\n\uc624\ub298\uc740 Nest.js\ub97c \uc0ac\uc6a9\ud558\uc5ec RESTful API\ub97c \uad6c\ucd95\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. RESTful API\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uac04\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \uc124\uacc4\ub41c \uc544\ud0a4\ud14d\ucc98 \uc2a4\ud0c0\uc77c\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\uc758 \uc0dd\uc131, \uac80\uc0c9, \uc5c5\ub370\uc774\ud2b8 \ubc0f \uc0ad\uc81c(CRUD)\ub97c \uc704\ud55c \uc9c1\uad00\uc801\uc778 \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n
1. Nest.js\ub780?<\/h2>\n
Nest.js\ub294 Node.js\ub97c \uae30\ubc18\uc73c\ub85c \ud55c \ud6a8\uc728\uc801\uc774\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc11c\ubc84 \uc0ac\uc774\ub4dc \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. TypeScript\ub85c \uc791\uc131\ub418\uc5c8\uc73c\uba70, Angular\uc5d0\uc11c \uc601\ud5a5\uc744 \ub9ce\uc774 \ubc1b\uc544 \ubaa8\ub4c8\ud654, IoC(\uc81c\uc5b4\uc758 \uc5ed\uc804), \ub370\ucf54\ub808\uc774\ud130 \uae30\ubc18 \ud504\ub85c\uadf8\ub798\ubc0d\uacfc \uac19\uc740 \ud2b9\uc9d5\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. Nest.js\ub294 \ubcf5\uc7a1\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc27d\uac8c \uad6c\uc870\ud654\ud558\uace0 \uad00\ub9ac\ud560 \uc218 \uc788\uac8c \ub3c4\uc640\uc90d\ub2c8\ub2e4.<\/p>\n
2. \uac1c\ubc1c \ud658\uacbd \uc124\uc815\ud558\uae30<\/h2>\n2.1 Node.js \ubc0f Nest CLI \uc124\uce58<\/h3>\n
\uba3c\uc800, Node.js\uac00 \uc124\uce58\ub418\uc5b4 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. Node.js\uac00 \uc124\uce58\ub418\uc5b4 \uc788\uc9c0 \uc54a\ub2e4\uba74, [Node.js \uacf5\uc2dd \uc0ac\uc774\ud2b8](https:\/\/nodejs.org)\uc5d0\uc11c \ub2e4\uc6b4\ub85c\ub4dc\ud558\uc5ec \uc124\uce58\ud569\ub2c8\ub2e4. \uadf8 \ud6c4, Nest CLI\ub97c \uc124\uce58\ud569\ub2c8\ub2e4.<\/p>\n
npm install -g @nestjs\/cli<\/code><\/pre>\n2.2 \uc0c8\ub85c\uc6b4 Nest \ud504\ub85c\uc81d\ud2b8 \uc0dd\uc131<\/h3>\n
\uc774\uc81c Nest CLI\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc0c8\ub85c\uc6b4 \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc785\ub825\ud569\ub2c8\ub2e4.<\/p>\n
nest new blog-api<\/code><\/pre>\n\ud504\ub85c\uc81d\ud2b8 \ub514\ub809\ud1a0\ub9ac\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n
cd blog-api<\/code><\/pre>\n3. \uac8c\uc2dc\uae00\uc744 \uc704\ud55c \ubaa8\ub4c8, \uc11c\ube44\uc2a4 \ubc0f \ucee8\ud2b8\ub864\ub7ec \uc0dd\uc131\ud558\uae30<\/h2>\n3.1 \uac8c\uc2dc\uae00 \ubaa8\ub4c8 \uc0dd\uc131<\/h3>\n
\uac8c\uc2dc\uae00\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \ub0b4\uc6a9\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \uac8c\uc2dc\uae00 \ubaa8\ub4c8\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n
nest generate module posts<\/code><\/pre>\n3.2 \uac8c\uc2dc\uae00 \uc11c\ube44\uc2a4 \uc0dd\uc131<\/h3>\n
\uc11c\ube44\uc2a4\ub294 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \ucc98\ub9ac\ud558\ub294 \ubd80\ubd84\uc785\ub2c8\ub2e4.<\/p>\n
nest generate service posts<\/code><\/pre>\n3.3 \uac8c\uc2dc\uae00 \ucee8\ud2b8\ub864\ub7ec \uc0dd\uc131<\/h3>\n
\ucee8\ud2b8\ub864\ub7ec\ub294 HTTP \uc694\uccad\uc744 \ucc98\ub9ac\ud558\uace0 \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0\uac8c \uc751\ub2f5\ud558\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n
nest generate controller posts<\/code><\/pre>\n4. \uac8c\uc2dc\uae00 \uc0dd\uc131, \uc870\ud68c, \uc218\uc815, \uc0ad\uc81c API \uad6c\ud604\ud558\uae30<\/h2>\n
\uc774\uc81c \uac8c\uc2dc\uae00 API\uc758 \uac01 \uae30\ub2a5\uc744 \uad6c\ud604\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uac01 \ubd80\ubd84\uc740 \uc11c\ube44\uc2a4\uc640 \ucee8\ud2b8\ub864\ub7ec\ub97c \uacb0\ud569\ud558\uc5ec \ucc98\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n
4.1 \uac8c\uc2dc\uae00 \ubaa8\ub378 \uc815\uc758\ud558\uae30<\/h3>\n
\uac8c\uc2dc\uae00\uc758 \uad6c\uc870\ub97c \uc815\uc758\ud558\uae30 \uc704\ud574 DTO(Data Transfer Object)\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. src\/posts\/dto\/create-post.dto.ts \ud30c\uc77c\uc744 \uc0dd\uc131\ud558\uace0 \ub2e4\uc74c \ub0b4\uc6a9\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n
\nexport class CreatePostDto {\n title: string;\n content: string;\n}\n <\/code><\/pre>\n4.2 \uac8c\uc2dc\uae00 \uc778\ud130\ud398\uc774\uc2a4 \uc815\uc758\ud558\uae30<\/h3>\n
\uac8c\uc2dc\uae00 \ub370\uc774\ud130 \uad6c\uc870\ub97c \uc815\uc758\ud558\uae30 \uc704\ud574 interfaces \ud30c\uc77c\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. src\/posts\/interfaces\/post.interface.ts \ud30c\uc77c\uc744 \uc0dd\uc131\ud558\uace0 \ub2e4\uc74c \ub0b4\uc6a9\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n
\nexport interface Post {\n id: number;\n title: string;\n content: string;\n}\n <\/code><\/pre>\n4.3 \uc11c\ube44\uc2a4 \ucf54\ub4dc \uad6c\ud604\ud558\uae30<\/h3>\n
src\/posts\/posts.service.ts \ud30c\uc77c\uc744 \uc5f4\uace0, \uac8c\uc2dc\uae00\uc744 \uad00\ub9ac\ud558\ub294 \ucf54\ub4dc\ub97c \uc791\uc131\ud569\ub2c8\ub2e4.<\/p>\n
\nimport { Injectable } from '@nestjs\/common';\nimport { Post } from '.\/interfaces\/post.interface';\nimport { CreatePostDto } from '.\/dto\/create-post.dto';\n\n@Injectable()\nexport class PostsService {\n private readonly posts: Post[] = [];\n private idCounter = 1;\n\n create(createPostDto: CreatePostDto): Post {\n const newPost = {\n id: this.idCounter++,\n ...createPostDto,\n };\n this.posts.push(newPost);\n return newPost;\n }\n\n findAll(): Post[] {\n return this.posts;\n }\n\n findOne(id: number): Post {\n return this.posts.find(post => post.id === id);\n }\n\n update(id: number, updatePostDto: CreatePostDto): Post {\n const post = this.findOne(id);\n if (post) {\n post.title = updatePostDto.title;\n post.content = updatePostDto.content;\n }\n return post;\n }\n\n delete(id: number): void {\n const index = this.posts.findIndex(post => post.id === id);\n if (index !== -1) {\n this.posts.splice(index, 1);\n }\n }\n}\n <\/code><\/pre>\n4.4 \ucee8\ud2b8\ub864\ub7ec \ucf54\ub4dc \uad6c\ud604\ud558\uae30<\/h3>\n
src\/posts\/posts.controller.ts \ud30c\uc77c\uc744 \uc5f4\uace0, API \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294 \ucf54\ub4dc\ub97c \uc791\uc131\ud569\ub2c8\ub2e4.<\/p>\n
