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

# JupyterHub docker-compose configuration file
version: "3"

services:
  hub-db:
    image: postgres:9.5
    container_name: ${HUB_NAME}-db
    restart: always
    environment:
      POSTGRES_DB: ${HUB_NAME}
      PGDATA: "/var/lib/postgresql/data"
    env_file:
      - secrets/postgres.env
    volumes:
      - "db:/var/lib/postgresql/data"

  hub:
    depends_on:
      - hub-db
    build:
      context: .
      dockerfile: Dockerfile.jupyterhub
      args:
        JUPYTERHUB_VERSION: ${JUPYTERHUB_VERSION}
    restart: always
    image: ${HUB_NAME}
    container_name: ${HUB_NAME}
    volumes:
      # Bind Docker socket on the host so we can connect to the daemon from
      # within the container
      - "/var/run/docker.sock:/var/run/docker.sock:rw"
      # Bind Docker volume on host for JupyterHub database and cookie secrets
      - "data:/data"
      - "./jupyterhub_config.py:/srv/jupyterhub/jupyterhub_config.py"
      - "./userlist:/srv/jupyterhub/userlist"
      - "/home/math/:/home/"
    ports:
      - "${PORT_NUM}:8000"
    links:
      - hub-db
    environment:
      #HUB_NAME: ${HUB_NAME}
      # Notebook directory inside user image
      #DOCKER_NOTEBOOK_DIR: ${DOCKER_NOTEBOOK_DIR}
      # Using this run command (optional)
      #DOCKER_SPAWN_CMD: ${DOCKER_SPAWN_CMD}
      # Postgres db info
      POSTGRES_DB: ${HUB_NAME}
      POSTGRES_HOST: hub-db
    env_file:
      - secrets/postgres.env
      - secrets/oauth.env
      - .env
    command: >
      jupyterhub -f /srv/jupyterhub/jupyterhub_config.py

volumes:
  data:
    external:
      name: ${HUB_NAME}-data
  db:
    external:
      name: ${HUB_NAME}-db-data

networks:
  default:
    external:
      name: ${HUB_NAME}-network