| # ── LLM ───────────────────────────────────────────────────────────────────────── | |
| # OpenAI API-compatible LLM | |
| LLM_ENABLED=true | |
| LLM_PROVIDER=openai | |
| OPENAI_API_KEY=sk-... | |
| LLM_MODEL_NAME=gpt-4o-mini | |
| LLM_BASE_URL= | |
| # Set true for reasoning models (DeepSeek R1, deepseek-v4-flash, o1, etc.) | |
| LLM_ENABLE_REASONING=false | |
| # ── Neo4j ─────────────────────────────────────────────────────────────────────── | |
| NEO4J_AUTH=neo4j/your_password | |
| # ── Langfuse (self-hosted tracing) ────────────────────────────────────────────── | |
| # Set to true to enable per-node token tracking and evaluation scores | |
| LANGFUSE_ENABLED=false | |
| # After setting up Langfuse (docker compose up langfuse-server), | |
| # go to http://localhost:3000, create a project, and copy keys here: | |
| LANGFUSE_HOST=http://localhost:3000 | |
| LANGFUSE_PUBLIC_KEY=pk-lf-... | |
| LANGFUSE_SECRET_KEY=sk-lf-... | |
| # Secrets for Langfuse server (only needed for docker compose) | |
| # Generate with: openssl rand -hex 32 | |
| NEXTAUTH_SECRET=change_me | |
| LANGFUSE_ENCRYPTION_KEY=change_me | |
| LANGFUSE_SALT=langfuse | |
| LANGFUSE_DB_PASSWORD=langfuse_pass | |
| # ── Grading backend ────────────────────────────────────────────────────────────── | |
| # "reranker" — Jina Reranker v3 (fast, no tokens consumed, recommended) | |
| # "llm" — batched LLM call (fallback) | |
| GRADE_BACKEND=reranker | |
| # ── Jina Reranker v3 (used when GRADE_BACKEND=reranker) ────────────────────────── | |
| # backend: "local" (free, ~2GB RAM) or "api" (requires JINA_API_KEY) | |
| RERANKER_BACKEND=local | |
| RERANKER_MODEL=jinaai/jina-reranker-v3 | |
| # Minimum relevance score to count a doc as relevant (0.0–1.0) | |
| RERANKER_THRESHOLD=0.0 | |
| # Only needed for RERANKER_BACKEND=api | |
| # JINA_API_KEY=jina_... | |
| # ── Mem0 (self-hosted long-term memory) ───────────────────────────────────────── | |
| MEM0_ENABLED=false | |
| # ── Web search (Tavily, optional) ─────────────────────────────────────────────── | |
| WEB_SEARCH_ENABLED=false | |