docker-compose.yaml

version: '3.8'

services:
  postgres:
    image: postgres
    restart: always
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
    env_file: .env
    ports:
      - ${POSTGRES_PORT}:${POSTGRES_PORT}
    volumes:
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql
      - database-data:/var/lib/postgresql/data/ # persist data even if container shuts down
  pgadmin:
    image: dpage/pgadmin4
    env_file: .env
    environment:
      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_EMAIL}
      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD}
    ports:
      - $POSTGRES_ADMIN_PORT:$EXPOSED_POSTGRES_ADMIN_PORT
    depends_on:
      - postgres
  app:
    build:
      context: .
      dockerfile: app/Dockerfile
    command: nodemon app/index.js
    image: node-api-postgres
    env_file: .env
    ports:
      - $NODE_PORT:$EXPOSED_NODE_PORT
    environment:
      DATABASE_URL: postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:${POSTGRES_PORT}/${POSTGRES_DB}
      DB_USER: ${POSTGRES_USER}
      DB_PASS: ${POSTGRES_PASSWORD}
    volumes:
      - ./:/usr/src/api
      - usr/src/api/node_modules
    depends_on:
      - postgres
    links:
      - postgres
    stdin_open: true
    tty: true

volumes:
  database-data: