conversational-agent/stack.yml at master · readerbench/conversational-agent · GitHub

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version: '3.8'

services:
  # API Gateway
  kong:
    image: kong:latest
    volumes:
      - ./kong.yml:/usr/local/kong/declarative/kong.yml
    environment:
      KONG_DATABASE: 'off'
      KONG_DECLARATIVE_CONFIG: /usr/local/kong/declarative/kong.yml
      KONG_PROXY_ACCESS_LOG: /dev/stdout
      KONG_ADMIN_ACCESS_LOG: /dev/stdout
      KONG_PROXY_ERROR_LOG: /dev/stderr
      KONG_ADMIN_ERROR_LOG: /dev/stderr
      KONG_ADMIN_LISTEN: 0.0.0.0:8001, 0.0.0.0:8444 ssl
    ports:
      - "80:8000"
      - "443:8443"
    deploy:
      replicas: 1
      placement:
        constraints: [ node.role == manager ]
        max_replicas_per_node: 1
      update_config:
        order: start-first
      rollback_config:
        order: stop-first
    networks:
      - net-api-gateway

  # React web UI for interacting with the bot
  web-ui:
    image: registry.gitlab.com/gabrielboroghina/pepper-conv-agent/pepper-web
    environment:
      RASA_SERVER_HOST: pepper_rasa-server
    networks:
      - net-api-gateway
    deploy:
      replicas: 1
      placement:
        max_replicas_per_node: 1

  # Conversational agent server
  rasa-server:
    image: registry.gitlab.com/gabrielboroghina/pepper-conv-agent/rasa-server
    environment:
      RASA_ACTIONS_API_HOST: rasa-actions
      RASA_ACTIONS_API_PORT: 80
    command: "rasa run -p 80 --enable-api --endpoints endpoints.prod.yml"
    networks:
      - net-api-gateway
      - net-rasa
    depends_on:
      - rasa-actions

  # RASA actions HTTP server
  rasa-actions:
    image: registry.gitlab.com/gabrielboroghina/pepper-conv-agent/rasa-actions
    environment:
      KB_API_URL: "http://graphdb/repositories/pepper"
      KB_BASE_URI: "http://www.readerbench.com/pepper"
    command: bash -c "echo Waiting... && sleep 30 && rasa run actions -p 80" # Wait for the DB to initialize
    networks:
      - net-rasa
      - net-db
    depends_on:
      - graphdb
    deploy:
      resources:
        limits:
          memory: 200M

  # Knowledge base
  graphdb:
    image: registry.gitlab.com/gabrielboroghina/pepper-conv-agent/graphdb
    volumes:
      - vol-graphdb:/opt/graphdb-instance/
    networks:
      - net-api-gateway
      - net-db
    deploy:
      resources:
        limits:
          cpus: '0.75'
          memory: 900M

volumes:
  vol-graphdb: # DB persistence volume

networks:
  net-api-gateway:  # Connect services to Kong API Gateway
  net-db:           # Access to DB service
  net-rasa:         # Connect Rasa server to Rasa actions server