{"id":1922,"date":"2026-03-23T18:53:31","date_gmt":"2026-03-23T18:53:31","guid":{"rendered":"https:\/\/www.viz-note.com\/vi\/understanding-four-levels-c4-model-system-design\/"},"modified":"2026-03-23T18:53:31","modified_gmt":"2026-03-23T18:53:31","slug":"understanding-four-levels-c4-model-system-design","status":"publish","type":"post","link":"https:\/\/www.viz-note.com\/vi\/understanding-four-levels-c4-model-system-design\/","title":{"rendered":"Hi\u1ec3u v\u1ec1 B\u1ed1n M\u1ee9c \u0111\u1ed9 c\u1ee7a M\u00f4 h\u00ecnh C4 trong Thi\u1ebft k\u1ebf H\u1ec7 th\u1ed1ng"},"content":{"rendered":"

Ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m th\u01b0\u1eddng l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c v\u1ec1 giao ti\u1ebfp. C\u00e1c nh\u00f3m g\u1eb7p kh\u00f3 kh\u0103n khi th\u1ed1ng nh\u1ea5t v\u1ec1 c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng, lu\u1ed3ng d\u1eef li\u1ec7u \u0111i nh\u01b0 th\u1ebf n\u00e0o v\u00e0 ranh gi\u1edbi n\u1eb1m \u1edf \u0111\u00e2u. Kh\u00f4ng c\u00f3 m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn chu\u1ea9n h\u00f3a, c\u00e1c s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean l\u1ed9n x\u1ed9n, g\u00e2y nh\u1ea7m l\u1eabn ho\u1eb7c qu\u00e1 c\u1ee5 th\u1ec3. M\u00f4 h\u00ecnh C4 cung c\u1ea5p m\u1ed9t c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p \u0111\u1ec3 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m. N\u00f3 cho ph\u00e9p c\u00e1c nh\u00f3m tr\u1ef1c quan h\u00f3a c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 chi ti\u1ebft kh\u00e1c nhau.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 b\u1ed1n m\u1ee9c \u0111\u1ed9 c\u1ee7a M\u00f4 h\u00ecnh C4. Ch\u00fang ta s\u1ebd xem x\u00e9t khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng t\u1eebng m\u1ee9c \u0111\u1ed9, \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau l\u00e0 ai, v\u00e0 c\u00e1ch duy tr\u00ec s\u1ef1 r\u00f5 r\u00e0ng trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n. B\u1eb1ng c\u00e1ch tu\u00e2n theo khung n\u00e0y, c\u00e1c nh\u00f3m c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ki\u1ebfn th\u1ee9c v\u1ec1 ki\u1ebfn tr\u00fac v\u1eabn lu\u00f4n d\u1ec5 ti\u1ebfp c\u1eadn v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n

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\"Marker-style<\/figure>\n<\/div>\n

\ud83d\udcca T\u1ed5ng quan v\u1ec1 M\u00f4 h\u00ecnh C4<\/h2>\n

M\u00f4 h\u00ecnh C4 \u0111\u1ea1i di\u1ec7n cho B\u1ed1i c\u1ea3nh, Th\u00f9ng ch\u1ee9a, Th\u00e0nh ph\u1ea7n v\u00e0 M\u00e3 ngu\u1ed3n. \u0110\u00f3 l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p \u0111i t\u1eeb b\u1ee9c tranh t\u1ed5ng th\u1ec3 \u0111\u1ebfn tri\u1ec3n khai c\u1ee5 th\u1ec3. M\u1ed7i m\u1ee9c \u0111\u1ed9 tr\u1ea3 l\u1eddi nh\u1eefng c\u00e2u h\u1ecfi kh\u00e1c nhau cho c\u00e1c b\u00ean li\u00ean quan kh\u00e1c nhau. M\u00f4 h\u00ecnh n\u00e0y kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7, ngh\u0129a l\u00e0 n\u00f3 t\u1eadp trung v\u00e0o c\u1ea5u tr\u00fac v\u00e0 tr\u00e1ch nhi\u1ec7m thay v\u00ec c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh hay n\u1ec1n t\u1ea3ng c\u1ee5 th\u1ec3.<\/p>\n

