services:
  api:
    depends_on:
      - langfuse-fanout-collector
    environment:
      - LANGFUSE_FANOUT_ENABLED=true
      - LANGFUSE_FANOUT_COLLECTOR_URL=http://langfuse-fanout-collector:4318
      - LANGFUSE_FANOUT_TENANT_EXPORT_DISABLED=${LANGFUSE_FANOUT_TENANT_EXPORT_DISABLED-false}
      - LANGFUSE_FANOUT_TENANT_DESTINATIONS=${LANGFUSE_FANOUT_TENANT_DESTINATIONS:-eu=https://cloud.langfuse.com,us=https://us.cloud.langfuse.com,jp=https://jp.cloud.langfuse.com}
    networks:
      - default
      - langfuse-fanout

  langfuse-fanout-collector:
    build:
      context: .
      dockerfile: otel/langfuse-fanout/Dockerfile
    image: librechat-langfuse-fanout:local
    restart: always
    depends_on:
      - langfuse-fanout-otel
      - langfuse-fanout-redis
    env_file:
      - .env
    environment:
      - LANGFUSE_FANOUT_CENTRAL_BASE_URL=${LANGFUSE_FANOUT_CENTRAL_BASE_URL:-https://cloud.langfuse.com}
      - LANGFUSE_FANOUT_CENTRAL_AUTH_HEADER=${LANGFUSE_FANOUT_CENTRAL_AUTH_HEADER:?Set LANGFUSE_FANOUT_CENTRAL_AUTH_HEADER to central Langfuse Basic auth header}
      - LANGFUSE_FANOUT_TENANT_DESTINATIONS=${LANGFUSE_FANOUT_TENANT_DESTINATIONS:-eu=https://cloud.langfuse.com,us=https://us.cloud.langfuse.com,jp=https://jp.cloud.langfuse.com}
      - LANGFUSE_FANOUT_UPSTREAM_TIMEOUT=${LANGFUSE_FANOUT_UPSTREAM_TIMEOUT:-30s}
      - LANGFUSE_FANOUT_PUBLIC_URL=${LANGFUSE_FANOUT_PUBLIC_URL:-http://langfuse-fanout-collector:4318}
      - LANGFUSE_FANOUT_TRACE_COLLECTOR_URL=http://langfuse-fanout-otel:4319
      - LANGFUSE_FANOUT_TRACE_DESTINATION_KEYS=eu,us,jp
      - LANGFUSE_FANOUT_REDIS_URI=${LANGFUSE_FANOUT_REDIS_URI:-redis://langfuse-fanout-redis:6379}
      - LANGFUSE_FANOUT_REDIS_USERNAME=${LANGFUSE_FANOUT_REDIS_USERNAME:-}
      - LANGFUSE_FANOUT_REDIS_PASSWORD=${LANGFUSE_FANOUT_REDIS_PASSWORD:-}
      - LANGFUSE_FANOUT_REDIS_KEY_PREFIX=${LANGFUSE_FANOUT_REDIS_KEY_PREFIX:-langfuse-fanout}
    expose:
      - '4318'
    networks:
      - langfuse-fanout

  langfuse-fanout-redis:
    image: redis:7.4-alpine
    restart: always
    expose:
      - '6379'
    networks:
      - langfuse-fanout

  langfuse-fanout-otel:
    image: otel/opentelemetry-collector-contrib:0.143.0
    restart: always
    command: ['--config=/etc/otelcol/otelcol.yaml']
    env_file:
      - .env
    environment:
      - LANGFUSE_FANOUT_CENTRAL_BASE_URL=${LANGFUSE_FANOUT_CENTRAL_BASE_URL:-https://cloud.langfuse.com}
      - LANGFUSE_FANOUT_CENTRAL_AUTH_HEADER=${LANGFUSE_FANOUT_CENTRAL_AUTH_HEADER:?Set LANGFUSE_FANOUT_CENTRAL_AUTH_HEADER to central Langfuse Basic auth header}
      - LANGFUSE_FANOUT_OTEL_RECEIVER_ENDPOINT=0.0.0.0:4319
      - LANGFUSE_FANOUT_TENANT_EU_BASE_URL=${LANGFUSE_FANOUT_TENANT_EU_BASE_URL:-https://cloud.langfuse.com}
      - LANGFUSE_FANOUT_TENANT_US_BASE_URL=${LANGFUSE_FANOUT_TENANT_US_BASE_URL:-https://us.cloud.langfuse.com}
      - LANGFUSE_FANOUT_TENANT_JP_BASE_URL=${LANGFUSE_FANOUT_TENANT_JP_BASE_URL:-https://jp.cloud.langfuse.com}
      - LANGFUSE_FANOUT_MEMORY_LIMIT_MIB=${LANGFUSE_FANOUT_MEMORY_LIMIT_MIB:-256}
      - LANGFUSE_FANOUT_MEMORY_SPIKE_LIMIT_MIB=${LANGFUSE_FANOUT_MEMORY_SPIKE_LIMIT_MIB:-64}
      - LANGFUSE_FANOUT_BATCH_TIMEOUT=${LANGFUSE_FANOUT_BATCH_TIMEOUT:-1s}
      - LANGFUSE_FANOUT_BATCH_SEND_SIZE=${LANGFUSE_FANOUT_BATCH_SEND_SIZE:-128}
      - LANGFUSE_FANOUT_METADATA_CARDINALITY_LIMIT=${LANGFUSE_FANOUT_METADATA_CARDINALITY_LIMIT:-1000}
    volumes:
      - ./otel/langfuse-fanout/otelcol.yaml:/etc/otelcol/otelcol.yaml:ro
    expose:
      - '4319'
    networks:
      - langfuse-fanout

networks:
  langfuse-fanout: