docker-compose.monitoring.yml

version: '3.8'

services:
  # Prometheus - Metrics Collection
  prometheus:
    image: prom/prometheus:latest
    container_name: nexus-prometheus
    ports:
      - "9090:9090"
    volumes:
      - ./monitoring/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
      - ./monitoring/prometheus/alert_rules.yml:/etc/prometheus/alert_rules.yml
      - 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:
      - monitoring
    restart: unless-stopped

  # Grafana - Visualization
  grafana:
    image: grafana/grafana:latest
    container_name: nexus-grafana
    ports:
      - "3001:3000"
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=admin123
      - GF_USERS_ALLOW_SIGN_UP=false
    volumes:
      - grafana_data:/var/lib/grafana
      - ./monitoring/grafana/provisioning:/etc/grafana/provisioning
      - ./monitoring/grafana/dashboards:/var/lib/grafana/dashboards
    networks:
      - monitoring
    restart: unless-stopped

  # AlertManager - Alert Management
  alertmanager:
    image: prom/alertmanager:latest
    container_name: nexus-alertmanager
    ports:
      - "9093:9093"
    volumes:
      - ./monitoring/alertmanager.yml:/etc/alertmanager/alertmanager.yml
      - alertmanager_data:/alertmanager
    networks:
      - monitoring
    restart: unless-stopped

  # Node Exporter - System Metrics
  node-exporter:
    image: prom/node-exporter:latest
    container_name: nexus-node-exporter
    ports:
      - "9100:9100"
    command:
      - '--path.procfs=/host/proc'
      - '--path.rootfs=/rootfs'
      - '--path.sysfs=/host/sys'
      - '--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|host|etc)($$|/)'
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
    networks:
      - monitoring
    restart: unless-stopped

  # MongoDB Exporter - Database Metrics
  mongodb-exporter:
    image: percona/mongodb_exporter:latest
    container_name: nexus-mongodb-exporter
    ports:
      - "9216:9216"
    environment:
      - MONGODB_URI=mongodb://localhost:27017
    networks:
      - monitoring
    restart: unless-stopped
    depends_on:
      - mongodb

  # Elasticsearch - Log Storage
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:8.11.0
    container_name: nexus-elasticsearch
    environment:
      - discovery.type=single-node
      - xpack.security.enabled=false
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ports:
      - "9200:9200"
    volumes:
      - elasticsearch_data:/usr/share/elasticsearch/data
    networks:
      - monitoring
    restart: unless-stopped

  # Kibana - Log Visualization
  kibana:
    image: docker.elastic.co/kibana/kibana:8.11.0
    container_name: nexus-kibana
    ports:
      - "5601:5601"
    environment:
      - ELASTICSEARCH_HOSTS=http://elasticsearch:9200
    networks:
      - monitoring
    restart: unless-stopped
    depends_on:
      - elasticsearch

  # Logstash - Log Processing
  logstash:
    image: docker.elastic.co/logstash/logstash:8.11.0
    container_name: nexus-logstash
    ports:
      - "5044:5044"
      - "9600:9600"
    volumes:
      - ./monitoring/logstash/pipeline:/usr/share/logstash/pipeline
      - ./monitoring/logstash/config/logstash.yml:/usr/share/logstash/config/logstash.yml
    networks:
      - monitoring
    restart: unless-stopped
    depends_on:
      - elasticsearch

  # Jaeger - Distributed Tracing
  jaeger:
    image: jaegertracing/all-in-one:latest
    container_name: nexus-jaeger
    ports:
      - "16686:16686"
      - "14268:14268"
    environment:
      - COLLECTOR_OTLP_ENABLED=true
    networks:
      - monitoring
    restart: unless-stopped

  # Redis - Session Storage and Caching
  redis:
    image: redis:7-alpine
    container_name: nexus-redis
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
    networks:
      - monitoring
    restart: unless-stopped

  # NEXUS Application
  nexus-app:
    build: .
    container_name: nexus-app
    ports:
      - "3000:3000"
    environment:
      - NODE_ENV=production
      - MONGODB_URI=mongodb://mongodb:27017/nexus
      - REDIS_URL=redis://redis:6379
      - JAEGER_ENDPOINT=http://jaeger:14268/api/traces
      - PROMETHEUS_GATEWAY_URL=http://prometheus:9090
    volumes:
      - ./logs:/app/logs
      - ./data:/app/data
    networks:
      - monitoring
    restart: unless-stopped
    depends_on:
      - mongodb
      - redis
      - prometheus
      - elasticsearch

  # MongoDB - Database
  mongodb:
    image: mongo:7
    container_name: nexus-mongodb
    ports:
      - "27017:27017"
    environment:
      - MONGO_INITDB_ROOT_USERNAME=admin
      - MONGO_INITDB_ROOT_PASSWORD=admin123
      - MONGO_INITDB_DATABASE=nexus
    volumes:
      - mongodb_data:/data/db
      - ./monitoring/mongodb/init:/docker-entrypoint-initdb.d
    networks:
      - monitoring
    restart: unless-stopped

  # Nginx - Reverse Proxy
  nginx:
    image: nginx:alpine
    container_name: nexus-nginx
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./monitoring/nginx/nginx.conf:/etc/nginx/nginx.conf
      - ./monitoring/nginx/ssl:/etc/nginx/ssl
    networks:
      - monitoring
    restart: unless-stopped
    depends_on:
      - nexus-app
      - grafana
      - prometheus
      - kibana

volumes:
  prometheus_data:
  grafana_data:
  alertmanager_data:
  elasticsearch_data:
  mongodb_data:
  redis_data:

networks:
  monitoring:
    driver: bridge