S\u1eed d\u1ee5ng m\u1ed9t s\u01a1 \u0111\u1ed3 duy nh\u1ea5t \u0111\u1ec3 gi\u1ea3i th\u00edch m\u1ecdi th\u1ee9 th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn qu\u00e1 t\u1ea3i nh\u1eadn th\u1ee9c. M\u00f4 h\u00ecnh C4 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng nhi\u1ec1u s\u01a1 \u0111\u1ed3 cho c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng, m\u1ed7i s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c ph\u00f3ng to \u1edf \u0111\u1ed9 s\u00e2u kh\u00e1c nhau.<\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u00f3m t\u1eaft v\u1ec1 b\u1ed1n m\u1ee9c \u0111\u1ed9:<\/p>\n\n\n\n\n\n\n\n\n
M\u1ee9c \u0111\u1ed9<\/th>\nT\u00ean<\/th>\nTr\u1ecdng t\u00e2m<\/th>\n\u0110\u1ed1i t\u01b0\u1ee3ng th\u01b0\u1eddng g\u1eb7p<\/th>\n\u0110\u1ed9 chi ti\u1ebft<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nB\u1ed1i c\u1ea3nh<\/td>\nRanh gi\u1edbi h\u1ec7 th\u1ed1ng<\/td>\nC\u00e1c b\u00ean li\u00ean quan, Qu\u1ea3n l\u00fd<\/td>\nTh\u1ea5p<\/td>\n<\/tr>\n
2<\/td>\nTh\u00f9ng ch\u1ee9a<\/td>\nL\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7<\/td>\nL\u1eadp tr\u00ecnh vi\u00ean, Ki\u1ebfn tr\u00fac s\u01b0<\/td>\nTrung b\u00ecnh<\/td>\n<\/tr>\n
3<\/td>\nTh\u00e0nh ph\u1ea7n<\/td>\nLogic b\u00ean trong<\/td>\nL\u1eadp tr\u00ecnh vi\u00ean<\/td>\nCao<\/td>\n<\/tr>\n
4<\/td>\nM\u00e3 ngu\u1ed3n<\/td>\nChi ti\u1ebft tri\u1ec3n khai<\/td>\nNh\u00e0 ph\u00e1t tri\u1ec3n, Ng\u01b0\u1eddi ki\u1ec3m tra m\u00e3<\/td>\nR\u1ea5t cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\ud83c\udf0d M\u1ee9c 1: H\u1ec7 th\u1ed1ng trong b\u1ed1i c\u1ea3nh<\/h2>\n

M\u1ee9c \u0111\u1ea7u ti\u00ean cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan. N\u00f3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: \u201cH\u1ec7 th\u1ed1ng n\u00e0y ph\u00f9 h\u1ee3p nh\u01b0 th\u1ebf n\u00e0o trong th\u1ebf gi\u1edbi r\u1ed9ng l\u1edbn h\u01a1n?\u201d S\u01a1 \u0111\u1ed3 n\u00e0y th\u01b0\u1eddng l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho b\u1ea5t k\u1ef3 cu\u1ed9c th\u1ea3o lu\u1eadn ki\u1ebfn tr\u00fac n\u00e0o.<\/p>\n

\ud83c\udfaf M\u1ee5c \u0111\u00edch v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a s\u01a1 \u0111\u1ed3 m\u1ee9c 1 l\u00e0 x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi. S\u01a1 \u0111\u1ed3 n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho \u0111\u1ed1i t\u01b0\u1ee3ng r\u1ed9ng r\u00e3i, bao g\u1ed3m c\u00e1c qu\u1ea3n l\u00fd s\u1ea3n ph\u1ea9m, c\u00e1c b\u00ean li\u00ean quan kinh doanh v\u00e0 th\u00e0nh vi\u00ean m\u1edbi trong nh\u00f3m. Nh\u1eefng c\u00e1 nh\u00e2n n\u00e0y c\u1ea7n hi\u1ec3u \u0111\u01b0\u1ee3c l\u1ee3i th\u1ebf gi\u00e1 tr\u1ecb v\u00e0 c\u00e1c ph\u1ee5 thu\u1ed9c b\u00ean ngo\u00e0i m\u00e0 kh\u00f4ng b\u1ecb m\u1eafc k\u1eb9t v\u00e0o chi ti\u1ebft k\u1ef9 thu\u1eadt.<\/p>\n

\ud83d\udcdd Nh\u1eefng g\u00ec c\u1ea7n bao g\u1ed3m<\/h3>\n

S\u01a1 \u0111\u1ed3 b\u1ed1i c\u1ea3nh n\u00ean bao g\u1ed3m c\u00e1c y\u1ebfu t\u1ed1 sau:<\/p>\n

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  • Ch\u00ednh h\u1ec7 th\u1ed1ng:<\/strong>\u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng m\u1ed9t h\u1ed9p trung t\u00e2m. \u0110\u00e2y l\u00e0 ph\u1ea7n m\u1ec1m ho\u1eb7c d\u1ecbch v\u1ee5 \u0111ang \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a.<\/li>\n
  • Con ng\u01b0\u1eddi:<\/strong>Ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c c\u00e1c t\u00e1c nh\u00e2n t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng. Bao g\u1ed3m qu\u1ea3n tr\u1ecb vi\u00ean, ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i ho\u1eb7c kh\u00e1ch h\u00e0ng b\u00ean ngo\u00e0i.<\/li>\n
  • C\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c:<\/strong>C\u00e1c d\u1ecbch v\u1ee5 b\u00ean ngo\u00e0i m\u00e0 h\u1ec7 th\u1ed1ng giao ti\u1ebfp v\u1edbi. V\u00ed d\u1ee5 bao g\u1ed3m c\u1ed5ng thanh to\u00e1n, d\u1ecbch v\u1ee5 email ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u0169.<\/li>\n
  • M\u1ed1i quan h\u1ec7:<\/strong>C\u00e1c \u0111\u01b0\u1eddng n\u1ed1i h\u1ec7 th\u1ed1ng v\u1edbi con ng\u01b0\u1eddi ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c. Nh\u1eefng \u0111\u01b0\u1eddng n\u00e0y \u0111\u1ea1i di\u1ec7n cho lu\u1ed3ng d\u1eef li\u1ec7u ho\u1eb7c t\u01b0\u01a1ng t\u00e1c.<\/li>\n<\/ul>\n

    \ud83d\udeab Nh\u1eefng g\u00ec c\u1ea7n tr\u00e1nh<\/h3>\n

    Kh\u00f4ng n\u00ean bao g\u1ed3m chi ti\u1ebft n\u1ed9i b\u1ed9 \u1edf giai \u0111o\u1ea1n n\u00e0y. Tr\u00e1nh hi\u1ec3n th\u1ecb c\u00e1c m\u00e1y ch\u1ee7 c\u1ee5 th\u1ec3, b\u1ea3ng c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c \u0111i\u1ec3m cu\u1ed1i API. Gi\u1eef g\u00f3c nh\u00ecn tr\u1eebu t\u01b0\u1ee3ng \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 v\u1eabn h\u1ee3p l\u1ec7 ngay c\u1ea3 khi c\u00f4ng ngh\u1ec7 n\u1ed9i b\u1ed9 thay \u0111\u1ed5i.<\/p>\n

    \ud83d\udce6 M\u1ee9c 2: C\u00e1c container<\/h2>\n

    Sau khi x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi, m\u1ee9c th\u1ee9 hai ph\u00f3ng to \u0111\u1ec3 ti\u1ebft l\u1ed9 nh\u1eefng g\u00ec t\u1ea1o n\u00ean h\u1ec7 th\u1ed1ng. M\u1ed9t container l\u00e0 kh\u1ed1i x\u00e2y d\u1ef1ng c\u1ea5p cao. N\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t m\u00f4i tr\u01b0\u1eddng ch\u1ea1y \u0111\u1ed9c l\u1eadp.<\/p>\n

    \ud83c\udfaf M\u1ee5c \u0111\u00edch v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

    S\u01a1 \u0111\u1ed3 m\u1ee9c 2 ch\u1ee7 y\u1ebfu d\u00e0nh cho nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 ki\u1ebfn tr\u00fac s\u01b0. H\u1ecd c\u1ea7n bi\u1ebft h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c tri\u1ec3n khai nh\u01b0 th\u1ebf n\u00e0o v\u00e0 c\u00f4ng ngh\u1ec7 n\u00e0o \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. M\u1ee9c n\u00e0y c\u1ea7u n\u1ed1i kho\u1ea3ng c\u00e1ch gi\u1eefa y\u00eau c\u1ea7u kinh doanh v\u00e0 tri\u1ec3n khai k\u1ef9 thu\u1eadt.<\/p>\n

    \ud83d\udcdd Nh\u1eefng g\u00ec c\u1ea7n bao g\u1ed3m<\/h3>\n

    S\u01a1 \u0111\u1ed3 container chia h\u1ed9p h\u1ec7 th\u1ed1ng t\u1eeb m\u1ee9c 1 th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh. C\u00e1c th\u00e0nh ph\u1ea7n ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n

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    • \u1ee8ng d\u1ee5ng web:<\/strong>Giao di\u1ec7n d\u1ef1a tr\u00ean tr\u00ecnh duy\u1ec7t ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng trang \u0111\u01a1n (SPAs).<\/li>\n
    • \u1ee8ng d\u1ee5ng di \u0111\u1ed9ng:<\/strong>\u1ee8ng d\u1ee5ng g\u1ed1c cho iOS ho\u1eb7c Android.<\/li>\n
    • \u1ee8ng d\u1ee5ng ph\u00eda m\u00e1y ch\u1ee7:<\/strong>C\u00e1c d\u1ecbch v\u1ee5 ph\u00eda m\u00e1y ch\u1ee7 ch\u1ea1y tr\u00ean m\u00e1y ch\u1ee7 ho\u1eb7c n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y.<\/li>\n
    • C\u01a1 s\u1edf d\u1eef li\u1ec7u:<\/strong>C\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef b\u1ec1n v\u1eefng, d\u00f9 l\u00e0 SQL hay NoSQL.<\/li>\n
    • D\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y:<\/strong>C\u00e1c d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi b\u00ean th\u1ee9 ba, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u01b0u tr\u1eef \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c h\u00e0ng \u0111\u1ee3i tin nh\u1eafn.<\/li>\n<\/ul>\n

      C\u00e1c k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c container c\u1ea7n th\u1ec3 hi\u1ec7n c\u00e1ch ch\u00fang giao ti\u1ebfp v\u1edbi nhau. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c giao th\u1ee9c nh\u01b0 HTTP, TCP\/IP ho\u1eb7c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n

      \ud83d\udeab \u0110i\u1ec1u c\u1ea7n tr\u00e1nh<\/h3>\n

      Tr\u00e1nh hi\u1ec3n th\u1ecb c\u00e1c microservice c\u1ee5 th\u1ec3 tr\u1eeb khi ch\u00fang l\u00e0 c\u00e1c container ri\u00eang bi\u1ec7t. Kh\u00f4ng li\u1ec7t k\u00ea t\u1eebng h\u00e0m hay l\u1edbp b\u00ean trong m\u1ed9t container. N\u1ebfu m\u1ed9t container ch\u1ee9a nhi\u1ec1u d\u1ecbch v\u1ee5, t\u1ed1t h\u01a1n h\u1ebft l\u00e0 chia ch\u00fang th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 ri\u00eang bi\u1ec7t thay v\u00ec l\u00e0m r\u1ed1i m\u1eaft ng\u01b0\u1eddi xem.<\/p>\n

      \u2699\ufe0f M\u1ee9c 3: Th\u00e0nh ph\u1ea7n<\/h2>\n

      M\u1ee9c 3 t\u1eadp trung v\u00e0o c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t container duy nh\u1ea5t. N\u00f3 chia nh\u1ecf container th\u00e0nh nh\u1eefng m\u1ea3nh nh\u1ecf h\u01a1n, d\u1ec5 qu\u1ea3n l\u00fd g\u1ecdi l\u00e0 th\u00e0nh ph\u1ea7n.<\/p>\n

      \ud83c\udfaf M\u1ee5c \u0111\u00edch v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

      M\u1ee9c n\u00e0y d\u00e0nh cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n l\u00e0m vi\u1ec7c trong h\u1ec7 th\u1ed1ng. N\u00f3 gi\u00fap h\u1ecd hi\u1ec3u \u0111\u01b0\u1ee3c ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3 n\u1eb1m \u1edf \u0111\u00e2u v\u00e0 c\u00e1c ph\u1ea7n kh\u00e1c nhau trong codebase t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o. \u0110\u00e2y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho vi\u1ec7c \u0111\u00e0o t\u1ea1o k\u1ef9 s\u01b0 m\u1edbi v\u00e0 l\u00ean k\u1ebf ho\u1ea1ch ph\u00e1t tri\u1ec3n t\u00ednh n\u0103ng.<\/p>\n

      \ud83d\udcdd Nh\u1eefng g\u00ec c\u1ea7n bao g\u1ed3m<\/h3>\n

      C\u00e1c th\u00e0nh ph\u1ea7n l\u00e0 c\u00e1c nh\u00f3m ch\u1ee9c n\u0103ng theo logic. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ea1i di\u1ec7n cho:<\/p>\n

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      • Th\u01b0 vi\u1ec7n ph\u1ea7n m\u1ec1m:<\/strong>C\u00e1c kh\u1ed1i m\u00e3 t\u00e1i s\u1eed d\u1ee5ng.<\/li>\n
      • C\u00e1c m\u00f4-\u0111un:<\/strong>Nh\u1eefng ph\u1ea7n ri\u00eang bi\u1ec7t c\u1ee7a logic \u1ee9ng d\u1ee5ng.<\/li>\n
      • C\u00e1c l\u1edbp:<\/strong>C\u00e1c c\u1ea5u tr\u00fac h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee5 th\u1ec3.<\/li>\n
      • C\u00e1c h\u00e0m:<\/strong>C\u00e1c th\u1ee7 t\u1ee5c ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c \u0111\u1ed9c l\u1eadp.<\/li>\n<\/ul>\n

        \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 nh\u00f3m c\u00e1c th\u00e0nh ph\u1ea7n theo tr\u00e1ch nhi\u1ec7m. M\u1ed9t th\u00e0nh ph\u1ea7n c\u1ea7n c\u00f3 m\u1ee5c \u0111\u00edch r\u00f5 r\u00e0ng. V\u00ed d\u1ee5, m\u1ed9t th\u00e0nh ph\u1ea7n ‘X\u1eed l\u00fd thanh to\u00e1n’ c\u00f3 th\u1ec3 bao g\u1ed3m logic x\u00e1c th\u1ef1c th\u1ebb t\u00edn d\u1ee5ng v\u00e0 giao ti\u1ebfp v\u1edbi c\u1ed5ng thanh to\u00e1n.<\/p>\n

