version: "3.1"

services:
  app:
    build: .
    environment: 
      Port: 8080
      DSN: db:27017
    ports:
      - 8080:8080
    depends_on:
      - db
  db:
    image: mongo
    environment:
      MONGO_INITDB_DATABASE: store
    ports:
      - 27017:27017