medium-botframework-part1-dockerconfigs

docker-compose.yml

version: '2'

services:
  app:
    image: brunoluiz/pru-bot
    env_file: .env.development
    build:
      args:
        - NODE_ENV=development
      context: .
    volumes:
      - .:/opt/app
      - dummy:/opt/app/node_modules # Use the container's node_modules instead of the host's
    ports:
      - 80:80
      - 9229:9229
    command: ../node_modules/.bin/nodemon -L ./app.js --inspect=0.0.0.0:9229

volumes:
  dummy:

Dockerfile

FROM node:8.4.0

# Default NODE_ENV should be production (but it can be overwritten by a parameter)
ARG NODE_ENV=production
ENV NODE_ENV $NODE_ENV

# Default port should be 80 (but it can be overwritten by a parameter)
ARG PORT=80
ENV PORT $PORT
EXPOSE $PORT

# Install dependecies first, in a different folder (easier app bind mounting for local development)
WORKDIR /opt
COPY package.json /opt
RUN npm install && npm cache clean --force

# Allows access to the installed npm packages through the $PATH
ENV PATH /opt/node_modules/.bin:$PATH

# Finally, copy the application
WORKDIR /opt/app
COPY . /opt/app

CMD ["node", "app.js"]