version: '3.1'
services:

    postgis:
        image: cmihai/postgis
        container_name: postgis
        ports:
            - '5432:5432'
        environment:
            POSTGRES_PASSWORD: postgres
        volumes:
            - pgdata:/var/lib/postgresql/data

    pgadmin4:
        image: dpage/pgadmin4
        container_name: pgadmin4
        ports:
            - '5050:80'
        environment:
            PGADMIN_DEFAULT_EMAIL: admin
            PGADMIN_DEFAULT_PASSWORD: admin
        links:
            - postgis

volumes:
  pgdata: