production.yml

################################################################################
# Production docker-compose.yml, not meant for local development
#
# This docker-compose file is meant to be used to override settings in the
# docker/docker-compose.yml base specification. Use one of config/env.staging or
# config/env.production (or an env file based on these) to run everything:
#
# $ docker-compose --env-file env.production up -d
#
# See https://docs.docker.com/compose/production/
################################################################################
version: '3'

services:
  ##############################################################################
  # Telescope 1.0: Front-end and Legacy (pre-microservices) Back-end
  ##############################################################################
  telescope:
    build:
      context: ..
      dockerfile: Dockerfile
      # next.js needs build-time access to a number of API URL values, forward as ARGs
      args:
        # Web front-end URL
        - WEB_URL=${WEB_URL}
        # Telescope 1.0 API URL
        - API_URL=${API_URL}
        # Telescope 2.0 Microservice URLs
        - IMAGE_URL=${IMAGE_URL}
        - SSO_URL=${SSO_URL}
        - POSTS_URL=${POSTS_URL}
        - SEARCH_URL=${SEARCH_URL}
        - FEED_DISCOVERY_URL=${FEED_DISCOVERY_URL}
    container_name: 'telescope'
    restart: unless-stopped
    environment:
      # a place-holder for the variable passed by CLI with a default value
      # the passed or default value is a command to run `telescope`
      - script=${script:-start}
      # override the .env variable for `REDIS_URL`
      - REDIS_URL=redis://redis:6379
      # variables for elasticsearch
      - ES_HOST=elasticsearch
      - ELASTIC_PORT=9200
      - ELASTIC_URL=http://elasticsearch
      # Environment values we expect from our legacy .env file
      - NODE_ENV=production
      - PORT
      - POSTS_URL
      - API_URL
      - SSO_URL
      - WEB_URL
      - SEARCH_URL
      - FEED_DISCOVERY_URL
      - LOG_LEVEL
      - FEED_URL
      - FEED_URL_INTERVAL_MS
      - ELASTIC_MAX_RESULTS_PER_PAGE
      - ELASTIC_DELAY_MS
      - SSO_LOGIN_URL
      - SSO_LOGIN_CALLBACK_URL
      - SLO_LOGOUT_URL
      - SLO_LOGOUT_CALLBACK_URL
      - SSO_IDP_PUBLIC_KEY_CERT
      - SAML_ENTITY_ID
      - ADMINISTRATORS
      - FEED_PROCESSING_DELAY_SEC
      - FEED_QUEUE_ATTEMPTS
      - FEED_QUEUE_DELAY_MS
      - FEED_QUEUE_PARALLEL_WORKERS
      - MAX_POSTS_PER_PAGE
      - GIT_COMMIT
    depends_on:
      - redis
      - elasticsearch

  ##############################################################################
  # Telescope 2.0 Microservices
  ##############################################################################

  # status service
  status:
    image: docker.cdot.systems/status:${DOCKER_DEPLOY_TAG:-latest}
    restart: unless-stopped
    environment:
      - POSTS_URL

  # image service
  image:
    image: docker.cdot.systems/image:${DOCKER_DEPLOY_TAG:-latest}
    restart: unless-stopped

  # sso auth service
  sso:
    image: docker.cdot.systems/sso:${DOCKER_DEPLOY_TAG:-latest}
    restart: unless-stopped

  # posts service
  posts:
    image: docker.cdot.systems/posts:${DOCKER_DEPLOY_TAG:-latest}
    restart: unless-stopped

  # parser service
  parser:
    image: docker.cdot.systems/parser:${DOCKER_DEPLOY_TAG:-latest}
    restart: unless-stopped

  # planet service
  planet:
    image: docker.cdot.systems/planet:${DOCKER_DEPLOY_TAG:-latest}
    restart: unless-stopped

