{"id":35047,"date":"2024-10-22T13:59:16","date_gmt":"2024-10-22T06:59:16","guid":{"rendered":"http:\/\/jupitek.maudemo.vip\/index.php\/2024\/10\/22\/how-to-use-a-dockerfile-to-build-a-docker-image\/"},"modified":"2024-10-22T13:59:16","modified_gmt":"2024-10-22T06:59:16","slug":"how-to-use-a-dockerfile-to-build-a-docker-image","status":"publish","type":"post","link":"https:\/\/jupitek.maudemo.vip\/index.php\/2024\/10\/22\/how-to-use-a-dockerfile-to-build-a-docker-image\/","title":{"rendered":"C\u00e1ch s\u1eed d\u1ee5ng Dockerfile \u0111\u1ec3 build Docker Image"},"content":{"rendered":"<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.linode.com\/docs\/guides\/how-to-use-dockerfiles\/how-to-use-dockerfile_huf57245ae32f8d2f29004f910b55af139_881138_1388x0_resize_q71_bgfafafc_catmullrom_3.jpg\" alt=\"C\u00e1ch s\u1eed d\u1ee5ng Dockerfile\" title=\"C\u00e1ch s\u1eed d\u1ee5ng Dockerfile\"\/><\/figure>\n<p>Dockerfile l\u00e0 m\u1ed9t t\u1ec7p v\u0103n b\u1ea3n h\u01b0\u1edbng d\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh&nbsp;<a href=\"https:\/\/www.linode.com\/docs\/guides\/introduction-to-docker\/#docker-images\">h\u00ecnh \u1ea3nh Docker<\/a>&nbsp;. Dockerfile gi\u00fap tri\u1ec3n khai nhi\u1ec1u v\u00f9ng ch\u1ee9a Docker d\u1ec5 d\u00e0ng m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i duy tr\u00ec c\u00f9ng m\u1ed9t h\u00ecnh \u1ea3nh tr\u00ean nhi\u1ec1u m\u00e1y \u1ea3o. C\u00e1c h\u01b0\u1edbng d\u1eabn \u0111\u01b0\u1ee3c th\u1ef1c thi theo th\u1ee9 t\u1ef1 xu\u1ea5t hi\u1ec7n trong Dockerfile, gi\u00fap vi\u1ec7c s\u1eed d\u1ee5ng v\u00e0 c\u1eadp nh\u1eadt ch\u00fang tr\u1edf n\u00ean r\u00f5 r\u00e0ng v\u00e0 tr\u1ef1c quan. B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n, k\u00e8m theo v\u00ed d\u1ee5, v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Dockerfile.<\/p>\n<h2 id=\"before-you-begin\">Tr\u01b0\u1edbc khi b\u1ea1n b\u1eaft \u0111\u1ea7u<a href=\"https:\/\/www.linode.com\/docs\/guides\/how-to-use-dockerfiles\/#before-you-begin\"><\/a><\/h2>\n<ol>\n<li>L\u00e0m quen v\u1edbi h\u01b0\u1edbng d\u1eabn&nbsp;<a href=\"https:\/\/www.linode.com\/docs\/products\/platform\/get-started\/\">B\u1eaft \u0111\u1ea7u<\/a>&nbsp;c\u1ee7a ch\u00fang t\u00f4i , t\u1ea1o v\u00e0 c\u1eadp nh\u1eadt Linode v\u00e0 c\u00e0i \u0111\u1eb7t Docker. Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 nhanh ch\u00f3ng tri\u1ec3n khai Linode \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, h\u1ed7 tr\u1ee3 Docker b\u1eb1ng&nbsp;<a href=\"https:\/\/www.linode.com\/marketplace\/apps\/linode\/docker\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u1ee8ng d\u1ee5ng Docker Marketplace<\/a>&nbsp;.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o Linode c\u1ee7a b\u1ea1n an to\u00e0n b\u1eb1ng c\u00e1ch l\u00e0m theo h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1&nbsp;<a href=\"https:\/\/www.linode.com\/docs\/products\/compute\/compute-instances\/guides\/set-up-and-secure\/\">Thi\u1ebft l\u1eadp v\u00e0 B\u1ea3o m\u1eadt Phi\u00ean b\u1ea3n \u0110i\u1ec7n to\u00e1n<\/a>&nbsp;.<\/li>\n<li>H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng b\u1ea1n \u0111\u00e3 quen v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng giao di\u1ec7n d\u00f2ng l\u1ec7nh Docker (CLI). \u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 Docker CLI, h\u00e3y xem&nbsp;<a href=\"https:\/\/docs.docker.com\/engine\/reference\/commandline\/cli\/\" target=\"_blank\" rel=\"noreferrer noopener\">t\u00e0i li\u1ec7u<\/a>&nbsp;c\u1ee7a h\u1ecd .<\/li>\n<\/ol>\n<h2 id=\"how-does-a-dockerfile-work\">Dockerfile ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<a href=\"https:\/\/www.linode.com\/docs\/guides\/how-to-use-dockerfiles\/#how-does-a-dockerfile-work\"><\/a><\/h2>\n<p>Dockerfile l\u00e0 m\u1ed9t t\u1eadp l\u1ec7nh th\u1ef1c hi\u1ec7n c\u00e1c l\u1ec7nh v\u00e0 h\u00e0nh \u0111\u1ed9ng kh\u00e1c nhau \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u00ecnh \u1ea3nh Docker, sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tri\u1ec3n khai m\u1ed9t v\u00f9ng ch\u1ee9a Docker. C\u00e1c l\u1ec7nh v\u00e0 th\u00f4ng tin trong Dockerfile c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 s\u1eed d\u1ee5ng c\u00e1c phi\u00ean b\u1ea3n ph\u1ea7n m\u1ec1m v\u00e0 ph\u1ee5 thu\u1ed9c c\u1ee5 th\u1ec3 cho c\u00e1c tri\u1ec3n khai \u1ed5n \u0111\u1ecbnh. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng s\u1ed5&nbsp;<a href=\"https:\/\/docs.docker.com\/registry\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u0103ng k\u00fd Docker<\/a>&nbsp;\u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 truy c\u1eadp c\u00e1c h\u00ecnh \u1ea3nh Docker c\u00f4ng khai (ho\u1eb7c ri\u00eang t\u01b0) c\u1ee7a m\u00ecnh.<\/p>\n<p>Sau khi Dockerfile \u0111\u01b0\u1ee3c vi\u1ebft, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng&nbsp;<code>docker build<\/code>l\u1ec7nh \u0111\u1ec3 t\u1ea1o Docker image d\u1ef1a tr\u00ean h\u01b0\u1edbng d\u1eabn c\u1ee7a Dockerfile. Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 tri\u1ec3n khai m\u1ed9t container d\u1ef1a tr\u00ean image b\u1eb1ng c\u00e1c l\u1ec7nh nh\u01b0&nbsp;<code>docker run<\/code>ho\u1eb7c&nbsp;<code>docker create<\/code>.