SurfSense/surfsense_backend/.env.example

DATABASE_URL="postgresql+asyncpg://postgres:postgres@localhost:5432/surfsense"

SECRET_KEY="SECRET"
NEXT_FRONTEND_URL="http://localhost:3000"

#Auth
AUTH_TYPE="GOOGLE" or "LOCAL"
# For Google Auth Only
GOOGLE_OAUTH_CLIENT_ID="924507538m"
GOOGLE_OAUTH_CLIENT_SECRET="GOCSV"

#Embedding Model
EMBEDDING_MODEL="mixedbread-ai/mxbai-embed-large-v1"

RERANKERS_MODEL_NAME="ms-marco-MiniLM-L-12-v2"
RERANKERS_MODEL_TYPE="flashrank"

# https://docs.litellm.ai/docs/providers
FAST_LLM="openai/gpt-4o-mini"
STRATEGIC_LLM="openai/gpt-4o"
LONG_CONTEXT_LLM="gemini/gemini-2.0-flash"

#LiteLLM TTS Provider: https://docs.litellm.ai/docs/text_to_speech#supported-providers
TTS_SERVICE="openai/tts-1"

#LiteLLM STT Provider: https://docs.litellm.ai/docs/audio_transcription#supported-providers
STT_SERVICE="openai/whisper-1"

# Chosen LiteLLM Providers Keys
OPENAI_API_KEY="sk-proj-iA"
GEMINI_API_KEY="AIzaSyB6-1641124124124124124124124124124"

UNSTRUCTURED_API_KEY="Tpu3P0U8iy"
FIRECRAWL_API_KEY="fcr-01J0000000000000000000000"

#OPTIONAL: Add these for LangSmith Observability
LANGSMITH_TRACING=true
LANGSMITH_ENDPOINT="https://api.smith.langchain.com"
LANGSMITH_API_KEY="lsv2_pt_....."
LANGSMITH_PROJECT="surfsense"

# OPTIONAL: LiteLLM API Base
FAST_LLM_API_BASE=""
STRATEGIC_LLM_API_BASE=""
LONG_CONTEXT_LLM_API_BASE=""
TTS_SERVICE_API_BASE=""
STT_SERVICE_API_BASE=""