version: '3.8'

services:
  backend:
    container_name: node-docker-example
    restart: always
    build:
      context: .
      target: production
    ports:
      - ${PORT}:${PORT}
    env_file:
      - .env
    environment:
      - NODE_ENV=production
      - PG_HOST=postgres
      - PG_PORT=5432
      - PG_USER=postgres
      - PG_PASSWORD=1234
      - PG_DB_NAME=articles
    volumes:
      - ./:/home/node/app
    command: dumb-init node index.js
    depends_on:
      - postgres
  postgres:
    container_name: postgres
    image: postgres:14
    volumes:
      - postgres_volume:/var/lib/postgresql/data
    environment:
      POSTGRES_USER: ${PG_USER}
      POSTGRES_PASSWORD: ${PG_PASSWORD}
      POSTGRES_DB: ${PG_DB_NAME}
    ports:
      - 5432:5432
volumes:
  postgres_volume: