Docker Mongo Node

docker-compose.yml

version: "2"
services:
  app:
    container_name: app
    restart: always
    build: .
    ports:
      - "8000:8000"
    links:
      - mongo

  mongo:
    container_name: mongo
    image: mongo
    volumes:
      - ./data:/data/db
    ports:
      - "27017:27017"

Dockerfile

FROM  node:latest
RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app
COPY package.json /usr/src/app/
RUN npm install
COPY . /usr/src/app
EXPOSE 8000
CMD [ "npm", "start" ]