{"id":50086,"date":"2023-12-17T06:09:49","date_gmt":"2023-12-17T06:09:49","guid":{"rendered":"https:\/\/masterskills.org\/blog\/top-15-cau-hoi-phong-van-docker-pho-bien-nhat.html"},"modified":"2023-12-17T06:09:49","modified_gmt":"2023-12-17T06:09:49","slug":"top-15-cau-hoi-phong-van-docker-pho-bien-nhat","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/top-15-cau-hoi-phong-van-docker-pho-bien-nhat.html","title":{"rendered":"Top 15 C\u00e2u H\u1ecfi Ph\u1ecfng V\u1ea5n Docker Ph\u1ed5 Bi\u1ebfn Nh\u1ea5t"},"content":{"rendered":"
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Docker l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu v\u00e0 quen thu\u1ed9c \u0111\u1ed1i v\u1edbi nhi\u1ec1u Coder v\u00e0 Developer, \u0111\u01b0\u1ee3c d\u00f9ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 tri\u1ec3n khai v\u00e0 qu\u1ea3n l\u00fd \u1ee9ng d\u1ee5ng. N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb cho m\u1ed9t cu\u1ed9c ph\u1ecfng v\u1ea5n li\u00ean quan \u0111\u1ebfn Docker, th\u00ec vi\u1ec7c n\u1eafm v\u1eefng c\u00e1ch tr\u1ea3 l\u1eddi cho c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 r\u1ea5t quan tr\u1ecdng. Trong b\u00e0i vi\u1ebft n\u00e0y, Masterskills s\u1ebd c\u00f9ng b\u1ea1n kh\u00e1m ph\u00e1 top 15<\/strong>c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Docker<\/strong> ph\u1ed5 bi\u1ebfn nh\u1ea5t, t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao.<\/p>\n

C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Docker c\u01a1 b\u1ea3n\u00a0<\/strong><\/h2>\n

1. B\u1ea1n c\u00f3 th\u1ec3 gi\u1edbi thi\u1ec7u \u0111\u00f4i ch\u00fat v\u1ec1 docker container \u0111\u01b0\u1ee3c kh\u00f4ng?\u00a0<\/strong><\/h3>\n

\u0110\u00e2y ch\u00ednh l\u00e0 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Docker<\/strong> ph\u1ed5 bi\u1ebfn m\u00e0 b\u1ea1n th\u01b0\u1eddng hay g\u1eb7p ph\u1ea3i \u1edf ph\u1ea7n \u0111\u1ea7u c\u1ee7a bu\u1ed5i ph\u1ecfng v\u1ea5n. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t, Docker Container bao g\u1ed3m c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n ph\u1ee5 thu\u1ed9c c\u1ee7a ch\u00fang. Ch\u00fang chia s\u1ebb t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng v\u00e0 h\u1ea1t nh\u00e2n v\u1edbi c\u00e1c b\u1ed9 ch\u1ee9a kh\u00e1c v\u00e0 ch\u1ea1y d\u01b0\u1edbi d\u1ea1ng c\u00e1c h\u1ec7 th\u1ed1ng bi\u1ec7t l\u1eadp trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u00e1y ch\u1ee7.\u00a0<\/p>\n

M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a Docker Container l\u00e0 lo\u1ea1i b\u1ecf s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng trong khi tri\u1ec3n khai v\u00e0 ch\u1ea1y c\u00e1c \u1ee9ng d\u1ee5ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ecdi \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean m\u1ecdi n\u1ec1n t\u1ea3ng b\u1ea5t k\u1ec3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u00ean d\u01b0\u1edbi. V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, ch\u00fang ch\u1ec9 l\u00e0 phi\u00ean b\u1ea3n th\u1eddi gian ch\u1ea1y c\u1ee7a Docker images.<\/p>\n

2. Docker images l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

Docker images l\u00e0 c\u00e1c g\u00f3i ch\u1ee9a t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ea1y m\u1ed9t \u1ee9ng d\u1ee5ng. Ch\u00fang bao g\u1ed3m c\u00e1c t\u1ec7p th\u1ef1c thi, th\u01b0 vi\u1ec7n, bi\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e1c t\u00e0i nguy\u00ean c\u1ea7n thi\u1ebft kh\u00e1c. Docker images c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 \u1ea3nh ch\u1ee5p nhanh di \u0111\u1ed9ng v\u00e0 c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o c\u1ee7a container.<\/p>\n