  # search service
  search:
    image: docker.cdot.systems/search:${DOCKER_DEPLOY_TAG:-latest}
    restart: unless-stopped
    environment:
      - ELASTIC_URL=http://elasticsearch
      - ELASTIC_PORT=9200

  dependency-discovery:
    image: docker.cdot.systems/dependency-discovery:${DOCKER_DEPLOY_TAG:-latest}
    restart: unless-stopped

  feed-discovery:
    image: docker.cdot.systems/feed-discovery:${DOCKER_DEPLOY_TAG:-latest}
    restart: unless-stopped

  ##############################################################################
  # Third-Party Dependencies and Support Services
  ##############################################################################

  # Our main ingress router, handling all traffic on 80/443
  nginx:
    image: docker.cdot.systems/nginx:${DOCKER_DEPLOY_TAG:-latest}
    volumes:
      # Pass a templated version of our nginx.conf so the Telescope domains are replaced
      - ../config/nginx.conf.template:/etc/nginx/nginx.conf.template
      - ../../certbot/conf:/etc/letsencrypt
      - ../../certbot/www:/var/www/certbot
    ports:
      - 80:80
      - 443:443
    restart: unless-stopped
    depends_on:
      - telescope
    # This makes nginx swap only the specified environment variables in our template (see:
    # https://github.com/docker-library/docs/issues/496) and then reload this configuration
    # (and the associated certificates) every six hours in the background and launches nginx
    # in the foreground.
    command: /bin/sh -c "envsubst '$$TELESCOPE_HOST $$API_HOST $$PORTAINER_HOST' < /etc/nginx/nginx.conf.template > /etc/nginx/nginx.conf && while :; do sleep 6h & wait $${!}; nginx -s reload; done & nginx -g 'daemon off;'"

  # API Gateway running on 8888. We use nginx in front of this for secure/compressed/cached responses
  traefik:
    restart: unless-stopped
    command:
      - '--api.insecure=false'
      - '--providers.docker=true'
      - '--providers.docker.exposedbydefault=false'
      - '--entryPoints.web.address=:8888'

  # SSL certificate management for nginx
  certbot:
    image: certbot/certbot
    container_name: 'certbot'
    volumes:
      - ../../certbot/conf:/etc/letsencrypt
      - ../../certbot/www:/var/www/certbot
    restart: always
    # This will check if your certificate is up for renewal every 12 hours as recommended by Let’s Encrypt
    entrypoint: "/bin/sh -c 'trap exit TERM; while :; do certbot renew; sleep 12h & wait $${!}; done;'"

  redis:
    restart: unless-stopped
    volumes:
      # TODO: confirm this path...
      - ../../redis-data:/data

  elasticsearch:
    restart: unless-stopped
    volumes:
      # The directory in the host where the data from elasticsearch will be stored
      # needs to be owned by 1000:1000
      # https://discuss.elastic.co/t/elastic-elasticsearch-docker-not-assigning-permissions-to-data-directory-on-run/65812/3
      # TODO: confirm this path...
      - ../../elastic-data:/usr/share/elasticsearch/data:rw
    labels:
      # Disable Elasticsearch routing via Traefik in production (we enable it in development)
      - 'traefik.enable=false'
    environment:
      # Prefer memory to swap (faster)
      - bootstrap.memory_lock=true
      # Limit the initial heap size. By default it will use 1/4 of available RAM
      - 'ES_JAVA_OPTS=-Xms512m -Xmx512m'
      # We only run a single node
      - discovery.type=single-node
    ulimits:
      memlock:
        soft: -1
        hard: -1

  rss-bridge:
    restart: unless-stopped

  # Portainer's routing is managed in our nginx.conf
  portainer:
    image: portainer/portainer-ce:alpine
    container_name: 'portainer'
    command: -H unix:///var/run/docker.sock --admin-password-file '/data/portainer'
    restart: unless-stopped
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - ../../portainer:/data
      - ../../portainer/portainer:/data/portainer
    depends_on:
      - nginx