# Enhanced Docker Compose for Foxhunt HFT Trading System
# Production-ready configuration with comprehensive health checks, networking, and monitoring
version: '3.8'

networks:
  foxhunt-network:
    driver: bridge
    ipam:
      config:
        - subnet: 172.20.0.0/24
          gateway: 172.20.0.1

volumes:
  postgres-data:
    driver: local
  redis-data:
    driver: local
  influxdb-data:
    driver: local
  prometheus-data:
    driver: local
  grafana-data:
    driver: local
  clickhouse-data:
    driver: local

services:
  # PostgreSQL - Main database for trades, orders, positions
  postgres:
    image: postgres:15-alpine
    container_name: foxhunt-postgres
    hostname: postgres
    networks:
      foxhunt-network:
        ipv4_address: 172.20.0.10
    ports:
      - "${POSTGRES_PORT:-5432}:5432"
    volumes:
      - postgres-data:/var/lib/postgresql/data
      - ../migrations:/docker-entrypoint-initdb.d:ro
      - ../config/postgres:/etc/postgresql:ro
    environment:
      POSTGRES_DB: ${POSTGRES_DB:-foxhunt}
      POSTGRES_USER: ${POSTGRES_USER:-foxhunt}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?POSTGRES_PASSWORD required}
      POSTGRES_INITDB_ARGS: "--encoding=UTF8 --locale=C"
    command: >
      postgres
      -c shared_preload_libraries=pg_stat_statements
      -c max_connections=200
      -c shared_buffers=256MB
      -c effective_cache_size=1GB
      -c maintenance_work_mem=64MB
      -c checkpoint_completion_target=0.9
      -c wal_buffers=16MB
      -c default_statistics_target=100
      -c random_page_cost=1.1
      -c effective_io_concurrency=200
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-foxhunt} -d ${POSTGRES_DB:-foxhunt}"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 30s
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 1G
          cpus: '1.0'
        reservations:
          memory: 512M
          cpus: '0.5'

  # Redis - Cache and pub/sub for real-time data
  redis:
    image: redis:7-alpine
    container_name: foxhunt-redis
    hostname: redis
    networks:
      foxhunt-network:
        ipv4_address: 172.20.0.11
    ports:
      - "${REDIS_PORT:-6379}:6379"
    volumes:
      - redis-data:/data
      - ../config/redis/redis.conf:/usr/local/etc/redis/redis.conf:ro
    command: >
      redis-server /usr/local/etc/redis/redis.conf
      --appendonly yes
      --requirepass ${REDIS_PASSWORD:?REDIS_PASSWORD required}
      --maxmemory 512mb
      --maxmemory-policy allkeys-lru
    healthcheck:
      test: ["CMD", "redis-cli", "--no-auth-warning", "-a", "${REDIS_PASSWORD}", "ping"]
      interval: 10s
      timeout: 3s
      retries: 3
      start_period: 10s
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 768M
          cpus: '0.5'
        reservations:
          memory: 256M
          cpus: '0.25'

  # InfluxDB - Time-series database for market data
  influxdb:
    image: influxdb:2.7-alpine
    container_name: foxhunt-influxdb
    hostname: influxdb
    networks:
      foxhunt-network:
        ipv4_address: 172.20.0.12
    ports:
      - "${INFLUXDB_PORT:-8086}:8086"
    volumes:
      - influxdb-data:/var/lib/influxdb2
      - ../config/influxdb:/etc/influxdb2:ro
    environment:
      DOCKER_INFLUXDB_INIT_MODE: setup
      DOCKER_INFLUXDB_INIT_USERNAME: ${INFLUXDB_USER:-admin}
      DOCKER_INFLUXDB_INIT_PASSWORD: ${INFLUXDB_PASSWORD:?INFLUXDB_PASSWORD required}
      DOCKER_INFLUXDB_INIT_ORG: ${INFLUXDB_ORG:-foxhunt}
      DOCKER_INFLUXDB_INIT_BUCKET: ${INFLUXDB_BUCKET:-market_data}
      DOCKER_INFLUXDB_INIT_ADMIN_TOKEN: ${INFLUXDB_TOKEN:?INFLUXDB_TOKEN required}
      INFLUXD_SESSION_LENGTH: 60
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8086/ping"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 30s
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 2G
          cpus: '1.0'
        reservations:
          memory: 512M
          cpus: '0.5'

  # ClickHouse - High-performance analytics database
  clickhouse:
    image: clickhouse/clickhouse-server:23.8-alpine
    container_name: foxhunt-clickhouse
    hostname: clickhouse
    networks:
      foxhunt-network:
        ipv4_address: 172.20.0.13
    ports:
      - "${CLICKHOUSE_HTTP_PORT:-8123}:8123"
      - "${CLICKHOUSE_TCP_PORT:-9000}:9000"
    volumes:
      - clickhouse-data:/var/lib/clickhouse
      - ../config/clickhouse:/etc/clickhouse-server/config.d:ro
    environment:
      CLICKHOUSE_DB: ${CLICKHOUSE_DB:-foxhunt}
      CLICKHOUSE_USER: ${CLICKHOUSE_USER:-default}
      CLICKHOUSE_PASSWORD: ${CLICKHOUSE_PASSWORD:?CLICKHOUSE_PASSWORD required}
    healthcheck:
      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8123/ping"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 30s
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 4G
          cpus: '2.0'
        reservations:
          memory: 1G
          cpus: '1.0'

  # Prometheus - Metrics collection and monitoring
  prometheus:
    image: prom/prometheus:v2.47.0
    container_name: foxhunt-prometheus
    hostname: prometheus
    networks:
      foxhunt-network:
        ipv4_address: 172.20.0.20
    ports:
      - "${PROMETHEUS_PORT:-9090}:9090"
    volumes:
      - prometheus-data:/prometheus
      - ../config/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - ../config/prometheus/rules:/etc/prometheus/rules:ro
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--web.console.libraries=/usr/share/prometheus/console_libraries'
      - '--web.console.templates=/usr/share/prometheus/consoles'
      - '--web.enable-lifecycle'
      - '--web.enable-admin-api'
      - '--storage.tsdb.retention.time=30d'
      - '--storage.tsdb.retention.size=10GB'
    healthcheck:
      test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:9090/-/ready"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 20s
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 2G
          cpus: '1.0'
        reservations:
          memory: 512M
          cpus: '0.5'

  # Grafana - Monitoring dashboards and visualization
  grafana:
    image: grafana/grafana:10.1.0
    container_name: foxhunt-grafana
    hostname: grafana
    networks:
      foxhunt-network:
        ipv4_address: 172.20.0.21
    ports:
      - "${GRAFANA_PORT:-3000}:3000"
    volumes:
      - grafana-data:/var/lib/grafana
      - ../config/grafana/provisioning:/etc/grafana/provisioning:ro
      - ../config/grafana/dashboards:/var/lib/grafana/dashboards:ro
    environment:
      GF_SECURITY_ADMIN_USER: ${GRAFANA_ADMIN_USER:-admin}
      GF_SECURITY_ADMIN_PASSWORD: ${GRAFANA_ADMIN_PASSWORD:?GRAFANA_ADMIN_PASSWORD required}
      GF_INSTALL_PLUGINS: grafana-clock-panel,grafana-simple-json-datasource
      GF_SERVER_ROOT_URL: http://localhost:3000
      GF_ANALYTICS_REPORTING_ENABLED: false
      GF_ANALYTICS_CHECK_FOR_UPDATES: false
    healthcheck:
      test: ["CMD-SHELL", "curl -f http://localhost:3000/api/health || exit 1"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 30s
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 1G
          cpus: '0.5'
        reservations:
          memory: 256M
          cpus: '0.25'
    depends_on:
      prometheus:
        condition: service_healthy

  # Node Exporter - System metrics for monitoring
  node-exporter:
    image: prom/node-exporter:v1.6.1
    container_name: foxhunt-node-exporter
    hostname: node-exporter
    networks:
      foxhunt-network:
        ipv4_address: 172.20.0.22
    ports:
      - "9100:9100"
    command:
      - '--path.procfs=/host/proc'
      - '--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
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 128M
          cpus: '0.1'
        reservations:
          memory: 64M
          cpus: '0.05'

  # Cadvisor - Container metrics
  cadvisor:
    image: gcr.io/cadvisor/cadvisor:v0.47.2
    container_name: foxhunt-cadvisor
    hostname: cadvisor
    networks:
      foxhunt-network:
        ipv4_address: 172.20.0.23
    ports:
      - "8080:8080"
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:ro
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
      - /dev/disk/:/dev/disk:ro
    privileged: true
    devices:
      - /dev/kmsg
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 256M
          cpus: '0.2'
        reservations:
          memory: 128M
          cpus: '0.1'

  # Jaeger - Distributed tracing
  jaeger:
    image: jaegertracing/all-in-one:1.49
    container_name: foxhunt-jaeger
    hostname: jaeger
    networks:
      foxhunt-network:
        ipv4_address: 172.20.0.30
    ports:
      - "16686:16686"  # Jaeger UI
      - "14268:14268"  # Jaeger collector HTTP
    environment:
      COLLECTOR_OTLP_ENABLED: true
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 512M
          cpus: '0.5'
        reservations:
          memory: 256M
          cpus: '0.25'

  # Health check service for overall stack health
  healthcheck:
    image: alpine:3.18
    container_name: foxhunt-healthcheck
    networks:
      - foxhunt-network
    command: >
      sh -c "
        apk add --no-cache curl &&
        while true; do
          echo 'Checking service health...'
          curl -f http://postgres:5432 || echo 'PostgreSQL check failed'
          curl -f http://redis:6379 || echo 'Redis check failed'
          curl -f http://influxdb:8086/ping || echo 'InfluxDB check failed'
          curl -f http://prometheus:9090/-/ready || echo 'Prometheus check failed'
          curl -f http://grafana:3000/api/health || echo 'Grafana check failed'
          sleep 30
        done
      "
    restart: unless-stopped
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
      influxdb:
        condition: service_healthy
      prometheus:
        condition: service_healthy
      grafana:
        condition: service_healthy