3. DockerFile l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

Dockerfile l\u00e0 m\u1ed9t t\u1ec7p v\u0103n b\u1ea3n ch\u1ee9a c\u00e1c h\u01b0\u1edbng d\u1eabn v\u00e0 l\u1ec7nh \u0111\u1ec3 x\u00e2y d\u1ef1ng Docker images. N\u00f3 m\u00f4 t\u1ea3 c\u00e1c b\u01b0\u1edbc c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o m\u1ed9t image, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m, thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng.<\/p>\n

4. B\u1ea1n c\u00f3 th\u1ec3 cho bi\u1ebft ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t hypervisor l\u00e0 g\u00ec kh\u00f4ng?\u00a0<\/strong><\/h3>\n

Hypervisor l\u00e0 m\u1ed9t ph\u1ea7n m\u1ec1m th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh \u1ea3o h\u00f3a v\u00ec ph\u1ea7n m\u1ec1m n\u00e0y \u0111\u00f4i khi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Tr\u00ecnh gi\u00e1m s\u00e1t m\u00e1y \u1ea3o. N\u00f3 ph\u00e2n chia t\u00e0i nguy\u00ean c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 v\u00e0 ph\u00e2n b\u1ed5 ch\u00fang cho t\u1eebng m\u00f4i tr\u01b0\u1eddng kh\u00e1ch \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t tr\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 duy nh\u1ea5t. Hypervisors c\u00f3 2 lo\u1ea1i:<\/p>\n

    \n
  • 1. Native Hypervisor: Lo\u1ea1i n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Bare-metal Hypervisor v\u00e0 ch\u1ea1y tr\u1ef1c ti\u1ebfp tr\u00ean h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 c\u01a1 b\u1ea3n, gi\u00fap \u0111\u1ea3m b\u1ea3o quy\u1ec1n truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o ph\u1ea7n c\u1ee9ng m\u00e1y ch\u1ee7, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao n\u00f3 kh\u00f4ng y\u00eau c\u1ea7u h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u01a1 s\u1edf.<\/li>\n
  • 2. Hosted Hypervisor: Lo\u1ea1i n\u00e0y s\u1eed d\u1ee5ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u00e1y ch\u1ee7 c\u01a1 b\u1ea3n \u0111\u00e3 c\u00e0i \u0111\u1eb7t h\u1ec7 \u0111i\u1ec1u h\u00e0nh hi\u1ec7n c\u00f3.<\/li>\n<\/ul>\n

    5. B\u1ea1n bi\u1ebft g\u00ec v\u1ec1 Docker Composer?\u00a0<\/strong><\/h3>\n

    Docker Composer l\u00e0 m\u1ed9t t\u1ec7p YAML bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c chi ti\u1ebft li\u00ean quan \u0111\u1ebfn c\u00e1c d\u1ecbch v\u1ee5, m\u1ea1ng v\u00e0 \u1ed5 \u0111\u0129a kh\u00e1c nhau c\u1ea7n thi\u1ebft \u0111\u1ec3 thi\u1ebft l\u1eadp \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean Docker. V\u00ec v\u1eady, docker-compose \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o nhi\u1ec1u container, l\u01b0u tr\u1eef v\u00e0 thi\u1ebft l\u1eadp giao ti\u1ebfp gi\u1eefa ch\u00fang. V\u1edbi m\u1ee5c \u0111\u00edch li\u00ean l\u1ea1c gi\u1eefa c\u00e1c container, c\u00e1c c\u1ed5ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb b\u1edfi t\u1eebng container.<\/p>\n

    C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Docker trung c\u1ea5p\u00a0<\/strong><\/h2>\n

    6. Ph\u00e2n bi\u1ec7t gi\u1eefa visualization v\u00e0 containerization\u00a0<\/strong><\/h3>\n

    Visualization v\u00e0 containerization l\u00e0 hai c\u00e1ch ti\u1ebfp c\u1eadn kh\u00e1c nhau \u0111\u1ec3 ch\u1ea1y v\u00e0 qu\u1ea3n l\u00fd \u1ee9ng d\u1ee5ng. Hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng trong ng\u1eef c\u1ea3nh c\u1ee7a Docker.<\/p>\n

