first version

.dockerignore

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+node_modules/

.drone.yml

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+kind: pipeline
+name: default
+
+steps:
+  - name: gitea_release
+    image: plugins/gitea-release
+    settings:
+      api_key:
+        from_secret: gitea_token
+      base_url: https://git.trj.tw
+      files: ./*
+      checksum:
+        - md5
+        - sha1
+        - sha256
+    when:
+      event: tag

.gitignore

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+node_modules/

Dockerfile

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+FROM node:lts-alpine
+LABEL maintainer="Jay <admin@trj.tw>"
+WORKDIR /data
+COPY . .
+RUN npm install
+CMD ["npm", "start"]

config/index.js

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+const env = process.env
+module.exports = {
+  server: {
+    port: env.SERVER_PORT || 10230
+  }
+}

controller/index.js

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+const controller = {}
+module.exports = controller
+
+controller.healthCheck = async (ctx, next) => {
+  ctx.body = 'ok'
+  ctx.status = 200
+}

index.js

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+require('dotenv').config()
+require('module-alias/register')
+
+require('./server.js')

jsconfig.json

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+{
+  "compilerOptions": {
+    "moduleResolution": "node",
+    "baseUrl": ".",
+    "paths": {
+      "@libs/*": ["libs/*"],
+      "@config/*": ["config/*"],
+      "@route/*": ["route/*"],
+      "@controller/*": ["controller/*"]
+    }
+  }
+}

libs/index.js

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+const libs = {}
+module.exports = libs

package.json

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+{
+  "name": "koa-template",
+  "version": "1.0.0",
+  "description": "koa server template",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "Jay <admin@trj.tw>",
+  "license": "MIT",
+  "dependencies": {
+    "@koa/cors": "^3.0.0",
+    "@koa/router": "^8.0.5",
+    "dotenv": "^8.2.0",
+    "koa": "^2.11.0",
+    "koa-body": "^4.1.1",
+    "koa-logger": "^3.2.1",
+    "koa-session2": "github:otakukaze/koa-session2#master",
+    "module-alias": "^2.2.2"
+  },
+  "_moduleAliases": {
+    "@libs": "libs",
+    "@config": "config",
+    "@route": "route",
+    "@controller": "controller"
+  }
+}

route/index.js

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+const Router = require('@koa/router')
+const r = new Router()
+module.exports = r
+
+const controller = require('@controller/index.js')
+
+r.get('/', controller.healthCheck)

server.js

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+const Koa = require('koa')
+const app = new Koa()
+const config = require('@config/index.js')
+
+const server = app.listen(config.server.port, () => {
+  console.log(`server start on port ${server.address().port}`)
+})
+module.exports = server
+
+// load middleware module
+const koaLogger = require('koa-logger')
+const koaCors = require('@koa/cors')
+const rootRouter = require('@route/index.js')
+
+app.use(koaLogger())
+app.use(koaCors({
+  credentials: true,
+  // allow all origin
+  origin: ctx => ctx.get('origin')
+}))
+app.use(rootRouter.allowedMethods())
+app.use(rootRouter.routes())