        \ud83d\udeab \u0110i\u1ec1u c\u1ea7n tr\u00e1nh<\/h3>\n

        Kh\u00f4ng v\u1ebd t\u1eebng l\u1edbp c\u1ee5 th\u1ec3 trong h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u01a1 \u0111\u1ed3 kh\u00f4ng th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c. H\u00e3y t\u1eadp trung v\u00e0o c\u00e1c quy\u1ebft \u0111\u1ecbnh ki\u1ebfn tr\u00fac ch\u00ednh v\u00e0 c\u00e1c \u0111\u01b0\u1eddng \u0111i quan tr\u1ecdng. N\u1ebfu m\u1ed9t th\u00e0nh ph\u1ea7n qu\u00e1 ph\u1ee9c t\u1ea1p, c\u00f3 th\u1ec3 c\u1ea7n m\u1ed9t s\u01a1 \u0111\u1ed3 con ri\u00eang cho n\u00f3.<\/p>\n

        \ud83d\udcbb M\u1ee9c 4: M\u00e3 ngu\u1ed3n<\/h2>\n

        M\u1ee9c th\u1ee9 t\u01b0 l\u00e0 chi ti\u1ebft nh\u1ea5t. N\u00f3 x\u1eed l\u00fd c\u1ea5u tr\u00fac m\u00e3 ngu\u1ed3n th\u1ef1c t\u1ebf. Tuy nhi\u00ean, m\u1ee9c n\u00e0y th\u01b0\u1eddng l\u00e0 t\u00f9y ch\u1ecdn. Nhi\u1ec1u nh\u00f3m ph\u00e1t hi\u1ec7n r\u1eb1ng m\u1ee9c 3 l\u00e0 \u0111\u1ee7 cho ph\u1ea7n l\u1edbn t\u00e0i li\u1ec7u ki\u1ebfn tr\u00fac.<\/p>\n

        \ud83c\udfaf M\u1ee5c \u0111\u00edch v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng<\/h3>\n

        S\u01a1 \u0111\u1ed3 m\u00e3 ngu\u1ed3n d\u00e0nh cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u1ea7n hi\u1ec3u chi ti\u1ebft tri\u1ec3n khai c\u1ee5 th\u1ec3. Ch\u00fang h\u1eefu \u00edch cho c\u00e1c thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p, lu\u1ed3ng b\u1ea3o m\u1eadt quan tr\u1ecdng ho\u1eb7c c\u00e1c ph\u1ea7n quan tr\u1ecdng v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p>\n

        \ud83d\udcdd Nh\u1eefng g\u00ec c\u1ea7n bao g\u1ed3m<\/h3>\n

        \u1ede m\u1ee9c n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 minh h\u1ecda:<\/p>\n

          \n
        • S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1:<\/strong> Hi\u1ec3n th\u1ecb th\u1ee9 t\u1ef1 c\u00e1c thao t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n
        • S\u01a1 \u0111\u1ed3 l\u1edbp:<\/strong> Hi\u1ec3n th\u1ecb t\u00ednh k\u1ebf th\u1eeba v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c l\u1edbp.<\/li>\n
        • C\u1ea5u tr\u00fac d\u1eef li\u1ec7u:<\/strong> C\u00e1c m\u00f4 h\u00ecnh d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u1ed9 nh\u1edb.<\/li>\n<\/ul>\n

          M\u1ee9c \u0111\u1ed9 n\u00e0y th\u01b0\u1eddng tr\u00f9ng l\u1eb7p v\u1edbi t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m ti\u00eau chu\u1ea9n. M\u00f4 h\u00ecnh C4 \u0111\u1ec1 xu\u1ea5t s\u1eed d\u1ee5ng n\u00f3 m\u1ed9t c\u00e1ch ti\u1ebft ch\u1ebf \u0111\u1ec3 tr\u00e1nh chi ph\u00ed b\u1ea3o tr\u00ec.<\/p>\n

          \ud83d\udeab \u0110i\u1ec1u c\u1ea7n tr\u00e1nh<\/h3>\n

          Kh\u00f4ng n\u00ean bao g\u1ed3m t\u00ean bi\u1ebfn ho\u1eb7c k\u00fd hi\u1ec7u ph\u01b0\u01a1ng th\u1ee9c c\u1ee5 th\u1ec3 tr\u1eeb khi ch\u00fang quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ki\u1ebfn tr\u00fac. N\u1ebfu b\u1ea1n c\u1ea7n ghi ch\u00e9p logic m\u00e3 ngu\u1ed3n c\u1ee5 th\u1ec3, ch\u00fa th\u00edch m\u00e3 ngu\u1ed3n ho\u1eb7c trang wiki k\u1ef9 thu\u1eadt chuy\u00ean bi\u1ec7t th\u01b0\u1eddng t\u1ed1t h\u01a1n l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3.<\/p>\n

          \ud83d\udee0\ufe0f C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho vi\u1ec7c b\u1ea3o tr\u00ec s\u01a1 \u0111\u1ed3<\/h2>\n

          Vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 ch\u1ec9 l\u00e0 m\u1ed9t n\u1eeda c\u00f4ng vi\u1ec7c. Duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang theo th\u1eddi gian l\u00e0 \u0111i\u1ec1u then ch\u1ed1t. Nh\u1eefng s\u01a1 \u0111\u1ed3 l\u1ed7i th\u1eddi c\u00f3 th\u1ec3 g\u00e2y hi\u1ec3u l\u1ea7m cho \u0111\u1ed9i nh\u00f3m v\u00e0 d\u1eabn \u0111\u1ebfn n\u1ee3 k\u1ef9 thu\u1eadt.<\/p>\n

          \ud83d\udd04 T\u00edch h\u1ee3p v\u1edbi quy tr\u00ecnh l\u00e0m vi\u1ec7c<\/h3>\n

          T\u00edch h\u1ee3p vi\u1ec7c c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 v\u00e0o quy tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ea1n. Xem t\u00e0i li\u1ec7u ki\u1ebfn tr\u00fac nh\u01b0 m\u00e3 ngu\u1ed3n. Khi m\u1ed9t y\u00eau c\u1ea7u h\u1ee3p nh\u1ea5t thay \u0111\u1ed5i c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng, n\u00f3 c\u0169ng n\u00ean c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 li\u00ean quan. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00e0i li\u1ec7u ph\u00e1t tri\u1ec3n song song v\u1edbi ph\u1ea7n m\u1ec1m.<\/p>\n

          \ud83d\udc65 S\u1edf h\u1eefu chung h\u1ee3p t\u00e1c<\/h3>\n

          Giao quy\u1ec1n s\u1edf h\u1eefu s\u01a1 \u0111\u1ed3 cho c\u00e1c th\u00e0nh vi\u00ean c\u1ee5 th\u1ec3 trong \u0111\u1ed9i nh\u00f3m. M\u1ed9t ng\u01b0\u1eddi duy nh\u1ea5t kh\u00f4ng th\u1ec3 duy tr\u00ec to\u00e0n b\u1ed9 t\u00e0i li\u1ec7u ki\u1ebfn tr\u00fac trong m\u1ed9t \u0111\u1ed9i nh\u00f3m \u0111ang ph\u00e1t tri\u1ec3n. Ch\u1ec9 \u0111\u1ecbnh ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho t\u1eebng c\u1ea5p \u0111\u1ed9 container ho\u1eb7c th\u00e0nh ph\u1ea7n.<\/p>\n

          \ud83c\udfa8 T\u00ednh nh\u1ea5t qu\u00e1n v\u1ec1 h\u00ecnh \u1ea3nh<\/h3>\n

          S\u1eed d\u1ee5ng h\u01b0\u1edbng d\u1eabn phong c\u00e1ch nh\u1ea5t qu\u00e1n. X\u00e1c \u0111\u1ecbnh m\u00e0u s\u1eafc cho c\u00e1c lo\u1ea1i th\u00e0nh ph\u1ea7n kh\u00e1c nhau (v\u00ed d\u1ee5: m\u00e0u xanh d\u01b0\u01a1ng cho con ng\u01b0\u1eddi, m\u00e0u xanh l\u00e1 cho c\u01a1 s\u1edf d\u1eef li\u1ec7u). \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc qu\u00e9t s\u01a1 \u0111\u1ed3 nhanh ch\u00f3ng v\u00e0 hi\u1ec3u b\u1ed1 c\u1ee5c m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ecdc t\u1eebng nh\u00e3n.<\/p>\n

          \ud83d\udcc9 Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n

          Ngay c\u1ea3 v\u1edbi m\u00f4 h\u00ecnh t\u1ed1t, c\u00e1c \u0111\u1ed9i nh\u00f3m v\u1eabn c\u00f3 th\u1ec3 m\u1eafc sai l\u1ea7m. Nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn s\u1ebd gi\u00fap duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng t\u00e0i li\u1ec7u c\u1ee7a b\u1ea1n.<\/p>\n

          \u274c Tr\u1ed9n l\u1eabn c\u00e1c c\u1ea5p \u0111\u1ed9<\/h3>\n

          M\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 tr\u1ed9n l\u1eabn c\u00e1c c\u1ea5p \u0111\u1ed9 trong m\u1ed9t s\u01a1 \u0111\u1ed3 duy nh\u1ea5t. Kh\u00f4ng n\u00ean hi\u1ec3n th\u1ecb c\u00e1c l\u1edbp m\u00e3 ngu\u1ed3n b\u00ean trong s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh. Gi\u1eef c\u00e1c c\u1ea5p \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng ri\u00eang bi\u1ec7t. N\u1ebfu m\u1ed9t s\u01a1 \u0111\u1ed3 tr\u00f4ng kh\u00f3 hi\u1ec3u, h\u00e3y ki\u1ec3m tra xem b\u1ea1n c\u00f3 ph\u00f3ng to qu\u00e1 m\u1ee9c hay ch\u01b0a \u0111\u1ee7.<\/p>\n

