docker compose for PostgreSQL and PGAdmin

docker-compose.yaml

version: "3.8"
services:
  db:
    image: postgres
    container_name: local_pgdb
    restart: always
    ports:
      - "5432:5432"
    environment:
      POSTGRES_USER: your-username            
      POSTGRES_PASSWORD: your-strong-password  
    volumes:
      - local_pgdata:/var/lib/postgresql/data
  pgadmin:
    image: dpage/pgadmin4
    container_name: local_pgadmin4
    restart: always
    ports:
      - "5050:80"
    environment:
      PGADMIN_DEFAULT_EMAIL: your-email
      PGADMIN_DEFAULT_PASSWORD: your-strong-password 
    volumes:
      - local_pgadmindata:/var/lib/pgadmin

volumes:
  local_pgdata:
  local_pgadmindata: