version: "3.8"

services:
  db:
    image: postgres
    restart: always
    shm_size: 128mb
    ports:
      - 5432:5432
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
    volumes:
      - pgdata:/var/lib/postgresql/data

  adminer:
    image: adminer
    restart: always
    ports:
      - 8080:8080

volumes:
    pgdata: {}