          \u274c Thi\u1ebft k\u1ebf qu\u00e1 m\u1ee9c<\/h3>\n

          Kh\u00f4ng ph\u1ea3i h\u1ec7 th\u1ed1ng n\u00e0o c\u0169ng c\u1ea7n s\u01a1 \u0111\u1ed3 c\u1ea5p \u0111\u1ed9 4. N\u1ebfu h\u1ec7 th\u1ed1ng \u0111\u01a1n gi\u1ea3n, c\u1ea5p \u0111\u1ed9 2 c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ee7. \u0110\u1eebng \u00e9p bu\u1ed9c m\u00f4 h\u00ecnh \u1edf nh\u1eefng n\u01a1i kh\u00f4ng mang l\u1ea1i gi\u00e1 tr\u1ecb. B\u1eaft \u0111\u1ea7u nh\u1ecf v\u00e0 ch\u1ec9 th\u00eam chi ti\u1ebft khi th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft.<\/p>\n

          \u274c B\u1ecf qua c\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n

          Ch\u00fa tr\u1ecdng v\u00e0o c\u00e1c h\u1ed9p v\u00e0 \u0111\u01b0\u1eddng k\u1ebb, nh\u01b0ng qu\u00ean \u0111i \u00fd ngh\u0129a c\u1ee7a c\u00e1c k\u1ebft n\u1ed1i. \u0110\u1ea3m b\u1ea3o m\u1ecdi \u0111\u01b0\u1eddng k\u1ebb \u0111\u1ec1u c\u00f3 nh\u00e3n m\u00f4 t\u1ea3 d\u1eef li\u1ec7u ho\u1eb7c giao th\u1ee9c \u0111ang \u0111\u01b0\u1ee3c trao \u0111\u1ed5i. C\u00e1c m\u0169i t\u00ean kh\u00f4ng c\u00f3 nh\u00e3n s\u1ebd v\u00f4 d\u1ee5ng khi hi\u1ec3u h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

          \ud83d\udcc8 L\u1ee3i \u00edch c\u1ee7a m\u00f4 h\u00ecnh C4<\/h2>\n

          Vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 c\u1ea5u tr\u00fac n\u00e0y mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho \u0111\u1ed9i nh\u00f3m k\u1ef9 thu\u1eadt.<\/p>\n

            \n
          • Hi\u1ec3u bi\u1ebft chung:<\/strong> T\u1ea5t c\u1ea3 \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t ng\u00f4n ng\u1eef v\u1ec1 ranh gi\u1edbi h\u1ec7 th\u1ed1ng v\u00e0 tr\u00e1ch nhi\u1ec7m.<\/li>\n
          • L\u00ean chuy\u00ean nhanh h\u01a1n:<\/strong>Nh\u1eefng nh\u00e2n vi\u00ean m\u1edbi c\u00f3 th\u1ec3 hi\u1ec3u c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng b\u1eb1ng c\u00e1ch b\u1eaft \u0111\u1ea7u t\u1eeb M\u1ee9c 1 v\u00e0 \u0111i s\u00e2u d\u1ea7n.<\/li>\n
          • \u0110\u1ed9 ph\u1ee9c t\u1ea1p gi\u1ea3m:<\/strong>Vi\u1ec7c chia h\u1ec7 th\u1ed1ng th\u00e0nh c\u00e1c l\u1edbp gi\u00fap d\u1ec5 d\u00e0ng suy lu\u1eadn h\u01a1n.<\/li>\n
          • T\u00ednh linh ho\u1ea1t:<\/strong>M\u00f4 h\u00ecnh n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01a1n th\u1ec3, microservices ho\u1eb7c b\u1ea5t k\u1ef3 th\u1ee9 g\u00ec \u1edf gi\u1eefa.<\/li>\n<\/ul>\n

            \ud83d\udd0d Khi n\u00e0o n\u00ean ng\u1eebng t\u00e0i li\u1ec7u h\u00f3a<\/h2>\n

            S\u1ebd c\u00f3 m\u1ed9t \u0111i\u1ec3m m\u00e0 l\u1ee3i \u00edch gi\u1ea3m d\u1ea7n. N\u1ebfu b\u1ea1n d\u00e0nh nhi\u1ec1u th\u1eddi gian h\u01a1n \u0111\u1ec3 c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 so v\u1edbi vi\u1ebft m\u00e3, c\u00f3 l\u1ebd b\u1ea1n \u0111ang t\u00e0i li\u1ec7u h\u00f3a qu\u00e1 m\u1ee9c. H\u00e3y d\u00f9ng l\u00fd tr\u00ed c\u1ee7a b\u1ea1n.<\/p>\n

