How to use Postgres with Docker

version: '3.8'

services:
  postgres:
    image: postgres:14.2-alpine
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
      POSTGRES_DB: mydatabase
      PGDATA: /data/mydatabase
    volumes:
      - pgstore:/var/lib/postgresql/data
    ports:
      - '5432:5432'
    networks:
      - postgres
    restart: unless-stopped

  pgadmin:
    image: dpage/pgadmin4:6.5
    environment:
      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_EMAIL:-admin@admin.com}
      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD:-admin}
    volumes:
      - pgadmin:/root/.pgadmin
    ports:
      - '5050:80'
    networks:
      - postgres
    depends_on:
      - postgres
    restart: unless-stopped

networks:
  postgres:
    driver: bridge

volumes:
  pgstore:
  pgadmin:

docker-compose up

docker exec -it node-express-server-rest-api-postgres-1 psql -U <username> <database>