docker-compose.yml

version: '3.5'

services:
  postgres:
    image: postgres
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      PGDATA: /data/postgres
    volumes:
       - postgres:/data/postgres
    ports:
      - "5432"
    restart: unless-stopped
  
  pgadmin:
    image: dpage/pgadmin4
    environment:
      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_USERNAME}
      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD}
    volumes:
       - pgadmin:/root/.pgadmin
       - ./servers.json:/pgadmin4/servers.json
    ports:
      - "${PGADMIN_PORT}:80"
    restart: unless-stopped

volumes:
    postgres:
    pgadmin: