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

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

services:
  hub-db:
    image: postgres:9.5
    container_name: jupyterhub-db
    restart: always
    environment:
      POSTGRES_DB: ${POSTGRES_DB}
      PGDATA: ${DB_VOLUME_CONTAINER}
    env_file:
      - secrets/postgres.env
    volumes:
      - "db:${DB_VOLUME_CONTAINER}"

  hub:
    depends_on:
      - hub-db
    build:
      context: .
      dockerfile: Dockerfile.jupyterhub
      args:
        JUPYTERHUB_VERSION: ${JUPYTERHUB_VERSION}
    restart: always
    image: jupyterhub
    container_name: jupyterhub
    volumes:
      # Bind Docker socket on the host so we can connect to the daemon from
      # within the container
      - "/var/run/docker.sock:/var/run/docker.sock:rw"
      # Bind Docker volume on host for JupyterHub database and cookie secrets
      - "data:${DATA_VOLUME_CONTAINER}"
    links:
      - hub-db
    environment:
      # All containers will join this network
      DOCKER_NETWORK_NAME: ${DOCKER_NETWORK_NAME}
      # JupyterHub will spawn this Notebook image for users
      DOCKER_NOTEBOOK_IMAGE: ${LOCAL_NOTEBOOK_IMAGE}
      # 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: ${POSTGRES_DB}
      POSTGRES_HOST: hub-db
      VIRTUAL_HOST: hub.consistentbayes.com
      LETSENCRYPT_HOST: hub.consistentbayes.com
      LETSENCRYPT_EMAIL: consistentbayes@gmail.com

    env_file:
      - secrets/postgres.env
      - secrets/oauth.env
    command: >
      jupyterhub -f /srv/jupyterhub/jupyterhub_config.py
    labels:                          # Traefik configuration.
      - "traefik.enable=true"
      - "traefik.frontend.rule=Host:hub.consistentbayes.com"

  nginx:
    image: nginx:latest
    container_name: nginx
    volumes:
      - /etc/nginx/conf.d
      - /etc/letsencrypt/live:/etc/nginx/certs:ro
      - /etc/nginx/vhost.d
      - /usr/share/nginx/html
    ports:
      - "80:80"
      - "443:443"
    labels:
      - "com.github.jrcs.letsencrypt_nginx_proxy_companion.nginx_proxy"

  nginx-gen:
    image: jwilder/docker-gen
    container_name: nginx-gen
    volumes_from: [nginx]
    volumes:
      - /path/to/nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl:ro
      - /var/run/docker.sock:/tmp/docker.sock:ro
    command: -notify-sighup nginx -watch -wait 5s:30s /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf
    labels:
      - "com.github.jrcs.letsencrypt_nginx_proxy_companion.docker_gen"

  nginx-letsencrypt:
    image: jrcs/letsencrypt-nginx-proxy-companion
    container_name: nginx-letsencrypt
    volumes_from: [nginx]
    volumes:
      - /etc/letsencrypt/live:/etc/nginx/certs:rw
      - /var/run/docker.sock:/var/run/docker.sock:ro
    environment:
      - NGINX_DOCKER_GEN_CONTAINER=nginx-gen
      - NGINX_PROXY_CONTAINER=nginx

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

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