docker-compose.yml

version: "3.8"

# ============================================================
# CustomerCore Local Infrastructure Stack
# Start:  docker compose up -d
# Stop:   docker compose down
# Logs:   docker compose logs -f <service>
# ============================================================

networks:
  customercore:
    driver: bridge

volumes:
  redpanda_data:
  minio_data:
  chroma_data:
  redis_data:

services:

  # ----------------------------------------------------------
  # REDPANDA — Kafka-compatible streaming broker
  # Replaces Kafka with no JVM, no ZooKeeper, single binary
  # Broker listens on: localhost:9092 (internal: 29092)
  # ----------------------------------------------------------
  redpanda:
    image: docker.redpanda.com/redpandadata/redpanda:latest
    container_name: customercore_redpanda
    command:
      - redpanda
      - start
      - --kafka-addr internal://0.0.0.0:29092,external://0.0.0.0:9092
      - --advertise-kafka-addr internal://redpanda:29092,external://localhost:9092
      - --pandaproxy-addr internal://0.0.0.0:28082,external://0.0.0.0:8082
      - --advertise-pandaproxy-addr internal://redpanda:28082,external://localhost:8082
      - --schema-registry-addr internal://0.0.0.0:28081,external://0.0.0.0:8081
      - --rpc-addr redpanda:33145
      - --advertise-rpc-addr redpanda:33145
      - --mode dev-container
      - --smp 1
      - --default-log-level=warn
    volumes:
      - redpanda_data:/var/lib/redpanda/data
    networks:
      - customercore
    ports:
      - "9092:9092"    # Kafka API — Python producers connect here
      - "8081:8081"    # Schema Registry
      - "8082:8082"    # HTTP Proxy (Pandaproxy)
    healthcheck:
      test: ["CMD-SHELL", "rpk cluster health | grep -E 'Healthy|true' || exit 1"]
      interval: 15s
      timeout: 10s
      retries: 5

  # ----------------------------------------------------------
  # REDPANDA CONSOLE — Visual web dashboard for Redpanda
  # Browse topics, inspect messages, debug producers
  # Dashboard: http://localhost:8080
  # ----------------------------------------------------------
  console:
    image: docker.redpanda.com/redpandadata/console:latest
    container_name: customercore_console
    environment:
      CONFIG_FILEPATH: /tmp/redpanda-console-config.yaml
    entrypoint: /bin/sh
    command: >
      -c 'printf "kafka:\n  brokers: [\"redpanda:29092\"]\n" > /tmp/redpanda-console-config.yaml && /app/console'
    networks:
      - customercore
    ports:
      - "8080:8080"    # Web dashboard
    depends_on:
      - redpanda

  # ----------------------------------------------------------
  # MINIO — S3-compatible local object storage
  # Stores Apache Iceberg Parquet data files
  # Console: http://localhost:9001 (admin/password: minioadmin)
  # API:     http://localhost:9000
  # ----------------------------------------------------------
  minio:
    image: minio/minio:latest
    container_name: customercore_minio
    command: server /data --console-address ":9001"
    environment:
      MINIO_ROOT_USER: minioadmin
      MINIO_ROOT_PASSWORD: minioadmin
    volumes:
      - minio_data:/data
    networks:
      - customercore
    ports:
      - "9000:9000"    # S3 API
      - "9001:9001"    # MinIO web console
    healthcheck:
      test: ["CMD", "mc", "ready", "local"]
      interval: 30s
      timeout: 20s
      retries: 3

  # ----------------------------------------------------------
  # CHROMADB — Vector database for RAG retrieval
  # Stores BGE-M3 embeddings of support tickets and KB articles
  # API: http://localhost:8000
  # ----------------------------------------------------------
  chromadb:
    image: chromadb/chroma:latest
    container_name: customercore_chromadb
    volumes:
      - chroma_data:/chroma/chroma
    networks:
      - customercore
    ports:
      - "8000:8000"    # ChromaDB HTTP API
    environment:
      - IS_PERSISTENT=TRUE
      - ALLOW_RESET=TRUE

  # ----------------------------------------------------------
  # REDIS — In-memory cache and rate limiter
  # L1 exact-match semantic cache + per-tenant rate limiting
  # ----------------------------------------------------------
  redis:
    image: redis:alpine
    container_name: customercore_redis
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru
    volumes:
      - redis_data:/data
    networks:
      - customercore
    ports:
      - "6379:6379"    # Redis default port
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ----------------------------------------------------------
  # OPENTELEMETRY COLLECTOR — Central telemetry pipeline
  # Scrapes Prometheus metrics from FastAPI /metrics endpoint
  # Forwards to Grafana Cloud (metrics, logs, traces)
  # ----------------------------------------------------------
  otel-collector:
    image: otel/opentelemetry-collector-contrib:latest
    container_name: customercore_otel
    volumes:
      - ./infra/otel-collector.yaml:/etc/otelcol-contrib/config.yaml
    networks:
      - customercore
    ports:
      - "4317:4317"    # OTLP gRPC receiver
      - "4318:4318"    # OTLP HTTP receiver
      - "8888:8888"    # OTel internal metrics
    depends_on:
      - redpanda