\nimport { Controller, Get, Post, Body, Param, Put, Delete } from '@nestjs\/common';\nimport { PostsService } from '.\/posts.service';\nimport { CreatePostDto } from '.\/dto\/create-post.dto';\nimport { Post as PostInterface } from '.\/interfaces\/post.interface';\n\n@Controller('posts')\nexport class PostsController {\n constructor(private readonly postsService: PostsService) {}\n\n @Post()\n create(@Body() createPostDto: CreatePostDto): PostInterface {\n return this.postsService.create(createPostDto);\n }\n\n @Get()\n findAll(): PostInterface[] {\n return this.postsService.findAll();\n }\n\n @Get(':id')\n findOne(@Param('id') id: number): PostInterface {\n return this.postsService.findOne(id);\n }\n\n @Put(':id')\n update(@Param('id') id: number, @Body() updatePostDto: CreatePostDto): PostInterface {\n return this.postsService.update(id, updatePostDto);\n }\n\n @Delete(':id')\n delete(@Param('id') id: number): void {\n this.postsService.delete(id);\n }\n}\n <\/code><\/pre>\n5. Nest.js \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc2e4\ud589\ud558\uae30<\/h2>\n
\ubaa8\ub4e0 \ucf54\ub4dc\uac00 \uc791\uc131\ub418\uc5c8\uc73c\uba74, \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\uc2dc\ucf1c\ubd05\ub2c8\ub2e4. \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc785\ub825\ud558\uc5ec \uc11c\ubc84\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/p>\n
npm run start<\/code><\/pre>\n\ube0c\ub77c\uc6b0\uc800\uc5d0\uc11c http:\/\/localhost:3000\/posts<\/strong>\ub97c \uc5f4\uba74 \uac8c\uc2dc\uae00 API\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n6. API \ud14c\uc2a4\ud2b8 \uc0ac\uc6a9\ud558\uae30<\/h2>\n
Postman\uacfc \uac19\uc740 API \ud14c\uc2a4\ud2b8 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c API \uc694\uccad\uc744 \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4. CRUD \uae30\ub2a5\uc744 \uac00\uc9c0\uace0 \uc785\ub825\ud55c \ub370\uc774\ud130\ub97c \ud655\uc778\ud574\ubcf4\uc138\uc694.<\/p>\n
7. \ub9c8\ubb34\ub9ac<\/h2>\n
\uc774 \uae00\uc5d0\uc11c\ub294 Nest.js\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac8c\uc2dc\uae00 \uc0dd\uc131\uc744 \uc704\ud55c RESTful API\ub97c \uad6c\ucd95\ud558\ub294 \uacfc\uc815\uc744 \uc0b4\ud3b4\ubcf4\uc558\uc2b5\ub2c8\ub2e4. Nest.js\uc758 \ubaa8\ub4c8, \uc11c\ube44\uc2a4, \ucee8\ud2b8\ub864\ub7ec\ub97c \uc774\uc6a9\ud558\uc5ec RESTful API\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uad6c\uc870\ub97c \uae30\ubc18\uc73c\ub85c \ub354 \ubcf5\uc7a1\ud55c \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc774\ub098 \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\ud2b9\ud788 Nest.js\uc758 \uad6c\uc870\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc740 \ucf54\ub4dc\uc758 \uc720\uc9c0\ubcf4\uc218\uc131\uc744 \ub192\uc774\uba70, \ud2b9\ud788 \ub300\uaddc\ubaa8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uadf8 \uc9c4\uac00\ub97c \ubc1c\ud718\ud569\ub2c8\ub2e4. \ucd94\uac00\ub85c, Nest.js\ub294 GraphQL, WebSocket, Microservices \ub4f1 \ub2e4\uc591\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ub514\uc790\uc778 \ud328\ud134\uc744 \uc9c0\uc6d0\ud558\ubbc0\ub85c \ud544\uc694\uc5d0 \ub530\ub77c \ud655\uc7a5\ud560 \uc218 \uc788\ub294 \uc720\uc5f0\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc774\uc81c \uc5ec\ub7ec\ubd84\ub3c4 Nest.js\ub85c RESTful API\ub97c \uad6c\ucd95\ud560 \uc218 \uc788\ub294 \uae30\ucd08\ub97c \ub2e4\uc84c\uc2b5\ub2c8\ub2e4. \uc55e\uc73c\ub85c \ub354 \ub9ce\uc740 \uae30\ub2a5\uacfc \ubc29\ubc95\ub860\uc744 \ud0d0\uad6c\ud574\ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. \uac10\uc0ac\ud569\ub2c8\ub2e4!