langgraph-fastapi-starter/.env.example at main · IgnazioDS/langgraph-fastapi-starter · GitHub

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# ─── Required ────────────────────────────────────────────────────────────────
OPENAI_API_KEY=sk-...
POSTGRES_PASSWORD=localdev

# ─── Database (defaults match docker-compose.yml) ────────────────────────────
POSTGRES_HOST=localhost
POSTGRES_PORT=5432
POSTGRES_DB=agentdb
POSTGRES_USER=agent
DATABASE_POOL_SIZE=10

# ─── LLM ─────────────────────────────────────────────────────────────────────
LLM_MODEL=gpt-4o-mini
EMBEDDING_MODEL=text-embedding-3-small

# ─── Optional integrations ───────────────────────────────────────────────────
TAVILY_API_KEY=              # Required only for web_search tool

# ─── App ─────────────────────────────────────────────────────────────────────
APP_ENV=development          # development | production
LOG_LEVEL=INFO               # DEBUG | INFO | WARNING | ERROR
LOG_FORMAT=text              # text (human-readable) | json (for log aggregation)