Docker Compose for Strapi with Mongodb

docker-compose.yml

version : "3"

services:
  strapi-mongo:
    image: mongo
    environment:
      - MONGO_INITDB_DATABASE=strapi
    volumes:
      - ./db:/data/db
  strapi-app:
    image: strapi/strapi
    environment:
      - DATABASE_CLIENT=mongo
      - DATABASE_HOST=strapi-mongo
      - DATABASE_PORT=27017
      - DATABASE_NAME=strapi
    volumes:
      - ./strapiapp:/usr/src/api/strapi-app
    ports:
      - 1337:1337