PostgreSQL docker-compose

docker-compose.yml

version: "3.8"
services:
  db:
    container_name: my-pg-container
    image: postgres
    restart: always
    ports:
      - "5432:5432"
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
      - POSTGRES_DB=my-db
    volumes:
      - postgresdata:/var/lib/postgresql/data
    networks:
      - pgnetwork
  pgadmin:
    container_name: my-pgadmin
    image: dpage/pgadmin4
    restart: always
    ports: 
      - "5050:80"
    environment:
      - PGADMIN_DEFAULT_EMAIL=test@test.com
      - PGADMIN_DEFAULT_PASSWORD=test
    volumes:
      - pgadmindata:/var/lib/pgadmin
    networks:
      - pgnetwork
volumes:
  postgresdata:
  pgadmindata:
networks:
  pgnetwork: