shellphone.app/docker-compose.yml

version: "3.7"

services:
    db:
        image: postgres:13-alpine
        restart: unless-stopped
        volumes:
            - data:/var/lib/postgresql/data
        env_file: ./.env #Here we are using the already existing .env file
        ports:
            - "5432:5432"
    pga:
        image: dpage/pgadmin4
        environment:
            PGADMIN_DEFAULT_EMAIL: root@localhost.localdomain
            PGADMIN_DEFAULT_PASSWORD: secret
            PGADMIN_DISABLE_POSTFIX: "true"
            PGADMIN_CONFIG_SERVER_MODE: "False"
        network_mode: host
        volumes:
            - pgadmin:/var/lib/pgadmin

volumes:
    data:
    pgadmin: