version: "3.8"

services:
  app:
    image: francescoxx/nodejs-twitter-api-server-example:0.0.1
    build:
      context: .
      dockerfile: Dockerfile
    ports:
      - "3000:3000"

    # When you set the same environment variable in multiple files,
    # here’s the priority used by Compose to choose which value to use:

    # Compose file
    # Shell environment variables
    # Environment file
    # Dockerfile
    # Variable is not defined
    environment:
      - API_KEY=${API_KEY}
      - API_SECRET=${API_SECRET}
      - ACCESS_TOKEN=${ACCESS_TOKEN}
      - ACCESS_TOKEN_SECRET=${ACCESS_TOKEN_SECRET}