<\/p>\n<p>Sau \u0111\u00e2y l\u00e0 c\u00e1c h\u01b0\u1edbng d\u1eabn ph\u1ed5 bi\u1ebfn m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong Dockerfiles \u0111\u1ec3 x\u00e2y d\u1ef1ng h\u00ecnh \u1ea3nh:<\/p>\n<p><strong>\u0110\u1ecbnh ngh\u0129a c\u01a1 b\u1ea3n<\/strong><\/p>\n<ul>\n<li><strong>FROM<\/strong>&nbsp;: X\u00e1c \u0111\u1ecbnh h\u00ecnh \u1ea3nh c\u01a1 s\u1edf, ch\u1eb3ng h\u1ea1n nh\u01b0&nbsp;<code>ubuntu<\/code>ho\u1eb7c&nbsp;<code>debian<\/code>, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng. B\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi m\u1ed7i Dockerfile.<\/li>\n<li><strong>NG\u01af\u1edcI B\u1ea2O TR\u00cc<\/strong>&nbsp;: X\u00e1c \u0111\u1ecbnh h\u1ecd t\u00ean \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u1ecba ch\u1ec9 email c\u1ee7a ng\u01b0\u1eddi t\u1ea1o h\u00ecnh \u1ea3nh.<\/li>\n<\/ul>\n<p><strong>Bi\u1ebfn s\u1ed1<\/strong><\/p>\n<ul>\n<li><strong>ENV<\/strong>&nbsp;: \u0110\u1eb7t c\u00e1c bi\u1ebfn m\u00f4i tr\u01b0\u1eddng s\u1ebd t\u1ed3n t\u1ea1i khi container \u0111\u01b0\u1ee3c tri\u1ec3n khai.<\/li>\n<li><strong>ARG<\/strong>&nbsp;: \u0110\u1eb7t m\u1ed9t bi\u1ebfn th\u1eddi gian x\u00e2y d\u1ef1ng c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf \u0111\u1ec3&nbsp;<code>ENV<\/code>t\u1ea1o m\u1ed9t bi\u1ebfn kh\u00f4ng t\u1ed3n t\u1ea1i khi container \u0111\u01b0\u1ee3c tri\u1ec3n khai t\u1eeb h\u00ecnh \u1ea3nh.<\/li>\n<\/ul>\n<p><strong>Th\u1ef1c hi\u1ec7n l\u1ec7nh<\/strong><\/p>\n<ul>\n<li><strong>RUN<\/strong>&nbsp;: Th\u1ef1c thi c\u00e1c l\u1ec7nh, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1ec7nh c\u00e0i \u0111\u1eb7t g\u00f3i, tr\u00ean m\u1ed9t l\u1edbp h\u00ecnh \u1ea3nh m\u1edbi.<\/li>\n<li><strong>CMD<\/strong>&nbsp;: Th\u1ef1c hi\u1ec7n l\u1ec7nh c\u1ee5 th\u1ec3 trong v\u00f9ng ch\u1ee9a \u0111\u01b0\u1ee3c tri\u1ec3n khai c\u00f9ng v\u1edbi h\u00ecnh \u1ea3nh ho\u1eb7c \u0111\u1eb7t tham s\u1ed1 m\u1eb7c \u0111\u1ecbnh cho&nbsp;<code>ENTRYPOINT<\/code>l\u1ec7nh. Ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t l\u1ec7nh cho m\u1ed7i Dockerfile.<\/li>\n<li><strong>ENTRYPOINT<\/strong>&nbsp;: \u0110\u1eb7t m\u1ed9t \u1ee9ng d\u1ee5ng m\u1eb7c \u0111\u1ecbnh \u0111\u1ec3 s\u1eed d\u1ee5ng m\u1ed7i khi m\u1ed9t container \u0111\u01b0\u1ee3c tri\u1ec3n khai v\u1edbi h\u00ecnh \u1ea3nh. Ch\u1ec9 m\u1ed9t \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ed7i Dockerfile.<\/li>\n<li><strong>NG\u01af\u1edcI D\u00d9NG<\/strong>&nbsp;: \u0110\u1eb7t UID (t\u00ean ng\u01b0\u1eddi d\u00f9ng) \u0111\u1ec3 ch\u1ea1y l\u1ec7nh trong v\u00f9ng ch\u1ee9a.<\/li>\n<li><strong>WORKDIR<\/strong>&nbsp;: \u0110\u1eb7t \u0111\u01b0\u1eddng d\u1eabn ch\u1ee9a n\u01a1i c\u00e1c l\u1ec7nh Dockerfile ti\u1ebfp theo \u0111\u01b0\u1ee3c th\u1ef1c thi.<\/li>\n<\/ul>\n<p class=\"has-background\" style=\"background-color:#74f78c33\">Ghi ch\u00fa: <code>RUN<\/code>,&nbsp;<code>CMD<\/code>, v\u00e0&nbsp;<code>ENTRYPOINT<\/code>m\u1ed7i c\u00e1i c\u00f3 th\u1ec3 ch\u1ea1y \u1edf d\u1ea1ng&nbsp;<em>shell<\/em>&nbsp;, l\u1ea5y c\u00e1c \u0111\u1ed1i s\u1ed1 th\u00f4ng th\u01b0\u1eddng ho\u1eb7c d\u1ea1ng&nbsp;<em>exec<\/em>&nbsp;, l\u1ea5y c\u00e1c \u0111\u1ed1i s\u1ed1 d\u01b0\u1edbi d\u1ea1ng m\u1ed9t m\u1ea3ng JSON. V\u00ec d\u1ea1ng&nbsp;<em>exec<\/em>&nbsp;kh\u00f4ng g\u1ecdi shell l\u1ec7nh n\u00ean th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng v\u00e0 s\u1eed d\u1ee5ng trong h\u01b0\u1edbng d\u1eabn n\u00e0y.<\/p>\n<p><strong>Qu\u1ea3n l\u00fd d\u1eef li\u1ec7u<\/strong><\/p>\n<ul>\n<li><strong>TH\u00caM<\/strong>&nbsp;: Sao ch\u00e9p c\u00e1c t\u1eadp tin t\u1eeb ngu\u1ed3n \u0111\u1ebfn h\u1ec7 th\u1ed1ng t\u1eadp tin c\u1ee7a h\u00ecnh \u1ea3nh t\u1ea1i \u0111\u00edch \u0111\u00e3 thi\u1ebft l\u1eadp v\u1edbi ch\u1ee9c n\u0103ng tarball t\u1ef1 \u0111\u1ed9ng v\u00e0 x\u1eed l\u00fd URL t\u1eeb xa.<\/li>\n<li><strong>SAO CH\u00c9P<\/strong>&nbsp;: T\u01b0\u01a1ng t\u1ef1&nbsp;<code>ADD<\/code>nh\u01b0ng kh\u00f4ng c\u00f3 tarball t\u1ef1 \u0111\u1ed9ng v\u00e0 x\u1eed l\u00fd URL t\u1eeb xa.<\/li>\n<li><strong>VOLUME<\/strong>&nbsp;: Cho ph\u00e9p truy c\u1eadp t\u1eeb \u0111i\u1ec3m g\u1eafn k\u1ebft \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong v\u00f9ng ch\u1ee9a v\u00e0o th\u01b0 m\u1ee5c tr\u00ean m\u00e1y ch\u1ee7.<\/li>\n<\/ul>\n<p><strong>M\u1ea1ng l\u01b0\u1edbi<\/strong><\/p>\n<ul>\n<li><strong>EXPOSE<\/strong>&nbsp;: M\u1edf m\u1ed9t c\u1ed5ng c\u1ee5 th\u1ec3 \u0111\u1ec3 cho ph\u00e9p k\u1ebft n\u1ed1i m\u1ea1ng gi\u1eefa container v\u00e0 th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i.<\/li>\n<\/ul>\n<p>Ti\u1ebfp theo, ch\u00fang ta s\u1ebd t\u1ea1o m\u1ed9t Dockerfile m\u1eabu s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 l\u1ec7nh n\u00e0y.<\/p>\n<h2 id=\"creating-a-dockerfile\">T\u1ea1o Dockerfile<a href=\"https:\/\/www.linode.com\/docs\/guides\/how-to-use-dockerfiles\/#creating-a-dockerfile\"><\/a><\/h2>\n<p>\u0110\u1ec3 t\u1ea1o Dockerfile:<\/p>\n<p>1.T\u1ea1i d\u1ea5u nh\u1eafc l\u1ec7nh (th\u00f4ng qua SSH ho\u1eb7c Lish trong Linode Manager), h\u00e3y t\u1ea1o v\u00e0 thay \u0111\u1ed5i sang th\u01b0 m\u1ee5c m\u1edbi:<\/p>\n<pre class=\"wp-block-code\"><code>mkdir ~\/mydockerbuild &amp;&amp; cd ~\/mydockerbuild\n<\/code><\/pre>\n<p class=\"has-background\" style=\"background-color:#74f78c33\">Ghi ch\u00fa: Thao t\u00e1c n\u00e0y \u0111\u1eb7t th\u01b0 m\u1ee5c Docker build v\u00e0o th\u01b0 m\u1ee5c home c\u1ee7a b\u1ea1n. Theo th\u00f4ng l\u1ec7 t\u1ed1t, kh\u00f4ng l\u01b0u Dockerfile v\u00e0o ch\u00ednh th\u01b0 m\u1ee5c home c\u1ee7a b\u1ea1n ho\u1eb7c th\u01b0 m\u1ee5c g\u1ed1c c\u1ee7a m\u00e1y ch\u1ee7. Thay v\u00e0o \u0111\u00f3, h\u00e3y t\u1ea1o m\u1ed9t th\u01b0 m\u1ee5c ri\u00eang v\u00e0 \u0111\u1eb7t t\u1ea5t c\u1ea3 c\u00e1c t\u1ec7p c\u1ea7n thi\u1ebft v\u00e0o \u0111\u00f3 (c\u00f9ng v\u1edbi Dockerfile) nh\u01b0 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong h\u01b0\u1edbng d\u1eabn n\u00e0y.<\/p>\n<p>2.T\u1ea1o m\u1ed9t Dockerfile m\u1eabu:<\/p>\n<pre class=\"wp-block-code\"><code>touch example_dockerfile\n<\/code><\/pre>\n<p>3.M\u1edf Dockerfile b\u1eb1ng tr\u00ecnh so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n b\u1ea1n ch\u1ecdn (trong v\u00ed d\u1ee5 n\u00e0y, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng nano):<\/p>\n<pre class=\"wp-block-code\"><code>nano example_dockerfile\n<\/code><\/pre>\n<p>4.Sao ch\u00e9p v\u00ed d\u1ee5 sau v\u00e0o Dockerfile c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t Dockerfile t\u1ea1o ra m\u1ed9t h\u00ecnh \u1ea3nh Debian, thi\u1ebft l\u1eadp th\u00f4ng tin ng\u01b0\u1eddi b\u1ea3o tr\u00ec v\u00e0 ch\u1ec9 c\u1ea7n tr\u1ea3 v\u1ec1 &#8220;Hello, Sunshine!&#8221; khi ch\u1ea1y:<\/p>\n<pre class=\"wp-block-code\"><code>FROM debian\nMAINTAINER Jane Doe jdoe@example.com\nCMD &#91;\"echo\", \"Hello, Sunshine!\"]<\/code><\/pre>\n<p>5.L\u01b0u Dockerfile.<\/p>\n<p>6.Nh\u1eadp&nbsp;<code>cat example_dockerfile<\/code>v\u00e0 \u0111\u1ea3m b\u1ea3o bao g\u1ed3m v\u0103n b\u1ea3n \u1edf tr\u00ean.<\/p>\n<h2 id=\"building-a-docker-image-from-a-dockerfile\">X\u00e2y d\u1ef1ng Docker Image t\u1eeb Dockerfile<a href=\"https:\/\/www.linode.com\/docs\/guides\/how-to-use-dockerfiles\/#building-a-docker-image-from-a-dockerfile\"><\/a><\/h2>\n<p>X\u00e2y d\u1ef1ng h\u00ecnh \u1ea3nh t\u1eeb Dockerfile b\u1eb1ng&nbsp;<code>docker build<\/code>l\u1ec7nh:<\/p>\n<pre class=\"wp-block-code\"><code>docker build ~\/mydockerbuild -f example_dockerfile -t example_image\n<\/code><\/pre>\n<p>Vi\u1ec7c g\u1eafn nh\u00e3n cho h\u00ecnh \u1ea3nh c\u1ee7a b\u1ea1n&nbsp;<code>example_image<\/code>s\u1ebd gi\u00fap tri\u1ec3n khai v\u00f9ng ch\u1ee9a \u1edf b\u01b0\u1edbc ti\u1ebfp theo d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<p>K\u1ebft qu\u1ea3 \u0111\u1ea7u ra s\u1ebd tr\u00f4ng gi\u1ed1ng nh\u01b0 th\u1ebf n\u00e0y:<\/p>\n<pre class=\"wp-block-code\"><code>Sending build context to Docker daemon  4.096kB\nStep 1\/3 : FROM debian\n ---&gt; 4a7a1f401734\nStep 2\/3 : MAINTAINER Jane Doe jdoe@example.com\n ---&gt; Running in fdd81bd8b5c6\nRemoving intermediate container fdd81bd8b5c6\n ---&gt; 1253842068a3\nStep 3\/3 : CMD &#91;\"echo\", \"Hello, Sunshine!\"]\n ---&gt; Running in d33e1bacf1af\nRemoving intermediate container d33e1bacf1af\n ---&gt; a5d95e138b97\nSuccessfully built a5d95e138b97\nSuccessfully tagged example_image:latest<\/code><\/pre>\n<p>Nh\u01b0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y, c\u00e1c h\u01b0\u1edbng d\u1eabn t\u1eeb&nbsp;<code>example_dockerfile<\/code>\u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo th\u1ee9 t\u1ef1. H\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n&nbsp;<code>example_image<\/code>hi\u1ec7n \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 ch\u1ea1y \u0111\u1ec3 tri\u1ec3n khai m\u1ed9t container.<\/p>\n<h2 id=\"running-your-docker-image-to-deploy-a-container\">Ch\u1ea1y Docker Image c\u1ee7a b\u1ea1n \u0111\u1ec3 tri\u1ec3n khai m\u1ed9t Container<a href=\"https:\/\/www.linode.com\/docs\/guides\/how-to-use-dockerfiles\/#running-your-docker-image-to-deploy-a-container\"><\/a><\/h2>\n<p>Vi\u1ec7c ch\u1ea1y h\u00ecnh \u1ea3nh b\u1ea1n v\u1eeba t\u1ea1o \u0111\u1ec3 tri\u1ec3n khai v\u00f9ng ch\u1ee9a Docker gi\u1edd \u0111\u00e2y d\u1ec5 d\u00e0ng nh\u01b0 nh\u1eadp l\u1ec7nh sau:<\/p>\n<pre class=\"wp-block-code\"><code>docker run example_image\n<\/code><\/pre>\n<p>M\u1ed9t container m\u1edbi d\u1ef1a tr\u00ean&nbsp;<code>example_image<\/code>\u0111\u01b0\u1ee3c tri\u1ec3n khai v\u00e0 l\u1ec7nh \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong&nbsp;<code>CMD<\/code>h\u01b0\u1edbng d\u1eabn sau \u0111\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c thi t\u1eeb container v\u1edbi \u0111\u1ea7u ra sau:<\/p>\n<pre class=\"wp-block-code\"><code>Hello, Sunshine!<\/code><\/pre>\n<p class=\"has-background\" style=\"background-color:#74f78c33\">Ghi ch\u00fa: N\u1ebfu&nbsp;<code>docker run<\/code>l\u1ec7nh \u0111\u01b0\u1ee3c th\u1ef1c thi v\u00e0 \u1ea3nh Docker kh\u00f4ng c\u00f3 s\u1eb5n trong th\u01b0 m\u1ee5c l\u00e0m vi\u1ec7c hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n, \u1ea3nh \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c k\u00e9o t\u1eeb s\u1ed5 \u0111\u0103ng k\u00fd Docker.<\/p>\n<h2 id=\"further-reading\">\u0110\u1ecdc th\u00eam<a href=\"https:\/\/www.linode.com\/docs\/guides\/how-to-use-dockerfiles\/#further-reading\"><\/a><\/h2>\n<p>Xin ch\u00fac m\u1eebng! B\u1ea1n \u0111\u00e3 x\u00e2y d\u1ef1ng Dockerfile \u0111\u1ea7u ti\u00ean v\u00e0 ch\u1ea1y h\u00ecnh \u1ea3nh Docker \u0111\u1ea7u ti\u00ean c\u1ee7a m\u00ecnh.<\/p>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam v\u00ed d\u1ee5 v\u00e0 th\u00f4ng tin v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng Dockerfiles v\u1edbi h\u00ecnh \u1ea3nh v\u00e0 v\u00f9ng ch\u1ee9a Docker, h\u00e3y xem:<\/p>\n<ul>\n<li>h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1&nbsp;<a href=\"https:\/\/www.linode.com\/docs\/guides\/docker-images-containers-and-dockerfiles-in-depth\">C\u00e1ch s\u1eed d\u1ee5ng Docker Images, Container v\u00e0 Dockerfiles chi ti\u1ebft<\/a>&nbsp;;<\/li>\n<li><a href=\"https:\/\/docs.docker.com\/engine\/userguide\/eng-image\/dockerfile_best-practices\/\" target=\"_blank\" rel=\"noreferrer noopener\">Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t c\u1ee7a Dockerfile<\/a>&nbsp;c\u1ee7a Docker&nbsp;.<\/li>\n<\/ul>\n<h2 id=\"more-information\">Th\u00f4ng tin th\u00eam<\/h2>\n<p>B\u1ea1n c\u00f3 th\u1ec3 mu\u1ed1n tham kh\u1ea3o c\u00e1c ngu\u1ed3n sau \u0111\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y. M\u1eb7c d\u00f9 ch\u00fang t\u00f4i cung c\u1ea5p v\u1edbi hy v\u1ecdng r\u1eb1ng ch\u00fang s\u1ebd h\u1eefu \u00edch, nh\u01b0ng xin l\u01b0u \u00fd r\u1eb1ng ch\u00fang t\u00f4i kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c ho\u1eb7c t\u00ednh k\u1ecbp th\u1eddi c\u1ee7a c\u00e1c t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef b\u00ean ngo\u00e0i.<\/p>\n<ul>\n<li><a href=\"https:\/\/docs.docker.com\/engine\/userguide\/eng-image\/dockerfile_best-practices\" target=\"_blank\" rel=\"noreferrer noopener\">Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ec3 vi\u1ebft Dockerfiles<\/a><\/li>\n<li><a href=\"https:\/\/hub.docker.com\/search?q=&amp;type=image&amp;image_filter=official&amp;page=1\" target=\"_blank\" rel=\"noreferrer noopener\">H\u00ecnh \u1ea3nh Docker ch\u00ednh th\u1ee9c tr\u00ean Docker Hub<\/a><\/li>\n<li><a href=\"http:\/\/docs.docker.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">T\u00e0i li\u1ec7u Docker<\/a><\/li>\n<\/ul>\n<p>Ngu\u1ed3n: https:\/\/www.linode.com\/docs\/guides\/how-to-use-dockerfiles\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dockerfile l\u00e0 m\u1ed9t t\u1ec7p v\u0103n b\u1ea3n h\u01b0\u1edbng d\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh&nbsp;h\u00ecnh \u1ea3nh Docker&nbsp;. Dockerfile gi\u00fap tri\u1ec3n khai nhi\u1ec1u v\u00f9ng ch\u1ee9a Docker d\u1ec5 d\u00e0ng m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i duy tr\u00ec c\u00f9ng m\u1ed9t h\u00ecnh \u1ea3nh tr\u00ean nhi\u1ec1u m\u00e1y \u1ea3o. C\u00e1c h\u01b0\u1edbng d\u1eabn \u0111\u01b0\u1ee3c th\u1ef1c thi theo<\/p>\n","protected":false},"author":1,"featured_media":36276,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-35047","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-containers"],"_links":{"self":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/35047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/comments?post=35047"}],"version-history":[{"count":0,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/35047\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media\/36276"}],"wp:attachment":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media?parent=35047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/categories?post=35047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/tags?post=35047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}