    Visualization li\u00ean quan \u0111\u1ebfn vi\u1ec7c ch\u1ea1y nhi\u1ec1u m\u00e1y \u1ea3o (VM) tr\u00ean m\u1ed9t m\u00e1y v\u1eadt l\u00fd. M\u1ed7i VM ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng kh\u00e9p k\u00edn v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh, th\u01b0 vi\u1ec7n v\u00e0 \u1ee9ng d\u1ee5ng ri\u00eang. Tr\u00ecnh \u1ea3o h\u00f3a, l\u00e0 l\u1edbp ph\u1ea7n m\u1ec1m ho\u1eb7c ph\u1ea7n c\u1ee9ng, cho ph\u00e9p t\u1ea1o v\u00e0 qu\u1ea3n l\u00fd c\u00e1c m\u00e1y \u1ea3o n\u00e0y. M\u1ed7i VM ti\u00eau th\u1ee5 c\u00e1c t\u00e0i nguy\u00ean nh\u01b0 CPU, b\u1ed9 nh\u1edb v\u00e0 dung l\u01b0\u1ee3ng \u1ed5 \u0111\u0129a v\u00e0 ch\u1ea1y \u0111\u1ed9c l\u1eadp v\u1edbi c\u00e1c VM kh\u00e1c.<\/p>\n

    M\u1eb7t kh\u00e1c, containerization l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf nh\u1eb9 cho visualization. C\u00e1c b\u1ed9 ch\u1ee9a chia s\u1ebb nh\u00e2n c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u00e1y ch\u1ee7 trong khi cung c\u1ea5p c\u00e1c m\u00f4i tr\u01b0\u1eddng th\u1eddi gian ch\u1ea1y b\u1ecb c\u00f4 l\u1eadp cho c\u00e1c \u1ee9ng d\u1ee5ng. Ch\u00fang hi\u1ec7u qu\u1ea3 h\u01a1n v\u1ec1 m\u1eb7t s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean v\u00ec ch\u00fang kh\u00f4ng y\u00eau c\u1ea7u h\u1ec7 \u0111i\u1ec1u h\u00e0nh ri\u00eang cho t\u1eebng container.<\/p>\n

    Trong visualization, m\u1ed7i m\u00e1y \u1ea3o \u0111\u01b0\u1ee3c c\u00e1ch ly ho\u00e0n to\u00e0n v\u1edbi c\u00e1c m\u00e1y \u1ea3o kh\u00e1c v\u00e0 h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7. S\u1ef1 c\u00f4 l\u1eadp n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea5t k\u1ef3 s\u1ef1 c\u1ed1 ho\u1eb7c thay \u0111\u1ed5i n\u00e0o trong m\u1ed9t m\u00e1y \u1ea3o \u0111\u1ec1u kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c m\u00e1y \u1ea3o kh\u00e1c. Trong containerization, c\u00e1c container chia s\u1ebb nh\u00e2n c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u00e1y ch\u1ee7 nh\u01b0ng cung c\u1ea5p s\u1ef1 c\u00f4 l\u1eadp \u1edf c\u1ea5p \u0111\u1ed9 quy tr\u00ecnh. C\u00e1c container \u0111\u01b0\u1ee3c c\u00e1ch ly v\u1edbi nhau, nh\u01b0ng ch\u00fang kh\u00f4ng b\u1ecb c\u00f4 l\u1eadp nh\u01b0 c\u00e1c m\u00e1y \u1ea3o.<\/p>\n

    7. Ph\u00e2n bi\u1ec7t c\u00e1c l\u1ec7nh COPY v\u00e0 ADD \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong DockerFile<\/strong><\/h3>\n

    C\u1ea3 hai l\u1ec7nh \u0111\u1ec1u c\u00f3 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 nhau, nh\u01b0ng COPY \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n v\u00ec m\u1ee9c \u0111\u1ed9 d\u1ec5 s\u1eed d\u1ee5ng cao h\u01a1n so v\u1edbi ADD.<\/p>\n

    COPY ch\u1ec9 cung c\u1ea5p h\u1ed7 tr\u1ee3 c\u01a1 b\u1ea3n \u0111\u1ec3 sao ch\u00e9p c\u00e1c t\u1ec7p c\u1ee5c b\u1ed9 v\u00e0o container trong khi ADD cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng b\u1ed5 sung nh\u01b0 h\u1ed7 tr\u1ee3 tr\u00edch xu\u1ea5t URL t\u1eeb xa v\u00e0 tar.<\/p>\n

    8. Container c\u00f3 th\u1ec3 t\u1ef1 kh\u1edfi \u0111\u1ed9ng l\u1ea1i kh\u00f4ng?\u00a0<\/strong><\/h3>\n

    C\u00e2u tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Docker n\u00e0y l\u00e0 c\u00f3. Nh\u01b0ng ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c khi s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 l\u1ec7nh do Docker x\u00e1c \u0111\u1ecbnh khi s\u1eed d\u1ee5ng l\u1ec7nh docker run. Sau \u0111\u00e2y l\u00e0 c\u00e1c l\u1ec7nh c\u00f3 s\u1eb5n:<\/p>\n

      \n
    • 1. Off: Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, container s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng l\u1ea1i trong tr\u01b0\u1eddng h\u1ee3p n\u00f3 b\u1ecb d\u1eebng ho\u1eb7c b\u1ecb l\u1ed7i.<\/li>\n
    • 2. On-failure: \u1ede \u0111\u00e2y, container ch\u1ec9 t\u1ef1 kh\u1edfi \u0111\u1ed9ng l\u1ea1i khi g\u1eb7p l\u1ed7i kh\u00f4ng li\u00ean quan \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng.<\/li>\n
    • 3. Unless-stopped: S\u1eed d\u1ee5ng l\u1ec7nh n\u00e0y, ta c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng container ch\u1ec9 c\u00f3 th\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i khi l\u1ec7nh \u0111\u01b0\u1ee3c th\u1ef1c thi \u0111\u1ec3 d\u1eebng container b\u1edfi ng\u01b0\u1eddi d\u00f9ng.<\/li>\n
    • 4. Always: B\u1ea5t k\u1ec3 l\u1ed7i hay d\u1eebng, container lu\u00f4n \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng l\u1ea1i trong lo\u1ea1i l\u1ec7nh n\u00e0y.<\/li>\n<\/ul>\n

      9. H\u00e3y cho bi\u1ebft s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t Docker image v\u00e0 Layer<\/strong><\/h3>\n

      Image: \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb m\u1ed9t lo\u1ea1t c\u00e1c l\u1edbp h\u01b0\u1edbng d\u1eabn ch\u1ec9 \u0111\u1ecdc. M\u1ed9t image t\u01b0\u01a1ng \u1ee9ng v\u1edbi b\u1ed9 ch\u1ee9a Docker v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng nhanh ch\u00f3ng do c\u01a1 ch\u1ebf l\u01b0u v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a t\u1eebng b\u01b0\u1edbc.<\/p>\n

      Layer: M\u1ed7i l\u1edbp t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t h\u01b0\u1edbng d\u1eabn thu\u1ed9c Dockerfile c\u1ee7a image. N\u00f3i m\u1ed9t c\u00e1ch d\u1ec5 hi\u1ec3u, layer c\u0169ng l\u00e0 m\u1ed9t d\u1ea1ng image nh\u01b0ng n\u00f3 l\u00e0 h\u00ecnh \u1ea3nh c\u1ee7a h\u01b0\u1edbng d\u1eabn ch\u1ea1y.<\/p>\n

      10. H\u00e3y cho bi\u1ebft m\u1ee5c \u0111\u00edch c\u1ee7a c\u00e1c l\u1ec7nh up, run v\u00e0 start trong Docker Composer<\/strong><\/h3>\n

      Khi s\u1eed d\u1ee5ng l\u1ec7nh up \u0111\u1ec3 duy tr\u00ec docker-compose up (l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 Always), ch\u00fang ta c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u ho\u1eb7c kh\u1edfi \u0111\u1ed9ng l\u1ea1i t\u1ea5t c\u1ea3 c\u00e1c m\u1ea1ng, d\u1ecbch v\u1ee5 v\u00e0 tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong t\u1ec7p docker-compose.yml. N\u1ebfu b\u1ea1n \u0111ang ch\u1ea1y docker-compose up \u1edf ch\u1ebf \u0111\u1ed9 \u201cattached\u201d th\u00ec b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp t\u1ea5t c\u1ea3 nh\u1eadt k\u00fd t\u1eeb c\u00e1c container. Trong tr\u01b0\u1eddng h\u1ee3p docker-compose \u0111\u01b0\u1ee3c ch\u1ea1y \u1edf ch\u1ebf \u0111\u1ed9 \u201ct\u00e1ch r\u1eddi\u201d, th\u00ec khi c\u00e1c container \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng, n\u00f3 s\u1ebd tho\u00e1t ra v\u00e0 kh\u00f4ng hi\u1ec3n th\u1ecb nh\u1eadt k\u00fd.<\/p>\n

