x-default: &default
  restart: unless-stopped
  volumes:
    - &localtime /etc/localtime:/etc/localtime:ro
    - &timezone /etc/timezone:/etc/timezone:ro
  logging:
    driver: json-file
    options:
      max-size: 100m

services:
  langfuse-server:
    <<: *default
    image: langfuse/langfuse:${LANGFUSE_VERSION:-3.115.0}
    container_name: langfuse-server
    ports:
      - "${LANGFUSE_PORT:-3000}:3000"
    environment:
      - DATABASE_URL=postgresql://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD:-postgres}@langfuse-db:5432/${POSTGRES_DB:-langfuse}
      - NEXTAUTH_URL=${NEXTAUTH_URL:-http://localhost:3000}
      - NEXTAUTH_SECRET=${NEXTAUTH_SECRET}
      - SALT=${SALT}
      - TELEMETRY_ENABLED=${TELEMETRY_ENABLED:-true}
      - LANGFUSE_ENABLE_EXPERIMENTAL_FEATURES=${LANGFUSE_ENABLE_EXPERIMENTAL_FEATURES:-false}
    depends_on:
      langfuse-db:
        condition: service_healthy
    deploy:
      resources:
        limits:
          cpus: '2.0'
          memory: 2G
        reservations:
          cpus: '0.5'
          memory: 512M

  langfuse-db:
    <<: *default
    image: postgres:${POSTGRES_VERSION:-17.2-alpine3.21}
    container_name: langfuse-db
    environment:
      - POSTGRES_USER=${POSTGRES_USER:-postgres}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-postgres}
      - POSTGRES_DB=${POSTGRES_DB:-langfuse}
    volumes:
      - langfuse_db_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres}"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 30s
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 1G
        reservations:
          cpus: '0.25'
          memory: 256M

volumes:
  langfuse_db_data: