{"id":2624,"date":"2026-10-19T12:57:36","date_gmt":"2026-10-19T12:57:36","guid":{"rendered":"https:\/\/wayhope.kro.kr\/?p=2624"},"modified":"2026-10-21T12:58:45","modified_gmt":"2026-10-21T12:58:45","slug":"%eb%b0%b1%ec%97%94%eb%93%9c-%ec%95%84%ed%82%a4%ed%85%8d%ec%b2%98-%ec%a0%84%ec%b2%b4-%ea%b5%ac%ec%a1%b0-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/wayhope.kro.kr\/?p=2624","title":{"rendered":"\ubc31\uc5d4\ub4dc \uc544\ud0a4\ud14d\ucc98 \uc804\uccb4 \uad6c\uc870 \uc815\ub9ac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Node.js + TypeScript \uae30\ubc18\uc758 \uac8c\uc784 \uc11c\ubc84\ub97c \uae30\uc900\uc73c\ub85c, 3-Layer Architecture\ubd80\ud130 Model, Repository, MySQL, Redis \uce90\uc2dc, \ub3c4\uba54\uc778 \ubaa8\ub378, \uc778\uc99d, \ud2b8\ub79c\uc7ad\uc158, \uba54\uc2dc\uc9c0 \ud050\uae4c\uc9c0 \uac01 \uad6c\uc131 \uc694\uc18c\uc758 \uc5ed\ud560\uacfc \uc758\uc874 \uad00\uacc4\ub97c \ud558\ub098\uc758 \uccb4\uacc4\ub85c \uc815\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec\uc740 \uac01\uac01\uc758 \uae30\uc220\uc744 \ub530\ub85c \uacf5\ubd80\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c, \ud074\ub77c\uc774\uc5b8\ud2b8 \uc694\uccad\uc774 \ub4e4\uc5b4\uc654\uc744 \ub54c \uc5b4\ub5a4 \uacc4\uce35\uc744 \uac70\uccd0 \ub370\uc774\ud130\ub97c \uc870\ud68c\u00b7\uc218\uc815\ud558\uace0, \uc5b4\ub514\uc5d0 \uc800\uc7a5\ud558\uba70, \uce90\uc2dc\uc640 \ub370\uc774\ud130 \uc815\ud569\uc131\uc744 \uc5b4\ub5bb\uac8c \uc720\uc9c0\ud558\ub294\uc9c0 \uc774\ud574\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc804\uccb4 \uc544\ud0a4\ud14d\ucc98 \ud55c\ub208\uc5d0 \ubcf4\uae30<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Client \/ Game Client<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Unity \u00b7 Web \u00b7 Mobile \u00b7 API Request<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Presentation Layer<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTTP Controller \u00b7 Router \u00b7 Middleware \u00b7 DTO \u00b7 Validation \u00b7 Response<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Application \/ Business Flow<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Application Service \u00b7 Use Case \u00b7 Transaction \u00b7 Authorization<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uccad \ud750\ub984\uc744 \uc81c\uc5b4\ud558\uace0 \ub3c4\uba54\uc778 \ub85c\uc9c1 \uc2e4\ud589 \ubc0f \uc800\uc7a5\uc18c \ud638\ucd9c\uc744 \uc870\uc728\ud55c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Domain Layer<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Entity \u00b7 Value Object \u00b7 Aggregate \u00b7 Domain Service \u00b7 Domain Event<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784 \uaddc\uce59, \uc0c1\ud0dc \ubcc0\uacbd \uc870\uac74, \ubd88\ubcc0\uc2dd \ub4f1 \ud575\uc2ec \ube44\uc988\ub2c8\uc2a4 \uaddc\uce59\uc744 \uad00\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Infrastructure \/ Persistence<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MySQL<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc601\uad6c \ub370\uc774\ud130<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Redis<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uce90\uc2dc \u00b7 \uc138\uc158 \u00b7 TTL<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Message Queue<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ube44\ub3d9\uae30 \uc791\uc5c5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Logs \/ Metrics<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uad00\uce21 \u00b7 \ubd84\uc11d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uadf8\ub9bc\uc740 \uc5ed\ud560\uc744 \uc124\uba85\ud558\uae30 \uc704\ud55c \ub17c\ub9ac\uc801 \uad6c\uc870\ub2e4. \uc2e4\uc81c 3-Layer Architecture\uc5d0\uc11c\ub294 Domain Layer\ub098 Infrastructure Layer\ub97c \ubcc4\ub3c4 \uacc4\uce35\uc73c\ub85c \ubd84\ub9ac\ud558\uc9c0 \uc54a\uc744 \uc218\ub3c4 \uc788\ub2e4. 