      Khi s\u1eed d\u1ee5ng l\u1ec7nh run, docker-compose c\u00f3 th\u1ec3 ch\u1ea1y c\u00e1c t\u00e1c v\u1ee5 m\u1ed9t l\u1ea7n ho\u1eb7c \u0111\u1eb7c bi\u1ec7t d\u1ef1a tr\u00ean c\u00e1c y\u00eau c\u1ea7u kinh doanh. \u1ede \u0111\u00e2y, t\u00ean d\u1ecbch v\u1ee5 ph\u1ea3i \u0111\u01b0\u1ee3c cung c\u1ea5p v\u00e0 docker ch\u1ec9 b\u1eaft \u0111\u1ea7u d\u1ecbch v\u1ee5 c\u1ee5 th\u1ec3 \u0111\u00f3 v\u00e0 c\u1ea3 c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c m\u00e0 d\u1ecbch v\u1ee5 \u0111\u00edch ph\u1ee5 thu\u1ed9c (n\u1ebfu c\u00f3). L\u1ec7nh n\u00e0y h\u1eefu \u00edch \u0111\u1ec3 ki\u1ec3m tra c\u00e1c container v\u00e0 c\u0169ng th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 nh\u01b0 th\u00eam ho\u1eb7c x\u00f3a d\u1eef li\u1ec7u v\u00e0o c\u00e1c container, v.v.<\/p>\n

      Khi s\u1eed d\u1ee5ng l\u1ec7nh start, ch\u1ec9 nh\u1eefng container \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o v\u00e0 sau \u0111\u00f3 d\u1eebng l\u1ea1i m\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng l\u1ea1i. \u0110i\u1ec1u n\u00e0y kh\u00f4ng h\u1eefu \u00edch \u0111\u1ec3 t\u1ef1 t\u1ea1o container m\u1edbi.<\/p>\n

      C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Docker n\u00e2ng cao\u00a0<\/strong><\/h2>\n

      11. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng JSON thay cho YAML trong khi ph\u00e1t tri\u1ec3n t\u1ec7p docker-compose trong trong Docker kh\u00f4ng?\u00a0<\/strong><\/h3>\n

      C\u00e2u tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Docker n\u00e2ng cao n\u00e0y l\u00e0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3! JSON c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay cho YAML. \u0110\u1ec3 ch\u1ea1y docker-compose v\u1edbi JSON, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u1ec7nh: docker-compose -f docker-compose.json up.<\/p>\n

      12. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ea1y bao nhi\u00eau container trong docker v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u1edbi h\u1ea1n n\u00e0y l\u00e0 g\u00ec?<\/strong><\/h3>\n

      Kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng \u0111\u1ed1i v\u1edbi s\u1ed1 l\u01b0\u1ee3ng container c\u00f3 th\u1ec3 ch\u1ea1y trong docker. Nh\u01b0ng t\u1ea5t c\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eefng h\u1ea1n ch\u1ebf \u2013 c\u1ee5 th\u1ec3 h\u01a1n l\u00e0 nh\u1eefng h\u1ea1n ch\u1ebf v\u1ec1 ph\u1ea7n c\u1ee9ng. K\u00edch th\u01b0\u1edbc c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 t\u00e0i nguy\u00ean CPU c\u00f3 s\u1eb5n l\u00e0 2 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u1edbi h\u1ea1n n\u00e0y. Trong tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n kh\u00f4ng l\u1edbn l\u1eafm v\u00e0 b\u1ea1n c\u00f3 nhi\u1ec1u t\u00e0i nguy\u00ean CPU, th\u00ec b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea1y m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c container.<\/p>\n

      13. M\u00f4 t\u1ea3 v\u00f2ng \u0111\u1eddi c\u1ee7a Docker Composer\u00a0<\/strong><\/h3>\n

      C\u00e1c giai \u0111o\u1ea1n kh\u00e1c nhau c\u1ee7a docker container t\u1eeb khi b\u1eaft \u0111\u1ea7u t\u1ea1o n\u00f3 cho \u0111\u1ebfn khi k\u1ebft th\u00fac \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u00f2ng \u0111\u1eddi c\u1ee7a docker container.<\/p>\n

