{"id":35063,"date":"2024-11-07T15:30:57","date_gmt":"2024-11-07T08:30:57","guid":{"rendered":"http:\/\/jupitek.maudemo.vip\/index.php\/2024\/11\/07\/when-and-why-to-use-docker\/"},"modified":"2024-11-07T15:30:57","modified_gmt":"2024-11-07T08:30:57","slug":"when-and-why-to-use-docker","status":"publish","type":"post","link":"https:\/\/jupitek.maudemo.vip\/index.php\/2024\/11\/07\/when-and-why-to-use-docker\/","title":{"rendered":"Khi n\u00e0o v\u00e0 t\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng Docker"},"content":{"rendered":"<h2 id=\"what-is-docker\">Docker l\u00e0 g\u00ec?<a href=\"https:\/\/www.linode.com\/docs\/guides\/when-and-why-to-use-docker\/#what-is-docker\"><\/a><\/h2>\n<p>K\u1ec3 t\u1eeb khi ra m\u1eaft v\u00e0o n\u0103m 2012,&nbsp;<a href=\"https:\/\/www.docker.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Docker<\/a>&nbsp;\u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n nhanh nh\u1ea5t trong devops v\u00e0 ph\u00e1t tri\u1ec3n web. Tuy nhi\u00ean, gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 c\u00f4ng ngh\u1ec7 m\u1edbi n\u00e0o, Docker v\u1eabn \u0111ang trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n, c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf v\u00e0 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi d\u1ef1 \u00e1n. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p t\u1ed5ng quan v\u1ec1 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Docker \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh xem li\u1ec7u n\u00f3 c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t s\u1ef1 b\u1ed5 sung t\u1ed1t cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh hay kh\u00f4ng.<\/p>\n<p>\u0110\u1ec3 bi\u1ebft ph\u1ea7n gi\u1edbi thi\u1ec7u c\u01a1 b\u1ea3n h\u01a1n v\u1ec1 c\u00e1c kh\u00e1i ni\u1ec7m v\u00e0 thu\u1eadt ng\u1eef Docker, h\u00e3y xem h\u01b0\u1edbng d\u1eabn&nbsp;<a href=\"https:\/\/www.linode.com\/docs\/guides\/introduction-to-docker\/\">Gi\u1edbi thi\u1ec7u v\u1ec1 Docker<\/a>&nbsp;c\u1ee7a ch\u00fang t\u00f4i .<\/p>\n<h2 id=\"benefits-of-docker\">L\u1ee3i \u00edch c\u1ee7a Docker<a href=\"https:\/\/www.linode.com\/docs\/guides\/when-and-why-to-use-docker\/#benefits-of-docker\"><\/a><\/h2>\n<ol>\n<li><strong>Kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o<\/strong>&nbsp;: T\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u1ee9ng d\u1ee5ng Java, c\u00f3 th\u1ec3 ch\u1ea1y ch\u00ednh x\u00e1c nh\u01b0 nhau tr\u00ean b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o c\u00f3 kh\u1ea3 n\u0103ng ch\u1ea1y M\u00e1y \u1ea3o Java, v\u00f9ng ch\u1ee9a Docker \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o gi\u1ed1ng h\u1ec7t nhau tr\u00ean b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng n\u00e0o c\u00f3 th\u1ec3 ch\u1ea1y Docker. C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c c\u1ee7a v\u00f9ng ch\u1ee9a \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong Dockerfile. B\u1eb1ng c\u00e1ch ph\u00e2n ph\u1ed1i t\u1ec7p n\u00e0y gi\u1eefa c\u00e1c th\u00e0nh vi\u00ean trong nh\u00f3m, m\u1ed9t t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb c\u00f9ng m\u1ed9t Dockerfile s\u1ebd ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng h\u1ec7t nhau. Ngo\u00e0i ra, vi\u1ec7c c\u00f3 m\u1ed9t m\u00f4i tr\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c ghi ch\u00e9p \u0111\u1ea7y \u0111\u1ee7 gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng theo d\u00f5i \u1ee9ng d\u1ee5ng v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1.