Run PostgreSQL in Docker

docker-compose.yml

version: "3"

services:
    db:
        image: postgres
        restart: always
        ports:
            - 5432:5432
        environment:
            POSTGRES_USER: postgres # default is postgres, same as POSTGRES_DB
            POSTGRES_PASSWORD: changeme

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