create local postgres database with docker compose file

docker-compose.yml

# run `docker-compose up -d` to start
# verify with `docker ps` or `lsof -i :5432`
services:
  db:
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
      - POSTGRES_DB=postgres
    image: postgres:latest
    ports:
      - "5432:5432"
    restart: always    
    volumes:
      - ./postgres-data:/var/lib/postgresql/data
version: "3.7"