# Docker Compose configuration for Real-Time Misinformation Heatmap
# Supports both development and production environments

# Docker Compose configuration for Real-Time Misinformation Heatmap
# Supports both development and production environments

services:
  # ============================================================================
  # Main Application Service
  # ============================================================================
  app:
    build:
      context: .
      dockerfile: Dockerfile
      target: ${BUILD_TARGET:-development}
    container_name: misinformation-heatmap-app
    ports:
      - "${API_PORT:-8000}:${API_PORT:-8000}"
    environment:
      # Application Configuration
      - MODE=${MODE:-local}
      - ENVIRONMENT=${ENVIRONMENT:-development}
      - LOG_LEVEL=${LOG_LEVEL:-INFO}
      - API_HOST=0.0.0.0
      - API_PORT=${API_PORT:-8000}
      
      # Database Configuration
      - DATABASE_URL=${DATABASE_URL:-sqlite:///./data/heatmap.db}
      - DATABASE_TYPE=${DATABASE_TYPE:-sqlite}
      
      # Google Cloud Configuration (optional)
      - GOOGLE_CLOUD_PROJECT=${GOOGLE_CLOUD_PROJECT:-}
      - GOOGLE_APPLICATION_CREDENTIALS=${GOOGLE_APPLICATION_CREDENTIALS:-}
      - BIGQUERY_DATASET=${BIGQUERY_DATASET:-misinformation_heatmap}
      - BIGQUERY_LOCATION=${BIGQUERY_LOCATION:-US}
      
      # Pub/Sub Configuration (optional)
      - PUBSUB_EMULATOR_HOST=${PUBSUB_EMULATOR_HOST:-}
      - PUBSUB_EVENTS_RAW_TOPIC=${PUBSUB_EVENTS_RAW_TOPIC:-events-raw}
      - PUBSUB_EVENTS_PROCESSED_TOPIC=${PUBSUB_EVENTS_PROCESSED_TOPIC:-events-processed}
      
      # External Services (optional)
      - HUGGINGFACE_TOKEN=${HUGGINGFACE_TOKEN:-}
      - WATSON_DISCOVERY_API_KEY=${WATSON_DISCOVERY_API_KEY:-}
      
      # Security Configuration
      - API_KEY_ENABLED=${API_KEY_ENABLED:-false}
      - API_KEYS=${API_KEYS:-}
      - CORS_ORIGINS=${CORS_ORIGINS:-["http://localhost:3000"]}
      
      # Performance Configuration
      - CACHE_TYPE=${CACHE_TYPE:-memory}
      - CACHE_TTL=${CACHE_TTL:-300}
      - RATE_LIMIT_ENABLED=${RATE_LIMIT_ENABLED:-true}
      
      # Monitoring Configuration
      - ENABLE_METRICS=${ENABLE_METRICS:-true}
      - ENABLE_TRACING=${ENABLE_TRACING:-false}
      
      # Data Sources Configuration
      - DATA_SOURCES_CONFIG_PATH=${DATA_SOURCES_CONFIG_PATH:-/app/config/data_sources.yaml}
      
    volumes:
      # Application code (for development)
      - ${PWD}/backend:/app/backend:${VOLUME_MODE:-ro}
      - ${PWD}/frontend:/app/frontend:${VOLUME_MODE:-ro}
      - ${PWD}/config:/app/config:${VOLUME_MODE:-ro}
      - ${PWD}/data:/app/data
      - ${PWD}/logs:/app/logs
      
      # Google Cloud credentials (if using service account file)
      # - ${GOOGLE_APPLICATION_CREDENTIALS_FILE:-./credentials.json}:${GOOGLE_APPLICATION_CREDENTIALS:-/app/credentials.json}:ro
      
    depends_on:
      - frontend
    networks:
      - misinformation-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:${API_PORT:-8000}/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 60s

  # ============================================================================
  # Frontend Service (Static File Server)
  # ============================================================================
  frontend:
    image: nginx:alpine
    container_name: misinformation-heatmap-frontend
    ports:
      - "${FRONTEND_PORT:-3000}:80"
    volumes:
      - ${PWD}/frontend:/usr/share/nginx/html:ro
      - ${PWD}/docker/nginx.conf:/etc/nginx/nginx.conf:ro
    networks:
      - misinformation-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost/"]
      interval: 30s
      timeout: 5s
      retries: 3

  # ============================================================================
  # Pub/Sub Emulator (for local development)
  # ============================================================================
  pubsub-emulator:
    image: gcr.io/google.com/cloudsdktool/cloud-sdk:alpine
    container_name: misinformation-heatmap-pubsub
    ports:
      - "${PUBSUB_PORT:-8085}:8085"
    command: >
      sh -c "
        gcloud beta emulators pubsub start 
        --host-port=0.0.0.0:8085 
        --project=${GOOGLE_CLOUD_PROJECT:-misinformation-heatmap-local}
      "
    environment:
      - PUBSUB_EMULATOR_HOST=0.0.0.0:8085
    networks:
      - misinformation-network
    restart: unless-stopped
    profiles:
      - local
      - development

  # ============================================================================
  # Redis Cache (for production caching)
  # ============================================================================
  redis:
    image: redis:7-alpine
    container_name: misinformation-heatmap-redis
    ports:
      - "${REDIS_PORT:-6379}:6379"
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru
    volumes:
      - redis-data:/data
    networks:
      - misinformation-network
    restart: unless-stopped
    profiles:
      - production
      - staging
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 30s
      timeout: 5s
      retries: 3

  # ============================================================================
  # Monitoring Services
  # ============================================================================
  prometheus:
    image: prom/prometheus:latest
    container_name: misinformation-heatmap-prometheus
    ports:
      - "${PROMETHEUS_PORT:-9090}:9090"
    volumes:
      - ${PWD}/docker/prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - prometheus-data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--web.console.libraries=/etc/prometheus/console_libraries'
      - '--web.console.templates=/etc/prometheus/consoles'
      - '--storage.tsdb.retention.time=200h'
      - '--web.enable-lifecycle'
    networks:
      - misinformation-network
    restart: unless-stopped
    profiles:
      - monitoring

  grafana:
    image: grafana/grafana:latest
    container_name: misinformation-heatmap-grafana
    ports:
      - "${GRAFANA_PORT:-3001}:3000"
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=${GRAFANA_PASSWORD:-admin}
      - GF_USERS_ALLOW_SIGN_UP=false
    volumes:
      - grafana-data:/var/lib/grafana
      - ${PWD}/docker/grafana/dashboards:/etc/grafana/provisioning/dashboards:ro
      - ${PWD}/docker/grafana/datasources:/etc/grafana/provisioning/datasources:ro
    networks:
      - misinformation-network
    restart: unless-stopped
    profiles:
      - monitoring
    depends_on:
      - prometheus

  # ============================================================================
  # Testing Services
  # ============================================================================
  test-runner:
    build:
      context: .
      dockerfile: Dockerfile
      target: development
    container_name: misinformation-heatmap-tests
    environment:
      - MODE=local
      - ENVIRONMENT=test
      - LOG_LEVEL=DEBUG
      - DATABASE_URL=sqlite:///./data/test_heatmap.db
      - PUBSUB_EMULATOR_HOST=pubsub-emulator:8085
    volumes:
      - ${PWD}:/app
      - test-results:/app/test-results
    networks:
      - misinformation-network
    profiles:
      - testing
    depends_on:
      - pubsub-emulator
    command: >
      sh -c "
        echo 'Waiting for services to start...' &&
        sleep 10 &&
        echo 'Running tests...' &&
        python -m pytest tests/ -v --cov=backend --cov-report=html --cov-report=term &&
        echo 'Running integration tests...' &&
        python tests/test_data_sources_integration.py &&
        echo 'Running E2E tests...' &&
        cd tests/e2e && python test_end_to_end.py --mode local
      "

# ============================================================================
# Networks
# ============================================================================
networks:
  misinformation-network:
    driver: bridge
    ipam:
      config:
        - subnet: 172.20.0.0/16

# ============================================================================
# Volumes
# ============================================================================
volumes:
  redis-data:
    driver: local
  prometheus-data:
    driver: local
  grafana-data:
    driver: local
  test-results:
    driver: local