u306b\u3066\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
\u30ea\u30ea\u30fc\u30b9\u30da\u30fc\u30b8<\/a>\u306b\u3042\u308b\u624b\u9806\u3092\u53c2\u8003\u306b\u3001img\u30d0\u30a4\u30ca\u30ea\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n
\n$ export IMG_SHA256="cc9bf08794353ef57b400d32cd1065765253166b0a09fba360d927cfbd158088"\n$ sudo curl -fSL "https:\/\/github.com\/genuinetools\/img\/releases\/download\/v0.5.11\/img-linux-amd64" -o "\/usr\/local\/bin\/img" \\\n&& echo "${IMG_SHA256} \/usr\/local\/bin\/img" | sha256sum -c - \\\n&& sudo chmod a+x "\/usr\/local\/bin\/img"\n\/usr\/local\/bin\/img: \u5b8c\u4e86\n<\/pre>\n
\u3053\u3053\u3067\u7126\u3063\u3066 img \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3059\u304c\u3001docker image build \u30b3\u30de\u30f3\u30c9\u3068\u540c\u3058\u3088\u3046\u306b img build \u30b3\u30de\u30f3\u30c9\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n
\n% img build -t omegat-console-translator:img-0.5.11 .\nFATA[0000] newuidmap not found (install uidmap package?): exec: "newuidmap": executable file not found in $PATH\n<\/pre>\n
\u3053\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3068 Installation<\/a> \u306b\u3082\u3042\u308b\u901a\u308a\u3001uidmap\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u5165\u3063\u3066\u3044\u308bnewuidmap\u30b3\u30de\u30f3\u30c9\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u3001Debian\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u3067\u3042\u308bapt\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002uidmap\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u3089\u518d\u5ea6 img \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
\n% img build -t omegat-console-translator:img-0.5.11 .\nnewuidmap: write to uid_map failed: Invalid argument\nnsenter: failed to use newuidmap: Success\nnsenter: failed to sync with parent: SYNC_USERMAP_ACK: got 255: Success\n<\/pre>\n
\u307e\u305f\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306e\u5bfe\u51e6\u65b9\u6cd5\u306f\u5c11\u3005\u308f\u304b\u308a\u3065\u3089\u3044\u306e\u3067\u3059\u304c\u3001\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8Unprivileged Mounting<\/a>\u3068\u30a4\u30b7\u30e5\u30fc\u30c8\u30e9\u30c3\u30ab\u30fcimg build: newuidmap: write to uid_map failed: Invalid argument<\/a>\u306b\u8a18\u8f09\u304c\u3042\u308a\u307e\u3059\u3002img \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u30e6\u30fc\u30b6\u306eUID\u3068GID\u304c\u305d\u308c\u305e\u308c \/etc\/subuid \u3068 \/etc\/subgid \u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u3068\u3044\u3051\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u76f4\u63a5\u5909\u66f4\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001usermod \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u5909\u66f4\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f img \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u30e6\u30fc\u30b6\u304c guest \u3068\u3044\u3046\u540d\u524d\u306e\u5834\u5408\u3067\u3059\u3002<\/p>\n
\n% sudo usermod -v 200000-265535 -w 200000-265535 guest\n% grep guest \/etc\/sub?id\n\/etc\/subgid:guest:200000:65536\n\/etc\/subuid:guest:200000:65536\n<\/pre>\n
\u3053\u308c\u3067\u3088\u3046\u3084\u304f img \u30b3\u30de\u30f3\u30c9\u304c\u52d5\u304f\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
\n% img build -t omegat-console-translator:img-0.5.11 .\nBuilding docker.io\/library\/omegat-console-translator:img-0.5.11\nSetting up the rootfs... this may take a bit.\nWARN[0000] using host network as the default\n[+] Building 19.5s (6\/10)\n=> [internal] load .dockerignore 0.8s\n=> => transferring context: 75B 0.0s\n=> [internal] load build definition from Dockerfile 1.0s\n=> => transferring dockerfile: 503B 0.0s\n=> [internal] load metadata for docker.io\/library\/debian:buster 4.1s\n=> [1\/6] FROM docker.io\/library\/debian:buster@sha256:f9182ead292f45165f4 9.2s\n=> => resolve docker.io\/library\/debian:buster@sha256:f9182ead292f45165f4 0.0s\n=> => sha256:f9182ead292f45165f4a851e5ff98ea0800e172cced 1.85kB \/ 1.85kB 0.0s\n=> => sha256:2f4b2c4b44ec6d9f4afc9578d8475f7272dc50783268dc6 529B \/ 529B 0.0s\n=> => sha256:2b6f409b1d24285cbae8f2c6baa6969741151bed561 1.46kB \/ 1.46kB 0.0s\n=> => sha256:07471e81507f7cf1100827f10c60c3c0422d12224 50.44MB \/ 50.44MB 3.1s\n=> => unpacking docker.io\/library\/debian:buster@sha256:f9182ead292f45165 5.0s\n=> [internal] load build context 3.0s\n=> => transferring context: 143.75MB 2.5s\n=> ERROR [2\/6] RUN apt-get update && apt-get install -y --no-install-re 5.0s\n\u2212\u2212\u2212\u2212\u2212\u2212\n\uff1e [2\/6] RUN apt-get update && apt-get install -y --no-install-recommends openjdk-11-jre-headless locales:\n\uff035 0.386 mkdir \/run\/runc: permission denied\n\u2212\u2212\u2212\u2212\u2212\u2212\nError: failed to solve: executor failed running [\/bin\/sh -c apt-get update && apt-get install -y --no-install-recommends openjdk-11-jre-headless locales]: runc did not terminate successfully\n<\/pre>\n
img \u30b3\u30de\u30f3\u30c9\u306f\u52d5\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u30d3\u30eb\u30c9\u9014\u4e2d\u3067\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n
mkdir \/run\/runc: permission denied<\/p><\/blockquote>\n
\u3068\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u30db\u30b9\u30c8\u5074\u3067\u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
\n% sudo mkdir \/run\/runc\n<\/pre>\n
\u3057\u304b\u3057\u3001\u3053\u308c\u3067\u3082\u307e\u305f\u5931\u6557\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\n(\u7701\u7565)\n\uff1e [2\/6] RUN apt-get update && apt-get install -y --no-install-recommends openjdk-11-jre-headless locales:\n\uff035 0.643 mkdir \/run\/runc\/rbvkypok6qvewr4uc9ub4a5g0: permission denied\n(\u7701\u7565)\n<\/pre>\n
img \u306f\u4e00\u822c\u30e6\u30fc\u30b6\u306e\u6a29\u9650\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306f\u4e00\u822c\u30e6\u30fc\u30b6\u3067\u66f8\u304d\u8fbc\u307f\u3067\u304d\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\n% sudo chmod 1777 \/run\/runc\n<\/pre>\n
\u3053\u3053\u307e\u3067\u3084\u3063\u3066\u3082\u5931\u6557\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n
\n(\u7701\u7565)\n\uff035 19.94 Unpacking ca-certificates-java (20190405) ...\n\uff035 19.95 dpkg: error processing archive \/tmp\/apt-dpkg-install-77j49c\/36-ca-certificates-java_20190405_all.deb (--unpack):\n\uff035 19.95 unable to install new version of '.\/etc\/ca-certificates': Invalid cross-device link\n(\u7701\u7565)\n<\/pre>\n
\u8abf\u3079\u305f\u3068\u3053\u308d\u3001Linux\u30ab\u30fc\u30cd\u30eb(overlayfs)\u306e\u30d0\u30b0\uff1f\u306e\u3088\u3046\u3067\u3059\u3002dpkg: Cannot upgrade some packages on overlayfs: Invalid cross-device link<\/a>\u3001Unable to docker build on Linux kernel 4.19<\/a>
\n5.10.41-1 \u3067\u306f\u52d5\u4f5c\u3059\u308b\u3088\u3046\u3067\u3059\u304c 5.14.12-1 \u3067\u306f\u3053\u306e\u3088\u3046\u306b\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002
\nLinux\u30ab\u30fc\u30cd\u30eb\u3067\u4fee\u6b63\u3055\u308c\u308b\u307e\u3067\u3001Debian\u3067 img \u3092\u8a66\u3059\u3053\u3068\u306f\u65ad\u5ff5\u3057\u307e\u3057\u305f\u3002\u540c\u3058\u3088\u3046\u306a\u74b0\u5883\u306e\u65b9\u304c\u3044\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u306e\u3067\u3001\u8a18\u9332\u3068\u3057\u3066\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
Ubuntu 18.04 LTS (Bionic) \u3067\u8a66\u3059<\/h2>\n
\u6b21\u306f Vagrant<\/a> + VirtualBox<\/a> \u3067\u3001Ubuntu 18.04 LTS (Bionic)<\/a> \u4e0a\u3067 img \u3092\u8a66\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u3087\u3046\u3002ubuntu\/bionic64<\/a> Vagrant box\u304c\u3042\u308b\u306e\u3067\u305d\u308c\u3092\u4f7f\u3044\u307e\u3059\u3002\u30d0\u30fc\u30b8\u30e7\u30f3 20211025.0.0 \u3067\u306f\u3001<\/p>\n