docker-compose.yml

version: '3'

services:
    express-starter:
      build: .
      ports:
        - 80:${PORT}
      volumes:
        - .:/backend
      depends_on:
        - mongodb
        - postgres
      environment:
        PWD: /backend # no idea why pwd is not working
      command:
        pm2-runtime debug.config.js # debug mode for local compose
    mongodb:
      image: mongo:3.6-jessie
      environment:
        MONGO_INITDB_ROOT_USERNAME: ${INITDB_ROOT_USERNAME}
        MONGO_INITDB_ROOT_PASSWORD: ${INITDB_ROOT_PASSWORD}
        MONGO_INITDB_DATABASE: ${INITDB_DATABASE}
      volumes: 
        - ./data/mongo/db:/data/db
      restart: unless-stopped
      ports:
        - 27017:27017 # expose to localhost on development
    postgres:
      image: postgres:9.5-alpine
      environment:
        POSTGRES_USER: ${INITDB_ROOT_USERNAME}
        POSTGRES_PASSWORD: ${INITDB_ROOT_PASSWORD}
        POSTGRES_DB: ${INITDB_DATABASE}
      volumes: 
        - ./data/postgres/db:/var/lib/postgresql/data
      restart: unless-stopped
      ports:
        - 5432:5432 # expose to localhost on development

    adminer:
      image: adminer
      ports:
        - 8081:8080