<\/li>\n<li><strong>Isolation<\/strong>&nbsp;: C\u00e1c ph\u1ee5 thu\u1ed9c ho\u1eb7c thi\u1ebft l\u1eadp trong m\u1ed9t container s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u1ea5t k\u1ef3 c\u00e0i \u0111\u1eb7t ho\u1eb7c c\u1ea5u h\u00ecnh n\u00e0o tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n ho\u1eb7c tr\u00ean b\u1ea5t k\u1ef3 container n\u00e0o kh\u00e1c c\u00f3 th\u1ec3 \u0111ang ch\u1ea1y. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c container ri\u00eang bi\u1ec7t cho t\u1eebng th\u00e0nh ph\u1ea7n c\u1ee7a \u1ee9ng d\u1ee5ng (v\u00ed d\u1ee5: m\u00e1y ch\u1ee7 web, giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ec3 l\u01b0u tr\u1eef trang web), b\u1ea1n c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c ph\u1ee5 thu\u1ed9c xung \u0111\u1ed9t. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u d\u1ef1 \u00e1n tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 duy nh\u1ea5t m\u00e0 kh\u00f4ng ph\u1ea3i lo l\u1eafng v\u1ec1 vi\u1ec7c t\u1ea1o ra xung \u0111\u1ed9t tr\u00ean h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh.<\/li>\n<li><strong>B\u1ea3o m\u1eadt<\/strong>&nbsp;: V\u1edbi nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng (\u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn b\u00ean d\u01b0\u1edbi), vi\u1ec7c t\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng l\u1edbn th\u00e0nh c\u00e1c v\u00f9ng ch\u1ee9a kh\u00e1c nhau c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch v\u1ec1 b\u1ea3o m\u1eadt: n\u1ebfu m\u1ed9t v\u00f9ng ch\u1ee9a b\u1ecb x\u00e2m ph\u1ea1m th\u00ec c\u00e1c v\u00f9ng ch\u1ee9a kh\u00e1c s\u1ebd kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/li>\n<li><strong>Docker Hub<\/strong>&nbsp;: \u0110\u1ed1i v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn ho\u1eb7c \u0111\u01a1n gi\u1ea3n, ch\u1eb3ng h\u1ea1n nh\u01b0 ng\u0103n x\u1ebfp LAMP, kh\u1ea3 n\u0103ng l\u01b0u h\u00ecnh \u1ea3nh v\u00e0 \u0111\u1ea9y ch\u00fang l\u00ean Docker Hub c\u00f3 ngh\u0129a l\u00e0 \u0111\u00e3 c\u00f3 nhi\u1ec1u h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec t\u1ed1t. C\u00f3 th\u1ec3 nhanh ch\u00f3ng k\u00e9o h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c t\u1ea1o s\u1eb5n ho\u1eb7c x\u00e2y d\u1ef1ng t\u1eeb Dockerfile \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec ch\u00ednh th\u1ee9c c\u00f3 th\u1ec3 l\u00e0m cho qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp n\u00e0y c\u1ef1c k\u1ef3 nhanh ch\u00f3ng v\u00e0 \u0111\u01a1n gi\u1ea3n.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng<\/strong>&nbsp;: Docker gi\u00fap d\u1ec5 d\u00e0ng duy tr\u00ec c\u00e1c phi\u00ean b\u1ea3n kh\u00e1c nhau c\u1ee7a, v\u00ed d\u1ee5, m\u1ed9t trang web b\u1eb1ng nginx. B\u1ea1n c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t container ri\u00eang \u0111\u1ec3 th\u1eed nghi\u1ec7m, ph\u00e1t tri\u1ec3n v\u00e0 s\u1ea3n xu\u1ea5t tr\u00ean c\u00f9ng m\u1ed9t Linode v\u00e0 d\u1ec5 d\u00e0ng tri\u1ec3n khai cho t\u1eebng container.<\/li>\n<li><strong>T\u00edch h\u1ee3p li\u00ean t\u1ee5c<\/strong>&nbsp;: Docker ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng t\u00edch h\u1ee3p li\u00ean t\u1ee5c v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Travis, Jenkins v\u00e0 Wercker. M\u1ed7i khi m\u00e3 ngu\u1ed3n c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ec3 l\u01b0u phi\u00ean b\u1ea3n m\u1edbi d\u01b0\u1edbi d\u1ea1ng h\u00ecnh \u1ea3nh Docker, g\u1eafn th\u1ebb v\u1edbi s\u1ed1 phi\u00ean b\u1ea3n v\u00e0 \u0111\u1ea9y l\u00ean Docker Hub, sau \u0111\u00f3 tri\u1ec3n khai v\u00e0o s\u1ea3n xu\u1ea5t.<\/li>\n<\/ol>\n<h2 id=\"when-to-use-docker\">Khi n\u00e0o s\u1eed d\u1ee5ng Docker<a href=\"https:\/\/www.linode.com\/docs\/guides\/when-and-why-to-use-docker\/#when-to-use-docker\"><\/a><\/h2>\n<p>N\u1ebfu \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t ho\u1eb7c nhi\u1ec1u danh m\u1ee5c sau, Docker c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p:<\/p>\n<p>1.<strong>H\u1ecdc c\u00f4ng ngh\u1ec7 m\u1edbi<\/strong>&nbsp;: \u0110\u1ec3 b\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t c\u00f4ng c\u1ee5 m\u1edbi m\u00e0 kh\u00f4ng m\u1ea5t th\u1eddi gian c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh, Docker cung c\u1ea5p m\u1ed9t m\u00f4i tr\u01b0\u1eddng bi\u1ec7t l\u1eadp v\u00e0 d\u00f9ng m\u1ed9t l\u1ea7n. Nhi\u1ec1u d\u1ef1 \u00e1n duy tr\u00ec h\u00ecnh \u1ea3nh Docker v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n mu\u1ed1n ki\u1ec3m tra h\u1ec7 th\u1ed1ng theo d\u00f5i ph\u00e2n t\u00e1n nh\u01b0&nbsp;<a href=\"http:\/\/zipkin.io\/\" target=\"_blank\" rel=\"noreferrer noopener\">Zipkin<\/a>&nbsp;, b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u00e1y ch\u1ee7 c\u1ee5c b\u1ed9 ch\u1ec9 b\u1eb1ng c\u00e1ch ch\u1ea1y:<\/p>\n<pre class=\"wp-block-code\"><code>sudo docker run -d -p 9411:9411 openzipkin\/zipkin\n<\/code><\/pre>\n<p>2.<strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n<\/strong>&nbsp;: K\u00e9o h\u00ecnh \u1ea3nh t\u1eeb Docker Hub c\u0169ng l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ed1t n\u1ebfu \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n \u0111\u1ee7 c\u01a1 b\u1ea3n ho\u1eb7c ti\u00eau chu\u1ea9n \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi h\u00ecnh \u1ea3nh Docker m\u1eb7c \u0111\u1ecbnh. C\u00e1c tr\u01b0\u1eddng h\u1ee3p nh\u01b0 l\u01b0u tr\u1eef trang web b\u1eb1ng ng\u0103n x\u1ebfp LAMP, s\u1eed d\u1ee5ng proxy ng\u01b0\u1ee3c ho\u1eb7c thi\u1ebft l\u1eadp m\u00e1y ch\u1ee7 Minecraft th\u01b0\u1eddng c\u00f3 h\u00ecnh \u1ea3nh ch\u00ednh th\u1ee9c ho\u1eb7c \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u1ed1t tr\u00ean DockerHub. N\u1ebfu c\u1ea5u h\u00ecnh m\u1eb7c \u0111\u1ecbnh trong c\u00e1c h\u00ecnh \u1ea3nh n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n, th\u00ec vi\u1ec7c k\u00e9o h\u00ecnh \u1ea3nh c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m r\u1ea5t nhi\u1ec1u th\u1eddi gian m\u00e0 n\u1ebfu kh\u00f4ng s\u1ebd ph\u1ea3i d\u00e0nh cho vi\u1ec7c thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e0i \u0111\u1eb7t c\u00e1c c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft.<\/p>\n<p>3.<strong>C\u00f4 l\u1eadp \u1ee9ng d\u1ee5ng<\/strong>&nbsp;: N\u1ebfu b\u1ea1n mu\u1ed1n ch\u1ea1y nhi\u1ec1u \u1ee9ng d\u1ee5ng tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7, vi\u1ec7c gi\u1eef c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a t\u1eebng \u1ee9ng d\u1ee5ng trong c\u00e1c v\u00f9ng ch\u1ee9a ri\u00eang bi\u1ec7t s\u1ebd ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c.