docker-compose.yml

# File for running the lab development environment. It assumes the current directory contains
# the lab source.

version: '3'
services:

  ###############################
  # Built from local Dockerfile #
  ###############################
  lab:
    # Build the Dockerfile in this directory.
    build: .
    # Mount this directory as a volume at /app
    volumes:
      - '.:/app'
    
    # Make all commands relative to our application directory
    working_dir: /app

    # Set some environment variables to be used in the application
    environment:
      REDIS_URL: 'redis://redis_db:6379'
      WEBLAB_REDIS_URL: 'redis://redis_db:6379'
      SOCKETIO_REDIS_URL: 'redis://redis_db:6379'
      FLASK_APP: autoapp.py

    # The process that runs in the container.
    # Remember, a container runs only ONE process.
    command: /bin/bash -c "python run_debug.py"

    # Make the port available on the host machine
    # so that we can navigate there with our web browser.
    ports:
      - '5000:5000'

    # Link this container to other containers to create
    # a network interface.
    links:
      - redis_db

  redis_db:
    image: redis
    ports:
      - '6379:6379'