docker for koa

目录

koa
├── docker-compose.yml
└── src
    └── index.js

src/index.js

const Koa = require('koa');
const app = new Koa();
const logger = require('koa-logger')
const port = 3000

app.use(logger())

// response
app.use(ctx => {
  ctx.body = 'Hello Koa';
});

app.listen(port, () => {
  console.log('Listening on port: %d', port)
});

docker-compose.yml

version: "3.7"

services:
  koa:
    image: node:14.19.0-slim
    container_name: koa
    command: sh -c "cd /src && yarn add koa koa-logger && node ./index.js"
    volumes:
      - ./src:/src
    networks:
      - proxy