$ docker run --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword -p 5432:5432 -d postgres

docker run --name postgresql-container -p 5432:5432 -e POSTGRES_PASSWORD=somePassword -d postgres

version: "3.9"

services:

  db:

    image: postgres

    volumes:

      - ./data/db:/var/lib/postgresql/data

    environment:

      - POSTGRES_DB=postgres

      - POSTGRES_USER=postgres

      - POSTGRES_PASSWORD=postgres

  web:

    build: .

    command: python manage.py runserver 0.0.0.0:8000

    volumes:

      - .:/code

    ports:

      - "8000:8000"

    environment:

      - POSTGRES_NAME=postgres

      - POSTGRES_USER=postgres

      - POSTGRES_PASSWORD=postgres

    depends_on:

      - db

docker run --name postgres -p 5432:5432 --restart always -e POSTGRES_DB="postgres" -e POSTGRES_USER="admin" -e POSTGRES_PASSWORD="123" postgres:14-alpine

docker exec -it <database_name> psql -U <username> -W <username>