---

# Use postgres/example user/password credentials
version: '3.9'
services:
  db:
    image: postgres
    restart: always
    # set shared memory limit when using docker-compose
    shm_size: 128mb
    # or set shared memory limit when deploy via swarm stack
    volumes:
      - ./postgres:/var/lib/postgresql/data

    environment:
      POSTGRES_PASSWORD: postgres
      PG_DATA: /var/lib/postgresql/data/pgdata
    ports: [5432:5432]

  adminer:
    image: adminer
    restart: always
    ports: [8080:8080]