      C\u00e1c giai \u0111o\u1ea1n quan tr\u1ecdng nh\u1ea5t l\u00e0:<\/p>\n

        \n
      • Created: \u0110\u00e2y l\u00e0 tr\u1ea1ng th\u00e1i container v\u1eeba \u0111\u01b0\u1ee3c t\u1ea1o m\u1edbi nh\u01b0ng ch\u01b0a b\u1eaft \u0111\u1ea7u.<\/li>\n
      • Running: \u1ede tr\u1ea1ng th\u00e1i n\u00e0y, container s\u1ebd ch\u1ea1y v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c quy tr\u00ecnh li\u00ean quan c\u1ee7a n\u00f3.<\/li>\n
      • Paused: Tr\u1ea1ng th\u00e1i n\u00e0y x\u1ea3y ra khi container \u0111ang ch\u1ea1y b\u1ecb t\u1ea1m d\u1eebng.<\/li>\n
      • Stopped: Tr\u1ea1ng th\u00e1i n\u00e0y x\u1ea3y ra khi container \u0111ang ch\u1ea1y \u0111\u00e3 b\u1ecb d\u1eebng.<\/li>\n
      • Deleted: Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, container \u0111ang \u1edf tr\u1ea1ng th\u00e1i ch\u1ebft.<\/li>\n<\/ul>\n

        14. L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 s\u1eed d\u1ee5ng Docker cho nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng?\u00a0<\/strong><\/h3>\n

        T\u00ednh n\u0103ng Docker-compose s\u1ebd gi\u00fap b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Docker cho nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng. Trong t\u1ec7p docker-compose, ch\u00fang ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh nhi\u1ec1u d\u1ecbch v\u1ee5, m\u1ea1ng v\u00e0 container c\u00f9ng v\u1edbi \u00e1nh x\u1ea1 \u00e2m l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng, sau \u0111\u00f3 ch\u00fang ta ch\u1ec9 c\u1ea7n g\u1ecdi l\u1ec7nh \u201cdocker-compose up\u201d.<\/p>\n

        Khi c\u00f3 nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng li\u00ean quan \u2013 \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u00e1y ch\u1ee7 ph\u00e1t tri\u1ec3n, d\u00e0n d\u1ef1ng, uat ho\u1eb7c s\u1ea3n xu\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c quy tr\u00ecnh v\u00e0 quy tr\u00ecnh ph\u1ee5 thu\u1ed9c d\u00e0nh ri\u00eang cho m\u00e1y ch\u1ee7 \u0111\u1ec3 ch\u1ea1y \u1ee9ng d\u1ee5ng. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c t\u1ea1o c\u00e1c t\u1ec7p docker-compose d\u00e0nh ri\u00eang cho m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u00ean \u201cdocker-compose.{environment}.yml\u201d, sau \u0111\u00f3 d\u1ef1a tr\u00ean m\u00f4i tr\u01b0\u1eddng, ch\u00fang ta c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp v\u00e0 ch\u1ea1y \u1ee9ng d\u1ee5ng.<\/p>\n

        15. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng container 1 ch\u1ea1y tr\u01b0\u1edbc container 2 trong khi s\u1eed d\u1ee5ng docker compose?<\/strong><\/h3>\n

        Docker-compose kh\u00f4ng \u0111\u1ee3i b\u1ea5t k\u1ef3 container n\u00e0o \u201cs\u1eb5n s\u00e0ng\u201d tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c v\u1edbi c\u00e1c container ti\u1ebfp theo. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u1ee9 t\u1ef1 th\u1ef1c hi\u1ec7n, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o l\u1ec7nh sau:<\/p>\n

        L\u1ec7nh \u201cdepends_on\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong phi\u00ean b\u1ea3n 2 c\u1ee7a docker-compose c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 minh h\u1ecda trong t\u1ec7p docker-compose.yml m\u1eabu b\u00ean d\u01b0\u1edbi:<\/p>\n

        version: \u201c2.4\u201d<\/p>\n

        services:<\/p>\n

        \u00a0backend:<\/p>\n

        \u00a0\u00a0\u00a0build: .<\/p>\n

        \u00a0\u00a0\u00a0depends_on:<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u2013 db<\/p>\n

