# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.

# JupyterHub docker-compose configuration file
version: "2"

services:
  hub:
    build:
      context: .
      dockerfile: Dockerfile.jupyterhub
    image: jupyterhub
    container_name: jupyterhub
    volumes:
      # Bind Docker binary from host machine so we can invoke Docker commands
      # from inside container
      - "/usr/local/bin/docker:/usr/local/bin/docker:ro"
      # Bind Docker TLS certs from host machine so we can authenticate with the
      # daemon on the host (DOCKER_HOST should be set to host's IP)
      - "/etc/docker:/etc/docker:ro"
      # Bind Docker volume on host for JupyterHub database and cookie secrets
      - "data:${DATA_VOLUME_CONTAINER}"
    ports:
      - "443:443"
    environment:
      # Pass DOCKER_HOST to container to allow it to connect to daemon on host
      DOCKER_HOST: ${DOCKER_HOST}
      # Locations of TLS certificate and key needed to auth with daemon on host
      DOCKER_TLS_CERT: "/etc/docker/server.pem"
      DOCKER_TLS_KEY: "/etc/docker/server-key.pem"
      # All containers will join this network
      DOCKER_NETWORK_NAME: ${DOCKER_NETWORK_NAME}
      # JupyterHub will spawn this Notebook image for users
      DOCKER_NOTEBOOK_IMAGE: ${DOCKER_NOTEBOOK_IMAGE}
      # Using this run command (optional)
      DOCKER_SPAWN_CMD: ${DOCKER_SPAWN_CMD}
      # Required to authenticate users using GitHub OAuth
      GITHUB_CLIENT_ID: ${GITHUB_CLIENT_ID}
      GITHUB_CLIENT_SECRET: ${GITHUB_CLIENT_SECRET}
      OAUTH_CALLBACK_URL: ${OAUTH_CALLBACK_URL}
    command: >
      jupyterhub -f /srv/jupyterhub/jupyterhub_config.py

volumes:
  data:
    external:
      name: ${DATA_VOLUME_HOST}

networks:
  default:
    external:
      name: ${DOCKER_NETWORK_NAME}