3-Layer, DDD, Clean Architecture\ub294 \uc11c\ub85c \ub2e4\ub978 \uc124\uacc4 \uad00\uc810\uc774\uba70 \ud544\uc694\uc5d0 \ub530\ub77c \ud568\uaed8 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3-Layer Architecture\uc758 \uad6c\uc131 \uc694\uc18c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">3-Layer Architecture\ub294 \uc2dc\uc2a4\ud15c\uc744 \ud06c\uac8c Presentation, Business, Data Access \uacc4\uce35\uc73c\ub85c \ubd84\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Presentation Layer \u2014 \ud45c\ud604 \uacc4\uce35<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud074\ub77c\uc774\uc5b8\ud2b8 \uc694\uccad\uc744 \ubc1b\uace0 \uc751\ub2f5\uc744 \ubc18\ud658\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Router \u00b7 Controller \u00b7 Middleware \u00b7 DTO \u00b7 Validator \u00b7 Response Serializer<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Business Layer \u2014 \ube44\uc988\ub2c8\uc2a4 \uacc4\uce35<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uccad\uc758 \uc2e4\ud589 \uc21c\uc11c\ub97c \uc81c\uc5b4\ud558\uace0 \ube44\uc988\ub2c8\uc2a4 \uaddc\uce59\uc744 \uc801\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Application Service \u00b7 Use Case \u00b7 Domain Model \u00b7 Domain Service \u00b7 Unit of Work<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Data Access Layer \u2014 \ub370\uc774\ud130 \uc811\uadfc \uacc4\uce35<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc601\uad6c \ub370\uc774\ud130 \ubc0f \uce90\uc2dc\uc758 \uc870\ud68c\uc640 \uc800\uc7a5\uc744 \ub2f4\ub2f9\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Repository \u00b7 ORM \u00b7 MySQL Driver \u00b7 Redis Client \u00b7 Cache Adapter<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \uc774 \uc138 \uacc4\uce35\ub9cc\uc73c\ub85c \ucda9\ubd84\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\ub2e4. \uc778\uc99d, \uc678\ubd80 API, \uba54\uc2dc\uc9c0 \ud050, \ub85c\uae45, \ub3c4\uba54\uc778 \ubaa8\ub378 \ub4f1\uc758 \ucc45\uc784\uc744 \ubcc4\ub3c4 \ubaa8\ub4c8\ub85c \ubd84\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uac01 \uad6c\uc131 \uc694\uc18c\uc758 \uc5ed\ud560 \uc804\uccb4 \ubaa9\ub85d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud45c\ud604 \uacc4\uce35<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uad6c\uc131 \uc694\uc18c<\/th><th>\uc5ed\ud560<\/th><\/tr><\/thead><tbody><tr><td>Router<\/td><td>URL\uacfc HTTP \uba54\uc11c\ub4dc\ub97c \ucc98\ub9ac \ud568\uc218\uc5d0 \uc5f0\uacb0<\/td><\/tr><tr><td>Controller<\/td><td>\uc694\uccad\uc744 \ud574\uc11d\ud558\uace0 Application Service\ub97c \ud638\ucd9c<\/td><\/tr><tr><td>Middleware<\/td><td>\uc778\uc99d, \ub85c\uae45, CORS, \uc694\uccad \uc81c\ud55c \ub4f1 \uacf5\ud1b5 \ucc98\ub9ac<\/td><\/tr><tr><td>DTO<\/td><td>\uc694\uccad\u00b7\uc751\ub2f5 \ub370\uc774\ud130\uc758 \uad6c\uc870 \uc815\uc758<\/td><\/tr><tr><td>Validator<\/td><td>\uc785\ub825\uac12\uc758 \ud615\uc2dd\uacfc \ud5c8\uc6a9 \ubc94\uc704 \uac80\uc99d<\/td><\/tr><tr><td>Serializer<\/td><td>\ub0b4\ubd80 \ub370\uc774\ud130\ub97c \uc678\ubd80 \uc751\ub2f5 \ud615\uc2dd\uc73c\ub85c \ubcc0\ud658<\/td><\/tr><tr><td>Exception Handler<\/td><td>\uc624\ub958\ub97c HTTP \uc751\ub2f5\uc73c\ub85c \ubcc0\ud658<\/td><\/tr><tr><td>API Versioning<\/td><td>API \ubc84\uc804\ubcc4 \ud638\ud658\uc131 \uad00\ub9ac<\/td><\/tr><tr><td>OpenAPI \/ Swagger<\/td><td>API \uba85\uc138 \uc791\uc131 \ubc0f \ubb38\uc11c\ud654<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ube44\uc988\ub2c8\uc2a4 \uacc4\uce35<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uad6c\uc131 \uc694\uc18c<\/th><th>\uc5ed\ud560<\/th><\/tr><\/thead><tbody><tr><td>Application Service<\/td><td>\uc720\uc2a4\ucf00\uc774\uc2a4\uc758 \uc2e4\ud589 \ud750\ub984 \uc870\uc728<\/td><\/tr><tr><td>Use Case<\/td><td>\ud2b9\uc815 \uae30\ub2a5\uc758 \uc2e4\ud589 \ub2e8\uc704<\/td><\/tr><tr><td>Entity<\/td><td>\uc2dd\ubcc4\uc131\uacfc \uc0dd\uba85\uc8fc\uae30\ub97c \uac16\ub294 \ub3c4\uba54\uc778 \uac1d\uccb4<\/td><\/tr><tr><td>Value Object<\/td><td>\uac12 \uc790\uccb4\ub85c \uc758\ubbf8\ub97c \ud45c\ud604\ud558\ub294 \ubd88\ubcc0 \uac1d\uccb4<\/td><\/tr><tr><td>Aggregate<\/td><td>\ub3c4\uba54\uc778 \uac1d\uccb4\uc758 \uc77c\uad00\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \uacbd\uacc4<\/td><\/tr><tr><td>Aggregate Root<\/td><td>Aggregate\uc758 \uc678\ubd80 \uc811\uadfc \uc9c4\uc785\uc810<\/td><\/tr><tr><td>Domain Service<\/td><td>\ud2b9\uc815 Entity \ud558\ub098\uc5d0 \uc18d\ud558\uc9c0 \uc54a\ub294 \ub3c4\uba54\uc778 \uaddc\uce59<\/td><\/tr><tr><td>Domain Event<\/td><td>\ub3c4\uba54\uc778\uc5d0\uc11c \ubc1c\uc0dd\ud55c \uc911\uc694\ud55c \uc0ac\uac74 \ud45c\ud604<\/td><\/tr><tr><td>Policy<\/td><td>\uc870\uac74\uc5d0 \ub530\ub978 \ube44\uc988\ub2c8\uc2a4 \uaddc\uce59 \ubc0f \uc758\uc0ac\uacb0\uc815<\/td><\/tr><tr><td>Specification<\/td><td>\ubcf5\ud569\uc801\uc778 \ub3c4\uba54\uc778 \uc870\uac74\uc744 \ucea1\uc290\ud654<\/td><\/tr><tr><td>Unit of Work<\/td><td>\ubcc0\uacbd \uc0ac\ud56d\uc758 \uc800\uc7a5 \ubc0f \ud2b8\ub79c\uc7ad\uc158 \ub2e8\uc704 \uad00\ub9ac<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ub370\uc774\ud130 \uc811\uadfc \uacc4\uce35<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uad6c\uc131 \uc694\uc18c<\/th><th>\uc5ed\ud560<\/th><\/tr><\/thead><tbody><tr><td>Repository<\/td><td>\ub3c4\uba54\uc778 \uac1d\uccb4\uc758 \uc870\ud68c\uc640 \uc800\uc7a5\uc744 \ucd94\uc0c1\ud654<\/td><\/tr><tr><td>Repository Implementation<\/td><td>\uc2e4\uc81c DB \uc811\uadfc \uad6c\ud604<\/td><\/tr><tr><td>ORM<\/td><td>\uac1d\uccb4\uc640 \uad00\uacc4\ud615 \ud14c\uc774\ube14 \uc0ac\uc774\uc758 \ub9e4\ud551<\/td><\/tr><tr><td>Query Builder<\/td><td>SQL\uc744 \ud504\ub85c\uadf8\ub798\ubc0d \ubc29\uc2dd\uc73c\ub85c \uad6c\uc131<\/td><\/tr><tr><td>Data Mapper<\/td><td>DB \ub370\uc774\ud130\uc640 \ub3c4\uba54\uc778 \uac1d\uccb4\ub97c \ubcc0\ud658<\/td><\/tr><tr><td>DAO<\/td><td>\ub370\uc774\ud130 \uc811\uadfc \uc5f0\uc0b0\uc744 \ucea1\uc290\ud654<\/td><\/tr><tr><td>Redis Cache<\/td><td>\ubc18\ubcf5 \uc870\ud68c \uacb0\uacfc\ub97c \uba54\ubaa8\ub9ac\uc5d0 \uce90\uc2f1<\/td><\/tr><tr><td>Cache Manager<\/td><td>\uce90\uc2dc \uc870\ud68c, \uc0dd\uc131, \uc0ad\uc81c, \ub9cc\ub8cc \uc815\ucc45 \uad00\ub9ac<\/td><\/tr><tr><td>Connection Pool<\/td><td>DB \uc5f0\uacb0\uc744 \uc7ac\uc0ac\uc6a9<\/td><\/tr><tr><td>Transaction Manager<\/td><td>\ud2b8\ub79c\uc7ad\uc158\uc758 \uc2dc\uc791, \ucee4\ubc0b, \ub864\ubc31 \uad00\ub9ac<\/td><\/tr><tr><td>Migration<\/td><td>DB \uc2a4\ud0a4\ub9c8 \ubcc0\uacbd \uc774\ub825 \uad00\ub9ac<\/td><\/tr><tr><td>Read\/Write Router<\/td><td>\uc77d\uae30\uc640 \uc4f0\uae30 DB\ub97c \ubd84\ub9ac\ud574 \ub77c\uc6b0\ud305<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Repository\uc640 DAO\ub294 \uc720\uc0ac\ud558\uc9c0\ub9cc \ub3d9\uc77c\ud55c \uac1c\ub150\uc740 \uc544\ub2c8\ub2e4. Repository\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub3c4\uba54\uc778 \uac1d\uccb4\uc758 \uceec\ub809\uc158\ucc98\ub7fc \ub3d9\uc791\ud558\ub294 \ucd94\uc0c1\ud654\uc774\uba70, DAO\ub294 \ub370\uc774\ud130 \uc811\uadfc \uc791\uc5c5 \uc790\uccb4\ub97c \uc911\uc2ec\uc73c\ub85c \uc124\uacc4\ud55c\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Model, Entity, DTO, ORM\uc758 \ucc28\uc774<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Model<\/code>\uc740 \ubb38\ub9e5\uc5d0 \ub530\ub77c \uc758\ubbf8\uac00 \ub2ec\ub77c\uc9c4\ub2e4. \ubaa8\ub4e0 Model\uc774 \uac19\uc740 \uc5ed\ud560\uc744 \ud558\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uac1c\ub150<\/th><th>\uc758\ubbf8<\/th><th>\uc608\uc2dc<\/th><\/tr><\/thead><tbody><tr><td>Domain Model<\/td><td>\ube44\uc988\ub2c8\uc2a4 \uaddc\uce59\uacfc \uc0c1\ud0dc\ub97c \ud45c\ud604<\/td><td>\ud50c\ub808\uc774\uc5b4 \ub808\ubca8\uc5c5, \uc778\ubca4\ud1a0\ub9ac<\/td><\/tr><tr><td>Entity<\/td><td>\uace0\uc720 \uc2dd\ubcc4\uc790\ub97c \uac16\ub294 \uac1d\uccb4<\/td><td><code>Player<\/code>, <code>Item<\/code><\/td><\/tr><tr><td>Value Object<\/td><td>\uac12\uc73c\ub85c \ub3d9\uc77c\uc131\uc744 \ud310\ub2e8\ud558\ub294 \uac1d\uccb4<\/td><td><code>Position<\/code>, <code>Money<\/code><\/td><\/tr><tr><td>Persistence Model<\/td><td>DB \ud14c\uc774\ube14\uacfc \ub300\uc751\ud558\ub294 \ub370\uc774\ud130 \uad6c\uc870<\/td><td><code>PlayerRow<\/code><\/td><\/tr><tr><td>DTO<\/td><td>\uacc4\uce35 \ub610\ub294 \uc2dc\uc2a4\ud15c \uc0ac\uc774\uc5d0\uc11c \uc804\ub2ec\ud558\ub294 \ub370\uc774\ud130<\/td><td><code>PlayerResponseDto<\/code><\/td><\/tr><tr><td>ORM Model<\/td><td>ORM \ub77c\uc774\ube0c\ub7ec\ub9ac\uc5d0\uc11c \uad00\ub9ac\ud558\ub294 \ub370\uc774\ud130 \uac1d\uccb4<\/td><td>Sequelize Model, Prisma \ubc18\ud658 \ud0c0\uc785<\/td><\/tr><tr><td>View Model<\/td><td>\ud654\uba74 \ub610\ub294 API \uc751\ub2f5\uc5d0 \ub9de\ucd98 \ub370\uc774\ud130 \uad6c\uc870<\/td><td>\ud504\ub85c\ud544 \ud654\uba74 \ub370\uc774\ud130<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uad6c\ubd84\uc740 \ud2b9\ud788 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ud50c\ub808\uc774\uc5b4 \ub808\ubca8\uc5c5\uc774\ub77c\ub294 \uaddc\uce59\uc744 \ub2e8\uc21c\ud55c DB \uac1d\uccb4\uc5d0 \ub123\uc744 \uc218\ub3c4 \uc788\uc9c0\ub9cc, \ub3c4\uba54\uc778 \ubaa8\ub378\ub85c \ubd84\ub9ac\ud558\uba74 \uaddc\uce59\uc744 \ub3c5\ub9bd\uc801\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud558\uace0 \uc7ac\uc0ac\uc6a9\ud558\uae30 \uc26c\uc6cc\uc9c4\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Domain Model\nclass Player {\n  constructor(\n    public readonly id: string,\n    private level: number,\n    private exp: number,\n  ) {}\n\n  gainExp(amount: number): void {\n    if (amount &lt;= 0) {\n      throw new Error(\"\uacbd\ud5d8\uce58\ub294 \uc591\uc218\uc5ec\uc57c \ud569\ub2c8\ub2e4.\");\n    }\n\n    this.exp += amount;\n\n    while (this.exp &gt;= this.requiredExp()) {\n      this.exp -= this.requiredExp();\n      this.level++;\n    }\n  }\n\n  private requiredExp(): number {\n    return this.level * 100;\n  }\n\n  getLevel(): number {\n    return this.level;\n  }\n\n  getExp(): number {\n    return this.exp;\n  }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uac1d\uccb4\ub294 \uacbd\ud5d8\uce58 \uc99d\uac00\uc640 \ub808\ubca8\uc5c5 \uaddc\uce59\uc744 \ub2f4\ub2f9\ud55c\ub2e4. MySQL\uc774\ub098 Redis\uc5d0 \uc9c1\uc811 \uc811\uadfc\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\uba74 ORM Model\uc740 DB\uc758 \ub370\uc774\ud130\ub97c \uc77d\uace0 \uc4f0\uae30 \uc704\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\uc758 \uac1d\uccb4\uc77c \uc218 \uc788\ub2e4. ORM\uc744 \uc0ac\uc6a9\ud558\ub294 \ubaa8\ub4e0 \ud504\ub85c\uc81d\ud2b8\uac00 \ubcc4\ub3c4\uc758 Domain Model\uc744 \ud544\uc694\ub85c \ud558\ub294 \uac83\uc740 \uc544\ub2c8\uc9c0\ub9cc, \ube44\uc988\ub2c8\uc2a4 \uaddc\uce59\uc774 \ubcf5\uc7a1\ud574\uc9c8\uc218\ub85d \uc5ed\ud560\uc744 \ubd84\ub9ac\ud560 \uac00\uce58\uac00 \ucee4\uc9c4\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Repository\uc640 MySQL\uc758 \uad00\uacc4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Repository\ub294 DB \uadf8 \uc790\uccb4\uac00 \uc544\ub2c8\ub2e4. DB \uc811\uadfc \ubc29\ubc95\uc744 \uc0c1\uc704 \uacc4\uce35\uc73c\ub85c\ubd80\ud130 \uc228\uae30\ub294 \ucd94\uc0c1\ud654\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Application Service<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud50c\ub808\uc774\uc5b4 \uc870\ud68c \uc720\uc2a4\ucf00\uc774\uc2a4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PlayerRepository Interface<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">findById \u00b7 save \u00b7 delete<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MySQL PlayerRepository Implementation<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SQL \u00b7 ORM \u00b7 \ub370\uc774\ud130 \ubcc0\ud658<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MySQL<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc601\uad6c \ub370\uc774\ud130 \uc800\uc7a5\uc18c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 Application Service\ub294 <code>SELECT<\/code> \ubb38\uc774\ub098 \ud2b9\uc815 ORM \ub77c\uc774\ube0c\ub7ec\ub9ac\uc758 \uc0ac\uc6a9\ubc95\uc744 \uc54c \ud544\uc694\uac00 \uc5c6\ub2e4. <code>PlayerRepository<\/code>\uc5d0 \ud50c\ub808\uc774\uc5b4\ub97c \uc870\ud68c\ud558\ub77c\uace0 \uc694\uccad\ud558\uba74 \ub41c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>interface PlayerRepository {\n  findById(id: string): Promise&lt;Player | null&gt;;\n  save(player: Player): Promise&lt;void&gt;;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uad6c\ud604\uc740 MySQL\uc744 \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uace0, \ud14c\uc2a4\ud2b8\uc5d0\uc11c\ub294 \uba54\ubaa8\ub9ac \uc800\uc7a5\uc18c\ub97c \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class GetPlayerService {\n  constructor(\n    private readonly players: PlayerRepository,\n  ) {}\n\n  async execute(id: string): Promise&lt;Player | null&gt; {\n    return this.players.findById(id);\n  }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc124\uacc4\uc5d0\uc11c\ub294 DB \uad6c\ud604\uc774 \ubc14\ub00c\uc5b4\ub3c4 Application Service\uc758 \ucf54\ub4dc\ub294 \uc720\uc9c0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Redis \uce90\uc2dc\ub294 \uc5b4\ub514\uc5d0 \ub4e4\uc5b4\uac00\ub294\uac00?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Redis \uce90\uc2dc\ub294 \ub370\uc774\ud130 \uc811\uadfc \uacc4\uce35\uc758 \uc77c\ubd80\ub85c \ub450\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc9c0\ub9cc, \uce90\uc2dc\ub97c \uad00\ub9ac\ud558\ub294 \uc704\uce58\ub294 \uc124\uacc4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 Cache-Aside \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Application Service<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Player Repository \/ Cached Repository<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Redis<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uce90\uc2dc \uc870\ud68c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MySQL<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6d0\ubcf8 \ub370\uc774\ud130<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uce90\uc2dc \ubbf8\uc2a4 \uc2dc MySQL\uc5d0\uc11c \uc870\ud68c\ud558\uace0 \uacb0\uacfc\ub97c Redis\uc5d0 \uc800\uc7a5\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uce90\uc2dc\ub97c Repository \ub0b4\ubd80\uc5d0\uc11c \ucc98\ub9ac\ud560 \uc218\ub3c4 \uc788\uace0, Repository\ub97c \uac10\uc2f8\ub294 \ubcc4\ub3c4\uc758 \uce90\uc2dc \uc5b4\ub311\ud130\ub85c \ubd84\ub9ac\ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c\uacfc \uac19\uc774 \uad6c\uc131\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>PlayerRepository<\/code>: \ud50c\ub808\uc774\uc5b4 \ub370\uc774\ud130 \uc870\ud68c \ubc0f \uc800\uc7a5 \uacc4\uc57d<\/li>\n\n\n\n<li><code>MySqlPlayerRepository<\/code>: MySQL\uc744 \uc774\uc6a9\ud55c \uc601\uad6c \uc800\uc7a5<\/li>\n\n\n\n<li><code>RedisPlayerCache<\/code>: \uce90\uc2dc \uc870\ud68c\u00b7\uc800\uc7a5\u00b7\uc0ad\uc81c<\/li>\n\n\n\n<li><code>CachedPlayerRepository<\/code>: Redis\uc640 MySQL\uc744 \uc870\ud569\ud55c \uc870\ud68c \uc815\ucc45<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec\uc740 Redis\uac00 MySQL\uc758 \ub300\uccb4 \uc6d0\ubcf8\uc774 \uc544\ub2c8\ub77c \uc870\ud68c \uc131\ub2a5\uc744 \uac1c\uc120\ud558\ub294 \ubcf4\uc870 \uc800\uc7a5\uc18c\uc778\uc9c0, \uc544\ub2c8\uba74 \uc138\uc158\u00b7\uc2e4\uc2dc\uac04 \uc0c1\ud0dc\ucc98\ub7fc \ubcc4\ub3c4\uc758 \ucc45\uc784\uc744 \uac16\ub294 \uc800\uc7a5\uc18c\uc778\uc9c0 \uba85\ud655\ud788 \uad6c\ubd84\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uce90\uc2dc \ud328\ud134<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ud328\ud134<\/th><th>\ub370\uc774\ud130 \ud750\ub984<\/th><th>\ud2b9\uc9d5<\/th><\/tr><\/thead><tbody><tr><td>Cache-Aside<\/td><td>\uce90\uc2dc \uc870\ud68c \u2192 \ubbf8\uc2a4 \uc2dc DB \uc870\ud68c \u2192 \uce90\uc2dc \uc800\uc7a5<\/td><td>\ubc94\uc6a9\uc801\uc774\uba70 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uce90\uc2dc\ub97c \uad00\ub9ac<\/td><\/tr><tr><td>Read-Through<\/td><td>\uce90\uc2dc \uacc4\uce35\uc5d0 \uc870\ud68c \uc694\uccad \u2192 \ubbf8\uc2a4 \uc2dc \ub85c\ub354\uac00 DB \uc870\ud68c<\/td><td>\uce90\uc2dc \uacc4\uce35\uc774 \ub85c\ub529 \ucc45\uc784\uc744 \uac00\uc9d0<\/td><\/tr><tr><td>Write-Through<\/td><td>\uc4f0\uae30 \uc2dc \uce90\uc2dc \uacc4\uce35\uc744 \ud1b5\ud574 \uc6d0\ubcf8 DB\ub3c4 \uac31\uc2e0<\/td><td>\uc4f0\uae30 \uc77c\uad00\uc131\uc744 \uad00\ub9ac\ud558\uae30 \ud3b8\ud558\uc9c0\ub9cc \uc4f0\uae30 \uc9c0\uc5f0\uc774 \uc99d\uac00\ud560 \uc218 \uc788\uc74c<\/td><\/tr><tr><td>Write-Behind \/ Write-Back<\/td><td>\uce90\uc2dc\uc5d0 \uba3c\uc800 \uae30\ub85d\ud558\uace0 DB \uc800\uc7a5\uc744 \ub098\uc911\uc5d0 \uc218\ud589<\/td><td>\uc131\ub2a5\uc5d0 \uc720\ub9ac\ud560 \uc218 \uc788\uc9c0\ub9cc \uc7a5\uc560 \uc2dc \ub370\uc774\ud130 \uc720\uc2e4 \uc704\ud5d8<\/td><\/tr><tr><td>Write-Around<\/td><td>DB\uc5d0 \uc9c1\uc811 \uc4f0\uace0 \uce90\uc2dc\ub294 \uc77d\uc744 \ub54c \uc0dd\uc131<\/td><td>\uc4f0\uae30 \uc9c1\ud6c4 \uce90\uc2dc\uac00 \ube44\uc5b4 \uc788\uc744 \uc218 \uc788\uc74c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uac8c\uc784 \ubc31\uc5d4\ub4dc\uc758 \ud50c\ub808\uc774\uc5b4 \ud504\ub85c\ud544 \uc870\ud68c\uc5d0\ub294 Cache-Aside\uac00 \uc2e4\uc6a9\uc801\uc778 \ucd9c\ubc1c\uc810\uc774\ub2e4. \ubc18\uba74 \uc7ac\ud654 \ucc28\uac10\uc774\ub098 \uacb0\uc81c\ucc98\ub7fc \uc815\ud569\uc131\uc774 \uc911\uc694\ud55c \ub370\uc774\ud130\ub294 \uce90\uc2dc\ub97c \uad8c\uc704 \uc788\ub294 \uc6d0\ubcf8\uc73c\ub85c \ucde8\uae09\ud558\uc9c0 \uc54a\ub294 \ud3b8\uc774 \uc548\uc804\ud558\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub370\uc774\ud130 \ubcc0\uacbd\uacfc \uce90\uc2dc \ubb34\ud6a8\ud654<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uce90\uc2dc\ub97c \uc0ac\uc6a9\ud558\ub294 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \ubb38\uc81c\ub294 DB\uc640 \uce90\uc2dc \uc0ac\uc774\uc758 \uc815\ud569\uc131\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 Cache-Aside \uc4f0\uae30 \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Application Service\uac00 \ube44\uc988\ub2c8\uc2a4 \uaddc\uce59\uc744 \uac80\uc99d\ud55c\ub2e4.<\/li>\n\n\n\n<li>MySQL \ud2b8\ub79c\uc7ad\uc158\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc218\uc815\ud558\uace0 \ucee4\ubc0b\ud55c\ub2e4.<\/li>\n\n\n\n<li>\ucee4\ubc0b \uc131\uacf5 \ud6c4 \uad00\ub828 Redis \uce90\uc2dc\ub97c \uc0ad\uc81c\ud55c\ub2e4.<\/li>\n\n\n\n<li>\ub2e4\uc74c \uc870\ud68c\uc5d0\uc11c \uce90\uc2dc \ubbf8\uc2a4\uac00 \ubc1c\uc0dd\ud558\uba74 MySQL \ub370\uc774\ud130\ub97c \ub2e4\uc2dc \uc77d\uc5b4 \uce90\uc2dc\ub97c \uc0dd\uc131\ud55c\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">DB\ub97c \uba3c\uc800 \uc218\uc815\ud558\uace0 \uce90\uc2dc\ub97c \uc0ad\uc81c\ud558\ub294 \ubc29\uc2dd\uc740 DB \uc800\uc7a5\uc5d0 \uc2e4\ud328\ud588\ub294\ub370 \uce90\uc2dc\ub9cc \ubcc0\uacbd\ub418\ub294 \ubb38\uc81c\ub97c \ud53c\ud558\uae30 \uc27d\ub2e4. \ub2e4\ub9cc DB \ucee4\ubc0b \ud6c4 Redis \uc0ad\uc81c\uc5d0 \uc2e4\ud328\ud558\uba74 \uc624\ub798\ub41c \uce90\uc2dc\uac00 \ub0a8\uc744 \uc218 \uc788\uc73c\ubbc0\ub85c TTL, \uc7ac\uc2dc\ub3c4, \uce90\uc2dc \ubc84\uc804, Outbox \ud328\ud134 \ub4f1\uc758 \ubcf4\uc644\ucc45\uc774 \ud544\uc694\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uce90\uc2dc\uc640 DB\ub97c \ub3d9\uc2dc\uc5d0 \uc218\uc815\ud558\ub294 \uac83\ub9cc\uc73c\ub85c \uc6d0\uc790\uc131\uc774 \ubcf4\uc7a5\ub418\uc9c0\ub294 \uc54a\ub294\ub2e4. MySQL \ud2b8\ub79c\uc7ad\uc158\uc740 Redis\uc758 \ubcc0\uacbd\uae4c\uc9c0 \uc790\ub3d9\uc73c\ub85c \ub864\ubc31\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud2b8\ub79c\uc7ad\uc158\uacfc Unit of Work<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b8\ub79c\uc7ad\uc158\uc740 \uc5ec\ub7ec DB \uc791\uc5c5\uc744 \ud558\ub098\uc758 \uc6d0\uc790\uc801 \ub2e8\uc704\ub85c \ubb36\ub294\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uac8c\uc784\uc5d0\uc11c \uc544\uc774\ud15c\uc744 \uad6c\ub9e4\ud55c\ub2e4\uba74 \ub2e4\uc74c \uc791\uc5c5\uc774 \ud568\uaed8 \ucc98\ub9ac\ub418\uc5b4\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud50c\ub808\uc774\uc5b4\uc758 \uc7ac\ud654 \ucc28\uac10<\/li>\n\n\n\n<li>\uc544\uc774\ud15c \uc9c0\uae09<\/li>\n\n\n\n<li>\uad6c\ub9e4 \uae30\ub85d \uc800\uc7a5<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>BEGIN\n  \ud50c\ub808\uc774\uc5b4 \uc7ac\ud654 \ud655\uc778 \ubc0f \ucc28\uac10\n  \uc544\uc774\ud15c \uc778\ubca4\ud1a0\ub9ac \ubc18\uc601\n  \uad6c\ub9e4 \uae30\ub85d \uc800\uc7a5\nCOMMIT<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc911\uac04 \uc791\uc5c5\uc774 \uc2e4\ud328\ud558\uba74 <code>ROLLBACK<\/code>\uc744 \uc218\ud589\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unit of Work\ub294 \uc791\uc5c5 \uc911 \ubc1c\uc0dd\ud55c \ubcc0\uacbd\uc744 \ubaa8\uc544 \uc800\uc7a5\ud558\ub294 \uc124\uacc4 \ud328\ud134\uc774\ub2e4. \uc2e4\uc81c DB \ud2b8\ub79c\uc7ad\uc158\uacfc \uacb0\ud569\ud560 \uc218 \uc788\uc9c0\ub9cc \ub450 \uac1c\ub150\uc740 \ub3d9\uc77c\ud558\uc9c0 \uc54a\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c \ub3d9\uc2dc \uad6c\ub9e4 \uc694\uccad\uc774 \ub4e4\uc5b4\uc624\uba74 \ub2e8\uc21c\ud55c \uc870\ud68c \ud6c4 \ucc28\uac10\ub9cc\uc73c\ub85c\ub294 \uc7ac\ud654\uac00 \uc74c\uc218\uac00 \ub418\ub294 \uacbd\uc7c1 \uc870\uac74\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4. \uc870\uac74\ubd80 <code>UPDATE<\/code>, \uc801\uc808\ud55c \uc7a0\uae08, \uaca9\ub9ac \uc218\uc900, \ubc84\uc804 \uae30\ubc18 \ub099\uad00\uc801 \uc7a0\uae08 \ub4f1\uc744 \ud568\uaed8 \uace0\ub824\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DDD\uc640 3-Layer Architecture\uc758 \uad00\uacc4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DDD(Domain-Driven Design)\ub294 \ub3c4\uba54\uc778 \ubaa8\ub378\uacfc \ube44\uc988\ub2c8\uc2a4 \uaddc\uce59\uc744 \uc911\uc2ec\uc73c\ub85c \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub97c \uc124\uacc4\ud558\ub294 \uc811\uadfc\ubc95\uc774\ub2e4. 3-Layer Architecture\ub294 \ucc45\uc784\uc5d0 \ub530\ub77c \ucf54\ub4dc\ub97c \ubd84\ub9ac\ud558\ub294 \uad6c\uc870\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub458\uc740 \uacbd\uc7c1 \uad00\uacc4\uac00 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uac1c\ub150<\/th><th>\ud574\uacb0\ud558\ub824\ub294 \ubb38\uc81c<\/th><\/tr><\/thead><tbody><tr><td>3-Layer Architecture<\/td><td>\ud45c\ud604\u00b7\ube44\uc988\ub2c8\uc2a4\u00b7\ub370\uc774\ud130 \uc811\uadfc \ucc45\uc784 \ubd84\ub9ac<\/td><\/tr><tr><td>DDD<\/td><td>\ubcf5\uc7a1\ud55c \ub3c4\uba54\uc778 \uaddc\uce59\uacfc \ubaa8\ub378\uc758 \ud45c\ud604<\/td><\/tr><tr><td>Clean Architecture<\/td><td>\uc758\uc874\uc131\uc774 \ud575\uc2ec \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \ud5a5\ud558\ub3c4\ub85d \uc124\uacc4<\/td><\/tr><tr><td>Hexagonal Architecture<\/td><td>\ub3c4\uba54\uc778\uacfc \uc678\ubd80 \uc2dc\uc2a4\ud15c\uc744 \ud3ec\ud2b8\u00b7\uc5b4\ub311\ud130\ub85c \ubd84\ub9ac<\/td><\/tr><tr><td>CQRS<\/td><td>\uba85\ub839\uacfc \uc870\ud68c \ubaa8\ub378 \ubc0f \ucc98\ub9ac \uacbd\ub85c \ubd84\ub9ac<\/td><\/tr><tr><td>Event-Driven Architecture<\/td><td>\uc774\ubca4\ud2b8\ub97c \ud1b5\ud574 \ucef4\ud3ec\ub10c\ud2b8 \uac04 \ube44\ub3d9\uae30 \uc5f0\uacb0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ub4e0 \uc2dc\uc2a4\ud15c\uc5d0 DDD, CQRS, \uc774\ubca4\ud2b8 \uc18c\uc2f1\uc744 \ub3c4\uc785\ud560 \ud544\uc694\ub294 \uc5c6\ub2e4. \ub2e8\uc21c\ud55c CRUD \uc11c\ube44\uc2a4\ub294 3-Layer\ub9cc\uc73c\ub85c \ucda9\ubd84\ud560 \uc218 \uc788\ub2e4. \uac8c\uc784 \uaddc\uce59\uacfc \uc0c1\ud0dc \uc804\uc774\uac00 \ubcf5\uc7a1\ud574\uc9c8\uc218\ub85d \ub3c4\uba54\uc778 \ubaa8\ub378\uc744 \ubd84\ub9ac\ud558\ub294 \ud6a8\uacfc\uac00 \ucee4\uc9c4\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uad8c\uc7a5 \ud504\ub85c\uc81d\ud2b8 \ub514\ub809\ud130\ub9ac \uad6c\uc870<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Node.js + TypeScript + Express + MySQL + Redis \uae30\ubc18 \uac8c\uc784 \uc11c\ubc84\ub97c \uc608\uc2dc\ub85c \ub4e4\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>src\/\n\u251c\u2500\u2500 presentation\/\n\u2502   \u251c\u2500\u2500 routes\/\n\u2502   \u251c\u2500\u2500 controllers\/\n\u2502   \u251c\u2500\u2500 middlewares\/\n\u2502   \u251c\u2500\u2500 validators\/\n\u2502   \u2514\u2500\u2500 dtos\/\n\u2502\n\u251c\u2500\u2500 application\/\n\u2502   \u251c\u2500\u2500 players\/\n\u2502   \u2502   \u251c\u2500\u2500 GetPlayerService.ts\n\u2502   \u2502   \u251c\u2500\u2500 UpdatePlayerService.ts\n\u2502   \u2502   \u2514\u2500\u2500 PurchaseItemService.ts\n\u2502   \u251c\u2500\u2500 ports\/\n\u2502   \u2514\u2500\u2500 transactions\/\n\u2502\n\u251c\u2500\u2500 domain\/\n\u2502   \u251c\u2500\u2500 player\/\n\u2502   \u2502   \u251c\u2500\u2500 Player.ts\n\u2502   \u2502   \u251c\u2500\u2500 PlayerRepository.ts\n\u2502   \u2502   \u2514\u2500\u2500 PlayerDomainService.ts\n\u2502   \u251c\u2500\u2500 inventory\/\n\u2502   \u251c\u2500\u2500 economy\/\n\u2502   \u2514\u2500\u2500 events\/\n\u2502\n\u251c\u2500\u2500 infrastructure\/\n\u2502   \u251c\u2500\u2500 database\/\n\u2502   \u2502   \u251c\u2500\u2500 mysql\/\n\u2502   \u2502   \u251c\u2500\u2500 migrations\/\n\u2502   \u2502   \u2514\u2500\u2500 repositories\/\n\u2502   \u251c\u2500\u2500 cache\/\n\u2502   \u2502   \u251c\u2500\u2500 RedisClient.ts\n\u2502   \u2502   \u2514\u2500\u2500 RedisPlayerCache.ts\n\u2502   \u251c\u2500\u2500 messaging\/\n\u2502   \u251c\u2500\u2500 logging\/\n\u2502   \u2514\u2500\u2500 external\/\n\u2502\n\u251c\u2500\u2500 shared\/\n\u2502   \u251c\u2500\u2500 errors\/\n\u2502   \u251c\u2500\u2500 config\/\n\u2502   \u2514\u2500\u2500 utils\/\n\u2502\n\u251c\u2500\u2500 app.ts\n\u2514\u2500\u2500 server.ts\n\ntests\/\n\u251c\u2500\u2500 unit\/\n\u251c\u2500\u2500 integration\/\n\u2514\u2500\u2500 e2e\/<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uad6c\uc870\ub294 \ud544\uc218 \ud45c\uc900\uc774 \uc544\ub2c8\ub77c \ucc45\uc784 \ubd84\ub9ac\ub97c \uc704\ud55c \uc608\uc2dc\ub2e4. \uaddc\ubaa8\uac00 \uc791\uc740 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \ub514\ub809\ud130\ub9ac\ub97c \ud569\uce60 \uc218 \uc788\uace0, DDD\ub97c \uc801\uc6a9\ud558\uc9c0 \uc54a\ub294\ub2e4\uba74 <code>domain\/<\/code>\uc744 \ubcc4\ub3c4\ub85c \ub450\uc9c0 \uc54a\uc544\ub3c4 \ub41c\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uac8c\uc784 \uc11c\ubc84\uc5d0 \ud544\uc694\ud55c \ucd94\uac00 \uc544\ud0a4\ud14d\ucc98<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc601\uc5ed<\/th><th>\uc8fc\uc694 \uad6c\uc131 \uc694\uc18c<\/th><th>\ubaa9\uc801<\/th><\/tr><\/thead><tbody><tr><td>\uc778\uc99d\u00b7\ubcf4\uc548<\/td><td>Password Hash, Salt, Session, JWT, Refresh Token, 2FA<\/td><td>\uc0ac\uc6a9\uc790 \uc778\uc99d \ubc0f \uad8c\ud55c \uad00\ub9ac<\/td><\/tr><tr><td>\ub124\ud2b8\uc6cc\ud06c<\/td><td>HTTP, WebSocket, WebRTC, RPC<\/td><td>\ud074\ub77c\uc774\uc5b8\ud2b8 \ud1b5\uc2e0<\/td><\/tr><tr><td>\uc2e4\uc2dc\uac04 \uac8c\uc784<\/td><td>Game Room, Matchmaking, Authoritative Server<\/td><td>\uac8c\uc784 \uc0c1\ud0dc\uc640 \ub9e4\uce58 \uad00\ub9ac<\/td><\/tr><tr><td>\ub370\uc774\ud130\ubca0\uc774\uc2a4<\/td><td>MySQL, \uc778\ub371\uc2a4, \ud2b8\ub79c\uc7ad\uc158, Read Replica<\/td><td>\uc601\uad6c \ub370\uc774\ud130\uc640 \uc870\ud68c \uc131\ub2a5 \uad00\ub9ac<\/td><\/tr><tr><td>\uce90\uc2dc<\/td><td>Redis, TTL, Cache-Aside, \ubd84\uc0b0 \ub77d<\/td><td>\ubc18\ubcf5 \uc870\ud68c\uc640 \uacf5\uc720 \uc0c1\ud0dc \ucc98\ub9ac<\/td><\/tr><tr><td>\uba54\uc2dc\uc9d5<\/td><td>RabbitMQ, Kafka, Redis Streams<\/td><td>\ube44\ub3d9\uae30 \uc791\uc5c5 \ubc0f \uc774\ubca4\ud2b8 \uc804\ub2ec<\/td><\/tr><tr><td>\ud655\uc7a5\uc131<\/td><td>Load Balancer, Horizontal Scaling, Kubernetes<\/td><td>\ud2b8\ub798\ud53d \uc99d\uac00\uc640 \uc7a5\uc560 \ub300\uc751<\/td><\/tr><tr><td>\uad00\uce21\uc131<\/td><td>Pino, OpenTelemetry, Prometheus, Loki, Grafana<\/td><td>\ub85c\uadf8\u00b7\uba54\ud2b8\ub9ad\u00b7\ud2b8\ub808\uc774\uc2a4 \uad00\uce21<\/td><\/tr><tr><td>API \ubb38\uc11c\ud654<\/td><td>OpenAPI, Swagger<\/td><td>\uc778\ud130\ud398\uc774\uc2a4 \uba85\uc138\uc640 \ud14c\uc2a4\ud2b8<\/td><\/tr><tr><td>\ud488\uc9c8 \uad00\ub9ac<\/td><td>Unit Test, Integration Test, E2E Test<\/td><td>\uae30\ub2a5 \uac80\uc99d \ubc0f \ud68c\uadc0 \ubc29\uc9c0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc694\uc18c\ub4e4\uc740 \ubaa8\ub450 \ud558\ub098\uc758 \uacc4\uce35\uc5d0 \uc18d\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub2e4. \uc778\uc99d \ubbf8\ub4e4\uc6e8\uc5b4\ub294 \ud45c\ud604 \uacc4\uce35\uc5d0 \uc704\uce58\ud560 \uc218 \uc788\uace0, \uc778\uc99d \uc815\ucc45\uc740 Application \ub610\ub294 Domain \uacc4\uce35\uc5d0 \uc788\uc744 \uc218 \uc788\ub2e4. \uba54\uc2dc\uc9d5\uacfc \ub85c\uae45\uc758 \uc2e4\uc81c \uad6c\ud604\uc740 \ub300\uac1c Infrastructure \uacc4\uce35\uc5d0 \uc704\uce58\ud55c\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ubc18\ub4dc\uc2dc \uc774\ud574\ud574\uc57c \ud558\ub294 \uc758\uc874\uc131 \uaddc\uce59<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Controller\ub294 Application Service\ub97c \ud638\ucd9c\ud55c\ub2e4.<\/li>\n\n\n\n<li>Application Service\ub294 \ub3c4\uba54\uc778 \uac1d\uccb4\ub97c \uc0ac\uc6a9\ud558\uace0 Repository \ub4f1\uc758 \ucd94\uc0c1\ud654\uc5d0 \uc758\uc874\ud560 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n<li>Domain Model\uc740 \uc77c\ubc18\uc801\uc73c\ub85c HTTP, Redis, MySQL \uad6c\ud604\uc744 \uc9c1\uc811 \uc54c\uc9c0 \uc54a\ub294\ub2e4.<\/li>\n\n\n\n<li>Repository \uad6c\ud604\uc740 DB\uc640 ORM\uc744 \uc0ac\uc6a9\ud55c\ub2e4.<\/li>\n\n\n\n<li>Redis \uce90\uc2dc \uc815\ucc45\uc740 \uce90\uc2dc \uc5b4\ub311\ud130 \ub610\ub294 \ubcc4\ub3c4\uc758 \uce90\uc2dc \uc11c\ube44\uc2a4\uc5d0\uc11c \uad00\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n<li>\uc678\ubd80 API, \uba54\uc2dc\uc9c0 \ud050, \ud30c\uc77c \uc2dc\uc2a4\ud15c \ub4f1\uc740 Infrastructure \uacc4\uce35\uc5d0\uc11c \uc5f0\uacb0\ud55c\ub2e4.<\/li>\n\n\n\n<li>\ud2b8\ub79c\uc7ad\uc158 \uacbd\uacc4\ub294 \uc5ec\ub7ec \uc800\uc7a5 \uc791\uc5c5\uc744 \uc870\uc728\ud558\ub294 Application Service \ub610\ub294 Unit of Work\uc5d0\uc11c \uad00\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\uc885\uc801\uc73c\ub85c \uae30\uc5b5\ud560 \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Client\n  \u2192 Router \/ Middleware\n  \u2192 Controller \/ DTO\n  \u2192 Application Service\n  \u2192 Domain Model\n  \u2192 Repository Interface\n  \u2192 Repository Implementation\n  \u2192 Redis Cache \/ MySQL<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8, \ubaa8\ub4e0 \uc694\uccad\uc774 \ubc18\ub4dc\uc2dc \ubaa8\ub4e0 \ub2e8\uacc4\ub97c \uac70\uce58\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4. \ub2e8\uc21c \uc870\ud68c, \uc2e4\uc2dc\uac04 WebSocket \ucc98\ub9ac, \ube44\ub3d9\uae30 \uc774\ubca4\ud2b8 \ucc98\ub9ac \ub4f1\uc740 \uc11c\ub85c \ub2e4\ub978 \uc2e4\ud589 \uacbd\ub85c\ub97c \uac00\uc9c8 \uc218 \uc788\ub2e4. \uc911\uc694\ud55c \uac83\uc740 \uacc4\uce35\uc758 \uac1c\uc218\uac00 \uc544\ub2c8\ub77c \uac01 \uad6c\uc131 \uc694\uc18c\uc758 \ucc45\uc784\uacfc \uc758\uc874 \ubc29\ud5a5\uc744 \uba85\ud655\ud788 \uc720\uc9c0\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Node.js + TypeScript \uae30\ubc18\uc758 \uac8c\uc784 \uc11c\ubc84\ub97c \uae30\uc900\uc73c\ub85c, 3-Layer Architecture\ubd80\ud130 Model, Repository, MySQL, Redis \uce90\uc2dc, \ub3c4\uba54\uc778 \ubaa8\ub378, \uc778\uc99d, \ud2b8\ub79c\uc7ad\uc158, \uba54\uc2dc\uc9c0 \ud050\uae4c\uc9c0 \uac01 \uad6c\uc131 \uc694\uc18c\uc758 \uc5ed\ud560\uacfc \uc758\uc874 \uad00\uacc4\ub97c \ud558\ub098\uc758 \uccb4\uacc4\ub85c \uc815\ub9ac\ud55c\ub2e4. \ud575\uc2ec\uc740 \uac01\uac01\uc758 \uae30\uc220\uc744 \ub530\ub85c \uacf5\ubd80\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c, \ud074\ub77c\uc774\uc5b8\ud2b8 \uc694\uccad\uc774 \ub4e4\uc5b4\uc654\uc744 \ub54c \uc5b4\ub5a4 \uacc4\uce35\uc744 \uac70\uccd0 \ub370\uc774\ud130\ub97c \uc870\ud68c\u00b7\uc218\uc815\ud558\uace0, \uc5b4\ub514\uc5d0 \uc800\uc7a5\ud558\uba70, \uce90\uc2dc\uc640 \ub370\uc774\ud130 \uc815\ud569\uc131\uc744 \uc5b4\ub5bb\uac8c \uc720\uc9c0\ud558\ub294\uc9c0 \uc774\ud574\ud558\ub294 \uac83\uc774\ub2e4. \uc804\uccb4 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