docker-compose.yml

version: '3.8'

services:
  # 1. PostgreSQL Database (port 5432)
  postgres:
    image: postgres:15-alpine
    container_name: hexfeed-postgres
    environment:
      POSTGRES_DB: hexfeed_db
      POSTGRES_USER: hexfeed_user
      POSTGRES_PASSWORD: hexfeed_password
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./init-scripts:/docker-entrypoint-initdb.d
    networks:
      - hexfeed-network
    restart: unless-stopped

  # 2. Redis Cache (port 6379)
  redis:
    image: redis:7-alpine
    container_name: hexfeed-redis
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
    networks:
      - hexfeed-network
    restart: unless-stopped
    command: redis-server --appendonly yes

  # 3. Cassandra (port 9042) - Optional for now
  cassandra:
    image: cassandra:4.1
    container_name: hexfeed-cassandra
    ports:
      - "9042:9042"
    environment:
      CASSANDRA_CLUSTER_NAME: hexfeed_cluster
      CASSANDRA_DC: datacenter1
      CASSANDRA_RACK: rack1
      CASSANDRA_ENDPOINT_SNITCH: GossipingPropertyFileSnitch
      CASSANDRA_NUM_TOKENS: 128
    volumes:
      - cassandra_data:/var/lib/cassandra
    networks:
      - hexfeed-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "cqlsh -e 'describe cluster'"]
      interval: 30s
      timeout: 10s
      retries: 5

  # 4. Zookeeper for Kafka (port 2181)
  zookeeper:
    image: confluentinc/cp-zookeeper:7.4.0
    container_name: hexfeed-zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - "2181:2181"
    networks:
      - hexfeed-network
    restart: unless-stopped

  # 4. Kafka (port 9092)
  kafka:
    image: confluentinc/cp-kafka:7.4.0
    container_name: hexfeed-kafka
    depends_on:
      - zookeeper
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
    volumes:
      - kafka_data:/var/lib/kafka/data
    networks:
      - hexfeed-network
    restart: unless-stopped

  # 5. Prometheus (port 9090)
  prometheus:
    image: prom/prometheus:latest
    container_name: hexfeed-prometheus
    ports:
      - "9090:9090"
    volumes:
      - ./monitoring/prometheus.yml:/etc/prometheus/prometheus.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:
      - hexfeed-network
    restart: unless-stopped

  # 6. Grafana (port 3000)
  grafana:
    image: grafana/grafana:latest
    container_name: hexfeed-grafana
    ports:
      - "3000:3000"
    environment:
      GF_SECURITY_ADMIN_USER: admin
      GF_SECURITY_ADMIN_PASSWORD: admin123
      GF_USERS_ALLOW_SIGN_UP: false
    volumes:
      - grafana_data:/var/lib/grafana
      - ./monitoring/grafana/provisioning:/etc/grafana/provisioning
    networks:
      - hexfeed-network
    restart: unless-stopped
    depends_on:
      - prometheus

  # Optional: Management UIs for Development
  kafka-ui:
    image: provectuslabs/kafka-ui:latest
    container_name: hexfeed-kafka-ui
    depends_on:
      - kafka
    ports:
      - "8081:8080"
    environment:
      KAFKA_CLUSTERS_0_NAME: local
      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka:9092
    networks:
      - hexfeed-network
    restart: unless-stopped

  redis-commander:
    image: rediscommander/redis-commander:latest
    container_name: hexfeed-redis-commander
    depends_on:
      - redis
    ports:
      - "8082:8081"
    environment:
      REDIS_HOSTS: local:redis:6379
    networks:
      - hexfeed-network
    restart: unless-stopped

  pgadmin:
    image: dpage/pgadmin4:latest
    container_name: hexfeed-pgadmin
    depends_on:
      - postgres
    ports:
      - "8083:80"
    environment:
      PGADMIN_DEFAULT_EMAIL: admin@hexfeed.com
      PGADMIN_DEFAULT_PASSWORD: admin123
    volumes:
      - pgadmin_data:/var/lib/pgadmin
    networks:
      - hexfeed-network
    restart: unless-stopped

# Named volumes for data persistence
volumes:
  postgres_data:
    driver: local
  redis_data:
    driver: local
  cassandra_data:
    driver: local
  kafka_data:
    driver: local
  prometheus_data:
    driver: local
  grafana_data:
    driver: local
  pgadmin_data:
    driver: local

# Custom network
networks:
  hexfeed-network:
    driver: bridge