odd-demonstration/docker-compose.demo.yml at main · oddessentials/odd-demonstration · GitHub

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version: '3.8'

# Demo Mode: Docker-Only Distributed Task Observatory
# All containers use odto-demo- prefix to avoid conflicts with full (kind) installation
# All ports are in 13000+ range to avoid conflicts with common dev ports

networks:
  odto-demo-net:
    name: odto-demo-net

volumes:
  odto-demo-postgres:
  odto-demo-mongo:
  odto-demo-redis:
  odto-demo-rabbitmq:

services:
  # PostgreSQL - Event sourcing store
  postgres:
    container_name: odto-demo-postgres
    image: postgres:15-alpine
    networks: [odto-demo-net]
    volumes:
      - odto-demo-postgres:/var/lib/postgresql/data
    environment:
      POSTGRES_USER: observatory
      POSTGRES_PASSWORD: demo
      POSTGRES_DB: events
    # NOT exposed on host - internal only

  # MongoDB - Job metadata store
  mongodb:
    container_name: odto-demo-mongo
    image: mongo:7
    networks: [odto-demo-net]
    volumes:
      - odto-demo-mongo:/data/db
    # NOT exposed on host - internal only

  # Redis - Caching layer
  redis:
    container_name: odto-demo-redis
    image: redis:7-alpine
    networks: [odto-demo-net]
    volumes:
      - odto-demo-redis:/data
    # NOT exposed on host - internal only

  # RabbitMQ - Message broker
  rabbitmq:
    container_name: odto-demo-rabbitmq
    image: rabbitmq:3-management-alpine
    networks: [odto-demo-net]
    volumes:
      - odto-demo-rabbitmq:/var/lib/rabbitmq
    ports:
      - "25672:15672"  # Management UI only - AMQP intentionally NOT exposed
    environment:
      RABBITMQ_DEFAULT_USER: observatory
      RABBITMQ_DEFAULT_PASS: demo

  # Gateway - API entry point
  gateway:
    container_name: odto-demo-gateway
    image: node:20-alpine
    working_dir: /app
    networks: [odto-demo-net]
    ports:
      - "13000:3000"
    depends_on:
      - rabbitmq
      - postgres
    environment:
      - NODE_ENV=production
      - PORT=3000
      - RABBITMQ_URL=amqp://observatory:demo@odto-demo-rabbitmq:5672
      - POSTGRES_URL=postgres://observatory:demo@odto-demo-postgres:5432/events
    volumes:
      - ../../src/services/gateway:/app:ro
    command: sh -c "npm install --omit=dev && npm start"

  # Processor - Job execution (Python)
  processor:
    container_name: odto-demo-processor
    image: python:3.11-slim
    working_dir: /app
    networks: [odto-demo-net]
    depends_on:
      - rabbitmq
    environment:
      - RABBITMQ_URL=amqp://observatory:demo@odto-demo-rabbitmq:5672
    volumes:
      - ../../src/services/processor:/app:ro
    command: sh -c "pip install --no-cache-dir -r requirements.txt && python main.py"
    # NOT exposed on host - internal only

  # Metrics Engine - Observability (Go)
  metrics-engine:
    container_name: odto-demo-metrics-engine
    image: golang:1.21-alpine
    working_dir: /app
    networks: [odto-demo-net]
    depends_on:
      - rabbitmq
    environment:
      - RABBITMQ_URL=amqp://observatory:demo@odto-demo-rabbitmq:5672
    volumes:
      - ../../src/services/metrics-engine:/app:ro
    command: sh -c "go run ."
    # NOT exposed on host - internal only

  # Read Model - Query API (Go)
  read-model:
    container_name: odto-demo-read-model
    image: golang:1.21-alpine
    working_dir: /app
    networks: [odto-demo-net]
    ports:
      - "18080:8080"
    depends_on:
      - mongodb
      - postgres
    environment:
      - MONGO_URL=mongodb://odto-demo-mongo:27017
      - POSTGRES_URL=postgres://observatory:demo@odto-demo-postgres:5432/events
    volumes:
      - ../../src/services/read-model:/app:ro
    command: sh -c "go run ."

  # Web Dashboard UI
  web-ui:
    container_name: odto-demo-web
    image: node:20-alpine
    working_dir: /app
    networks: [odto-demo-net]
    ports:
      - "18081:8080"
    depends_on:
      - gateway
      - read-model
    environment:
      - GATEWAY_URL=http://odto-demo-gateway:3000
      - READ_MODEL_URL=http://odto-demo-read-model:8080
    volumes:
      - ../../src/interfaces/web:/app:ro
    command: sh -c "npm install --omit=dev && npm start"

# Port mapping summary (demo mode uses 13000+ range):
#
# | Service        | Internal | Demo Host | Purpose           |
# |----------------|----------|-----------|-------------------|
# | gateway        | 3000     | 13000     | API               |
# | read-model     | 8080     | 18080     | Query API         |
# | web-ui         | 8080     | 18081     | Dashboard         |
# | rabbitmq-mgmt  | 15672    | 25672     | RabbitMQ UI       |
# | postgres       | 5432     | -         | Internal only     |
# | mongodb        | 27017    | -         | Internal only     |
# | redis          | 6379     | -         | Internal only     |
# | rabbitmq-amqp  | 5672     | -         | Internal only     |