docker compose node

1version: '2'
2services:
3  web:
4    build: .
5    command: npm run dev
6    volumes:
7      - .:/usr/app/
8      - /usr/app/node_modules
9    ports:
10      - "3000:3000"
11    depends_on:
12      - postgres
13    environment:
14      DATABASE_URL: postgres://todoapp@postgres/todos
15  postgres:
16    image: postgres:9.6.2-alpine
17    environment:
18      POSTGRES_USER: todoapp
19      POSTGRES_DB: todos

1version: '3'
2
3services:
4  backend:
5    env_file:
6        "./backend/backend.env"
7    build:
8      context: ./backend
9      dockerfile: ./Dockerfile
10    image: "dmurphy1217/twitter-sentiment-backend"
11    ports:
12      - "5000:5000"
13  frontend:
14    build:
15      context: ./client
16      dockerfile: ./Dockerfile
17    image: "dmurphy1217/twitter-sentiment-frontend"
18    ports:
19      - "3000:3000"
20    links:
21      - "backend:be"