            H\u00e3y t\u1ef1 h\u1ecfi b\u1ea3n th\u00e2n:<\/p>\n

              \n
            • S\u01a1 \u0111\u1ed3 n\u00e0y c\u00f3 gi\u00fap t\u00f4i hi\u1ec3u h\u1ec7 th\u1ed1ng kh\u00f4ng?<\/li>\n
            • S\u01a1 \u0111\u1ed3 n\u00e0y c\u00f3 gi\u00fap ng\u01b0\u1eddi kh\u00e1c hi\u1ec3u h\u1ec7 th\u1ed1ng kh\u00f4ng?<\/li>\n
            • Chi ph\u00ed c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 n\u00e0y c\u00f3 qu\u00e1 cao kh\u00f4ng?<\/li>\n<\/ul>\n

              N\u1ebfu c\u00e2u tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi cu\u1ed1i c\u00f9ng l\u00e0 c\u00f3, h\u00e3y \u0111\u01a1n gi\u1ea3n h\u00f3a s\u01a1 \u0111\u1ed3 ho\u1eb7c lo\u1ea1i b\u1ecf n\u00f3. M\u1ee5c ti\u00eau l\u00e0 s\u1ef1 r\u00f5 r\u00e0ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i s\u1ef1 ho\u00e0n ch\u1ec9nh.<\/p>\n

              \ud83d\ude80 T\u00f3m t\u1eaft<\/h2>\n

              M\u00f4 h\u00ecnh C4 cung c\u1ea5p m\u1ed9t c\u00e1ch th\u1ef1c t\u1ebf \u0111\u1ec3 qu\u1ea3n l\u00fd t\u00e0i li\u1ec7u ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m. B\u1eb1ng c\u00e1ch t\u00e1ch bi\u1ec7t c\u00e1c v\u1ea5n \u0111\u1ec1 th\u00e0nh B\u1ed1i c\u1ea3nh, Th\u00f9ng ch\u1ee9a, Th\u00e0nh ph\u1ea7n v\u00e0 M\u00e3 ngu\u1ed3n, c\u00e1c \u0111\u1ed9i c\u00f3 th\u1ec3 giao ti\u1ebfp hi\u1ec7u qu\u1ea3 \u1edf m\u1ecdi c\u1ea5p \u0111\u1ed9 c\u1ee7a h\u1ec7 th\u1ed1ng. M\u00f4 h\u00ecnh n\u00e0y khuy\u1ebfn kh\u00edch c\u00e1ch ti\u1ebfp c\u1eadn theo l\u1edbp, gi\u00fap tr\u00e1nh t\u00ecnh tr\u1ea1ng s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean qu\u00e1 t\u1ea3i.<\/p>\n

              B\u1eaft \u0111\u1ea7u b\u1eb1ng b\u1ee9c tranh t\u1ed5ng th\u1ec3. X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi. Sau \u0111\u00f3, thu nh\u1ecf ch\u1ec9 \u0111\u1ebfn m\u1ee9c c\u1ea7n thi\u1ebft cho \u0111\u1ed1i t\u01b0\u1ee3ng m\u1ee5c ti\u00eau. Duy tr\u00ec c\u00e1c s\u01a1 \u0111\u1ed3 song song v\u1edbi m\u00e3 ngu\u1ed3n. C\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 k\u1ef7 lu\u1eadt n\u00e0y d\u1eabn \u0111\u1ebfn thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m t\u1ed1t h\u01a1n v\u00e0 s\u1ef1 h\u1ee3p t\u00e1c tr\u01a1n tru h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

              Ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m th\u01b0\u1eddng l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c v\u1ec1 giao ti\u1ebfp. C\u00e1c nh\u00f3m g\u1eb7p kh\u00f3 kh\u0103n khi th\u1ed1ng nh\u1ea5t v\u1ec1 c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng, lu\u1ed3ng d\u1eef li\u1ec7u \u0111i…<\/p>\n","protected":false},"author":1,"featured_media":1923,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Gi\u1ea3i th\u00edch M\u00f4 h\u00ecnh C4: 4 c\u1ea5p \u0111\u1ed9 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \ud83c\udfd7\ufe0f","_yoast_wpseo_metadesc":"H\u1ecdc m\u00f4 h\u00ecnh C4 cho ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m. T\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 c\u00e1c c\u1ea5p \u0111\u1ed9 B\u1ed1i c\u1ea3nh, Th\u00f9ng ch\u1ee9a, Th\u00e0nh ph\u1ea7n v\u00e0 M\u00e3 ngu\u1ed3n \u0111\u1ec3 giao ti\u1ebfp k\u1ef9 thu\u1eadt t\u1ed1t h\u01a1n.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[65],"tags":[89,97],"class_list":["post-1922","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c4-model","tag-academic","tag-c4-model"],"yoast_head":"\nGi\u1ea3i th\u00edch M\u00f4 h\u00ecnh C4: 4 c\u1ea5p \u0111\u1ed9 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \ud83c\udfd7\ufe0f<\/title>\n<meta name=\"description\" content=\"H\u1ecdc m\u00f4 h\u00ecnh C4 cho ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m. 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