<\/p>\n<p>4.<strong>Nh\u00f3m ph\u00e1t tri\u1ec3n<\/strong>&nbsp;: N\u1ebfu b\u1ea1n c\u00f3 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c thi\u1ebft l\u1eadp kh\u00e1c nhau, Docker cung c\u1ea5p m\u1ed9t c\u00e1ch thu\u1eadn ti\u1ec7n \u0111\u1ec3 c\u00f3 c\u00e1c m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n c\u1ee5c b\u1ed9 ph\u00f9 h\u1ee3p ch\u1eb7t ch\u1ebd v\u1edbi m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t, m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i ssh v\u00e0o h\u1ed9p t\u1eeb xa.<\/p>\n<h2 id=\"when-not-to-use-docker\">Khi n\u00e0o kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng Docker<a href=\"https:\/\/www.linode.com\/docs\/guides\/when-and-why-to-use-docker\/#when-not-to-use-docker\"><\/a><\/h2>\n<p>C\u0169ng c\u00f3 nh\u1eefng l\u00fac Docker kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5:<\/p>\n<ol>\n<li><strong>\u1ee8ng d\u1ee5ng c\u1ee7a b\u1ea1n ph\u1ee9c t\u1ea1p v\u00e0 b\u1ea1n kh\u00f4ng\/kh\u00f4ng c\u00f3 qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng.<\/strong>&nbsp;\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng l\u1edbn ho\u1eb7c ph\u1ee9c t\u1ea1p, s\u1eed d\u1ee5ng Dockerfile \u0111\u01b0\u1ee3c t\u1ea1o s\u1eb5n ho\u1eb7c k\u00e9o h\u00ecnh \u1ea3nh hi\u1ec7n c\u00f3 s\u1ebd kh\u00f4ng \u0111\u1ee7. X\u00e2y d\u1ef1ng, ch\u1ec9nh s\u1eeda v\u00e0 qu\u1ea3n l\u00fd giao ti\u1ebfp gi\u1eefa nhi\u1ec1u v\u00f9ng ch\u1ee9a tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7 l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 t\u1ed1n th\u1eddi gian.<\/li>\n<li><strong>Hi\u1ec7u su\u1ea5t l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/strong>&nbsp;Docker n\u1ed5i tr\u1ed9i h\u01a1n so v\u1edbi m\u00e1y \u1ea3o khi n\u00f3i \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00ec c\u00e1c container chia s\u1ebb nh\u00e2n m\u00e1y ch\u1ee7 v\u00e0 kh\u00f4ng m\u00f4 ph\u1ecfng to\u00e0n b\u1ed9 h\u1ec7 \u0111i\u1ec1u h\u00e0nh. Tuy nhi\u00ean, Docker l\u1ea1i g\u00e2y ra chi ph\u00ed hi\u1ec7u su\u1ea5t. C\u00e1c quy tr\u00ecnh ch\u1ea1y trong container&nbsp;<a href=\"http:\/\/domino.research.ibm.com\/library\/cyberdig.nsf\/papers\/0929052195DD819C85257D2300681E7B\/$File\/rc25482.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">s\u1ebd kh\u00f4ng nhanh<\/a>&nbsp;b\u1eb1ng c\u00e1c quy tr\u00ecnh ch\u1ea1y tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh g\u1ed1c. N\u1ebfu b\u1ea1n c\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t c\u00f3 th\u1ec3 t\u1eeb m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh, b\u1ea1n c\u00f3 th\u1ec3 mu\u1ed1n tr\u00e1nh Docker.<\/li>\n<li><strong>B\u1ea1n kh\u00f4ng mu\u1ed1n g\u1eb7p r\u1eafc r\u1ed1i khi n\u00e2ng c\u1ea5p.<\/strong>&nbsp;Docker l\u00e0 c\u00f4ng ngh\u1ec7 m\u1edbi v\u1eabn \u0111ang trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n. \u0110\u1ec3 c\u00f3 c\u00e1c t\u00ednh n\u0103ng m\u1edbi, b\u1ea1n c\u00f3 th\u1ec3 ph\u1ea3i c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n th\u01b0\u1eddng xuy\u00ean v\u00e0 kh\u00f4ng \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi c\u00e1c phi\u00ean b\u1ea3n tr\u01b0\u1edbc.<\/li>\n<li><strong>B\u1ea3o m\u1eadt l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/strong>&nbsp;Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, vi\u1ec7c gi\u1eef c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau c\u1ee7a \u1ee9ng d\u1ee5ng trong c\u00e1c v\u00f9ng ch\u1ee9a ri\u00eang bi\u1ec7t mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch v\u1ec1 b\u1ea3o m\u1eadt, v\u00ec s\u1ef1 th\u1ecfa hi\u1ec7p trong m\u1ed9t v\u00f9ng ch\u1ee9a kh\u00f4ng d\u1ec5 d\u00e0ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng. Tuy nhi\u00ean, c\u00e1ch ti\u1ebfp c\u1eadn v\u00f9ng ch\u1ee9a c\u1ee7a Docker l\u1ea1i \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c v\u1ec1 b\u1ea3o m\u1eadt ri\u00eang, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p h\u01a1n. Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c, nh\u01b0ng c\u1ea7n c\u00f3 s\u1ef1 ch\u00fa \u00fd c\u1ee7a m\u1ed9t k\u1ef9 s\u01b0 b\u1ea3o m\u1eadt gi\u00e0u kinh nghi\u1ec7m. (Xem ph\u1ea7n Th\u00f4ng tin th\u00eam \u0111\u1ec3 bi\u1ebft li\u00ean k\u1ebft \u0111\u1ebfn c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y).<\/li>\n<li><strong>Nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/strong>&nbsp;V\u00ec c\u00e1c container Docker chia s\u1ebb h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a m\u00e1y ch\u1ee7 n\u00ean n\u1ebfu b\u1ea1n mu\u1ed1n ch\u1ea1y ho\u1eb7c th\u1eed nghi\u1ec7m c\u00f9ng m\u1ed9t \u1ee9ng d\u1ee5ng tr\u00ean nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau, b\u1ea1n s\u1ebd c\u1ea7n s\u1eed d\u1ee5ng m\u00e1y \u1ea3o thay v\u00ec Docker.<\/li>\n<li><strong>Clusters.<\/strong>&nbsp;C\u00e1c container Docker tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 ri\u00eang bi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t cluster v\u1edbi&nbsp;<a href=\"https:\/\/docs.docker.com\/engine\/swarm\/\" target=\"_blank\" rel=\"noreferrer noopener\">Docker Swarm<\/a>&nbsp;. Tuy nhi\u00ean, Docker kh\u00f4ng thay th\u1ebf c\u00e1c c\u00f4ng c\u1ee5 cung c\u1ea5p ho\u1eb7c t\u1ef1 \u0111\u1ed9ng h\u00f3a nh\u01b0 Ansible, SaltStack v\u00e0 Chef. Ngo\u00e0i ra, Docker g\u1ea7n \u0111\u00e2y \u0111\u00e3 c\u00f4ng b\u1ed1 h\u1ed7 tr\u1ee3 cho Kubernetes, \u00e1m ch\u1ec9 r\u1eb1ng Docker Swarm c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 l\u00e0m tr\u00ecnh qu\u1ea3n l\u00fd c\u1ee5m \u0111\u1ed9c l\u1eadp.<\/li>\n<\/ol>\n<h2 id=\"should-you-use-docker-containers\">B\u1ea1n c\u00f3 n\u00ean s\u1eed d\u1ee5ng Docker Container kh\u00f4ng?<a href=\"https:\/\/www.linode.com\/docs\/guides\/when-and-why-to-use-docker\/#should-you-use-docker-containers\"><\/a><\/h2>\n<p>Docker \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00e1ch c\u1ef1c k\u1ef3 ph\u1ed5 bi\u1ebfn \u0111\u1ec3 c\u1ea5u h\u00ecnh, l\u01b0u v\u00e0 chia s\u1ebb m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng container. V\u00ec l\u00fd do n\u00e0y, vi\u1ec7c c\u00e0i \u0111\u1eb7t m\u1ed9t \u1ee9ng d\u1ee5ng ho\u1eb7c th\u1eadm ch\u00ed m\u1ed9t ng\u0103n x\u1ebfp l\u1edbn th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n nh\u01b0 ch\u1ea1y&nbsp;<code>docker pull<\/code>ho\u1eb7c&nbsp;<code>docker run<\/code>. Vi\u1ec7c t\u00e1ch c\u00e1c ch\u1ee9c n\u0103ng \u1ee9ng d\u1ee5ng th\u00e0nh c\u00e1c container kh\u00e1c nhau c\u0169ng mang l\u1ea1i l\u1ee3i th\u1ebf v\u1ec1 b\u1ea3o m\u1eadt v\u00e0 qu\u1ea3n l\u00fd ph\u1ee5 thu\u1ed9c.