<\/p>\n<\/article>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
\uc624\ub298\uc740 Nest.js\ub97c \uc0ac\uc6a9\ud558\uc5ec RESTful API\ub97c \uad6c\ucd95\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. RESTful API\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uac04\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \uc124\uacc4\ub41c \uc544\ud0a4\ud14d\ucc98 \uc2a4\ud0c0\uc77c\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\uc758 \uc0dd\uc131, \uac80\uc0c9, \uc5c5\ub370\uc774\ud2b8 \ubc0f \uc0ad\uc81c(CRUD)\ub97c \uc704\ud55c \uc9c1\uad00\uc801\uc778 \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. 1. Nest.js\ub780? Nest.js\ub294 Node.js\ub97c \uae30\ubc18\uc73c\ub85c \ud55c \ud6a8\uc728\uc801\uc774\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc11c\ubc84 \uc0ac\uc774\ub4dc \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. TypeScript\ub85c \uc791\uc131\ub418\uc5c8\uc73c\uba70, Angular\uc5d0\uc11c \uc601\ud5a5\uc744 \ub9ce\uc774 \ubc1b\uc544 \ubaa8\ub4c8\ud654, IoC(\uc81c\uc5b4\uc758 \uc5ed\uc804), … \ub354 \ubcf4\uae30 “12.Nest.js\ub85c RESTful API \uad6c\ucd95\ud558\uae30, \uac8c\uc2dc\uae00 \uc0dd\uc131, \uc218\uc815, \uc0ad\uc81c, \uc870\ud68c API \uad6c\ud604”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[223],"tags":[],"class_list":["post-41044","post","type-post","status-publish","format-standard","hentry","category-nextjs"],"yoast_head":"\n12.Nest.js\ub85c RESTful API \uad6c\ucd95\ud558\uae30, \uac8c\uc2dc\uae00 \uc0dd\uc131, \uc218\uc815, \uc0ad\uc81c, \uc870\ud68c API \uad6c\ud604 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/41044\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"12.Nest.js\ub85c RESTful API \uad6c\ucd95\ud558\uae30, \uac8c\uc2dc\uae00 \uc0dd\uc131, \uc218\uc815, \uc0ad\uc81c, \uc870\ud68c API \uad6c\ud604 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"\uc624\ub298\uc740 Nest.js\ub97c \uc0ac\uc6a9\ud558\uc5ec RESTful API\ub97c \uad6c\ucd95\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. RESTful API\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uac04\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \uc124\uacc4\ub41c \uc544\ud0a4\ud14d\ucc98 \uc2a4\ud0c0\uc77c\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\uc758 \uc0dd\uc131, \uac80\uc0c9, \uc5c5\ub370\uc774\ud2b8 \ubc0f \uc0ad\uc81c(CRUD)\ub97c \uc704\ud55c \uc9c1\uad00\uc801\uc778 \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. 1. Nest.js\ub780? Nest.js\ub294 Node.js\ub97c \uae30\ubc18\uc73c\ub85c \ud55c \ud6a8\uc728\uc801\uc774\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc11c\ubc84 \uc0ac\uc774\ub4dc \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. 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