        \u00a0db:<\/p>\n

        \u00a0\u00a0\u00a0image: postgres<\/p>\n

        Vi\u1ec7c gi\u1edbi thi\u1ec7u c\u00e1c ph\u1ee5 thu\u1ed9c d\u1ecbch v\u1ee5 c\u00f3 nhi\u1ec1u nguy\u00ean nh\u00e2n v\u00e0 t\u00e1c \u0111\u1ed9ng kh\u00e1c nhau:<\/p>\n

          \n
        • L\u1ec7nh docker-compose up b\u1eaft \u0111\u1ea7u v\u00e0 ch\u1ea1y c\u00e1c d\u1ecbch v\u1ee5 theo th\u1ee9 t\u1ef1 ph\u1ee5 thu\u1ed9c \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. \u0110\u1ed1i v\u1edbi v\u00ed d\u1ee5 tr\u00ean, b\u1ed9 ch\u1ee9a DB \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u tr\u01b0\u1edbc ph\u1ea7n ph\u1ee5 tr\u1ee3.<\/li>\n
        • docker-compose up SERVICE_NAME theo m\u1eb7c \u0111\u1ecbnh bao g\u1ed3m c\u00e1c ph\u1ea7n ph\u1ee5 thu\u1ed9c \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi d\u1ecbch v\u1ee5. Trong v\u00ed d\u1ee5 \u0111\u00e3 cho, vi\u1ec7c ch\u1ea1y ch\u01b0\u01a1ng tr\u00ecnh ph\u1ee5 tr\u1ee3 docker-compose up s\u1ebd t\u1ea1o v\u00e0 kh\u1edfi \u0111\u1ed9ng DB (s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh ph\u1ee5 tr\u1ee3).<\/li>\n
        • Cu\u1ed1i c\u00f9ng, l\u1ec7nh docker-compose stop c\u0169ng d\u1eebng c\u00e1c d\u1ecbch v\u1ee5 theo th\u1ee9 t\u1ef1 ph\u1ee5 thu\u1ed9c \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. \u0110\u1ed1i v\u1edbi v\u00ed d\u1ee5 \u0111\u00e3 cho, d\u1ecbch v\u1ee5 ph\u1ee5 tr\u1ee3 b\u1ecb d\u1eebng tr\u01b0\u1edbc d\u1ecbch v\u1ee5 DB.<\/li>\n<\/ul>\n

          K\u1ebft lu\u1eadn<\/strong><\/h2>\n

          V\u1eady l\u00e0 Masterskills \u0111\u00e3 c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u top 15 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Docker<\/strong> ph\u1ed5 bi\u1ebfn nh\u1ea5t. Hy v\u1ecdng nh\u1eefng g\u1ee3i \u00fd tr\u00ean s\u1ebd gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 chu\u1ea9n b\u1ecb t\u1ed1t nh\u1ea5t cho bu\u1ed5i ph\u1ecfng v\u1ea5n s\u1eafp t\u1edbi. N\u1ebfu c\u1ea3m th\u1ea5y h\u1ee9ng th\u00fa v\u1edbi ch\u1ee7 \u0111\u1ec1 t\u01b0\u01a1ng t\u1ef1, h\u00e3y gh\u00e9 qua Blog c\u1ee7a Masterskills \u0111\u1ec3 t\u00ecm hi\u1ec3u th\u00eam nhi\u1ec1u b\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n ch\u1ea5t l\u01b0\u1ee3ng d\u00e0nh cho Coder v\u00e0 Developer nh\u00e9!<\/p>\n

          Theo Interviewbit<\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

          Docker l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu v\u00e0 quen thu\u1ed9c \u0111\u1ed1i v\u1edbi nhi\u1ec1u Coder v\u00e0 Developer, \u0111\u01b0\u1ee3c d\u00f9ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 tri\u1ec3n khai v\u00e0 qu\u1ea3n l\u00fd \u1ee9ng d\u1ee5ng. N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb cho m\u1ed9t cu\u1ed9c ph\u1ecfng v\u1ea5n li\u00ean quan \u0111\u1ebfn Docker, th\u00ec vi\u1ec7c n\u1eafm v\u1eefng c\u00e1ch tr\u1ea3 l\u1eddi cho c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[181],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/50086"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=50086"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/50086\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=50086"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=50086"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=50086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}