<\/p>\n<p>Tuy nhi\u00ean, Docker kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p thay th\u1ebf cho k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng ho\u1eb7c qu\u1ea3n l\u00fd c\u1ea5u h\u00ecnh, v\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn c\u1ee7a n\u00f3 c\u00f3 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n n\u00ean ch\u1ed1ng l\u1ea1i s\u1ef1 c\u00e1m d\u1ed7 \u0111\u00f3ng g\u00f3i m\u1ecdi \u1ee9ng d\u1ee5ng h\u1ecd t\u1ea1o ra, \u0111\u01a1n gi\u1ea3n v\u00ec Docker l\u00e0 gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng. C\u0169ng nh\u01b0 b\u1ea5t k\u1ef3 c\u00f4ng c\u1ee5 n\u00e0o, c\u00e1c y\u00eau c\u1ea7u c\u1ee7a b\u1ea5t k\u1ef3 d\u1ef1 \u00e1n n\u00e0o c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u c\u1ea9n th\u1eadn tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh c\u00f3 s\u1eed d\u1ee5ng Docker hay kh\u00f4ng.<\/p>\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:\/\/www.docker.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ng\u01b0\u1eddi l\u00e1i t\u00e0u<\/a><\/li>\n<li><a href=\"https:\/\/hub.docker.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Trung t\u00e2m Docker<\/a><\/li>\n<li><a href=\"http:\/\/www.channelfutures.com\/open-source\/when-not-use-docker-understanding-limitations-containers\" target=\"_blank\" rel=\"noreferrer noopener\">Khi n\u00e0o kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng Docker<\/a><\/li>\n<li><a href=\"https:\/\/www.oreilly.com\/ideas\/five-security-concerns-when-using-docker\" target=\"_blank\" rel=\"noreferrer noopener\">5 M\u1ed1i quan t\u00e2m v\u1ec1 b\u1ea3o m\u1eadt khi s\u1eed d\u1ee5ng Docker<\/a><\/li>\n<li><a href=\"https:\/\/www.infoworld.com\/article\/3154711\/security\/8-docker-security-rules-to-live-by.html\" target=\"_blank\" rel=\"noreferrer noopener\">8 quy t\u1eafc b\u1ea3o m\u1eadt Docker c\u1ea7n tu\u00e2n th\u1ee7<\/a><\/li>\n<li><a href=\"https:\/\/blog.docker.com\/2016\/08\/software-security-docker-containers\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ph\u1ea7n m\u1ec1m c\u1ee7a b\u1ea1n an to\u00e0n h\u01a1n trong Docker Container<\/a><\/li>\n<\/ul>\n<p>Ngu\u1ed3n: https:\/\/www.linode.com\/docs\/guides\/when-and-why-to-use-docker\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Docker l\u00e0 g\u00ec? K\u1ec3 t\u1eeb khi ra m\u1eaft v\u00e0o n\u0103m 2012,&nbsp;Docker&nbsp;\u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n nhanh nh\u1ea5t trong devops v\u00e0 ph\u00e1t tri\u1ec3n web. Tuy nhi\u00ean, gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 c\u00f4ng ngh\u1ec7 m\u1edbi n\u00e0o, Docker v\u1eabn \u0111ang trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n, c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf v\u00e0 kh\u00f4ng ph\u00f9 h\u1ee3p<\/p>\n","protected":false},"author":1,"featured_media":36338,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-35063","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\/35063","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=35063"}],"version-history":[{"count":0,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/posts\/35063\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media\/36338"}],"wp:attachment":[{"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/media?parent=35063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/categories?post=35063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jupitek.maudemo.vip\/index.php\/wp-json\/wp\/v2\/tags?post=35063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}