.env.prod.example

# More information: https://langfuse.com/docs/deployment/self-host

# When adding additional environment variables, the schema in "/src/env.mjs"
# should be updated accordingly.

# Prisma
# https://www.prisma.io/docs/reference/database-reference/connection-urls#env
# DATABASE_URL supports pooled connections, but then you need to set DIRECT_URL
DATABASE_URL="postgresql://postgres:postgres@db:5432/postgres"
# DIRECT_URL="postgresql://postgres:postgres@db:5432/postgres"
# SHADOW_DATABASE_URL=
# optional, set to true to disable automated database migrations on Docker start
# LANGFUSE_AUTO_POSTGRES_MIGRATION_DISABLED= 

# Next Auth
# NEXTAUTH_URL does not need to be set when deploying on Vercel
NEXTAUTH_URL="http://localhost:3000"

# For each of these, you can generate a new secret on the command line with:
# openssl rand -base64 32
NEXTAUTH_SECRET="secret" # https://next-auth.js.org/configuration/options#secret
SALT="salt" # salt used to hash api keys

# API level encryption for sensitive data
# Must be 256 bits, 64 string characters in hex format, generate via: openssl rand -hex 32
ENCRYPTION_KEY="0000000000000000000000000000000000000000000000000000000000000000"

# Use CSP headers to enforce HTTPS, optional
# LANGFUSE_CSP_ENFORCE_HTTPS="true"


# Docker only, optional
# PORT=3000
# HOSTNAME=localhost

# Default project, optional
# LANGFUSE_DEFAULT_PROJECT_ID=
# LANGFUSE_DEFAULT_PROJECT_ROLE=

# Enable experimental features, optional
# LANGFUSE_ENABLE_EXPERIMENTAL_FEATURES=true

# Disable automated database migrations on Docker start, optional
# LANFUSE_WEB_MIGRATION_DISABLED=true

# Auth, optional configuration
# AUTH_DOMAINS_WITH_SSO_ENFORCEMENT=domain1.com,domain2.com
# AUTH_DISABLE_USERNAME_PASSWORD=true
# AUTH_DISABLE_SIGNUP=true
# AUTH_SESSION_MAX_AGE=43200 # 30 days in minutes (default)

# SSO, each group is optional
# AUTH_GOOGLE_CLIENT_ID=
# AUTH_GOOGLE_CLIENT_SECRET=
# AUTH_GOOGLE_ALLOW_ACCOUNT_LINKING=false
# AUTH_GOOGLE_ALLOWED_DOMAINS=langfuse.com,google.com # optional allowlist of workspace domains that can sign in via Google
# AUTH_GITHUB_CLIENT_ID=
# AUTH_GITHUB_CLIENT_SECRET=
# AUTH_GITHUB_ALLOW_ACCOUNT_LINKING=false
# AUTH_AZURE_AD_CLIENT_ID=
# AUTH_AZURE_AD_CLIENT_SECRET=
# AUTH_AZURE_AD_TENANT_ID=
# AUTH_AZURE_ALLOW_ACCOUNT_LINKING=false
# AUTH_OKTA_CLIENT_ID=
# AUTH_OKTA_CLIENT_SECRET=
# AUTH_OKTA_ISSUER=
# AUTH_OKTA_ALLOW_ACCOUNT_LINKING=false
# AUTH_AUTH0_CLIENT_ID=
# AUTH_AUTH0_CLIENT_SECRET=
# AUTH_AUTH0_ISSUER=
# AUTH_AUTH0_ALLOW_ACCOUNT_LINKING=false
# AUTH_COGNITO_CLIENT_ID=
# AUTH_COGNITO_CLIENT_SECRET=
# AUTH_COGNITO_ISSUER=
# AUTH_COGNITO_ALLOW_ACCOUNT_LINKING=false
# AUTH_CUSTOM_CLIENT_ID=
# AUTH_CUSTOM_CLIENT_SECRET=
# AUTH_CUSTOM_ISSUER=
# AUTH_CUSTOM_NAME=
# AUTH_CUSTOM_SCOPE="openid email profile" # optional
# AUTH_CUSTOM_ALLOW_ACCOUNT_LINKING=false

# Transactional email, optional
# Defines the email address to use as the from address.
# EMAIL_FROM_ADDRESS=
# Defines the connection url for smtp server. 
# SMTP_CONNECTION_URL=

# S3 storage, optional, used for exports from the UI
# S3_ENDPOINT=
# S3_ACCESS_KEY_ID=
# S3_SECRET_ACCESS_KEY=
# S3_BUCKET_NAME=
# S3_REGION=
# BATCH_EXPORT_DOWNLOAD_LINK_EXPIRATION_HOURS=

# Exports are streamed to S3 in pages to avoid memory issues
# The page size can be adjusted if needed to optimize performance
# DB_EXPORT_PAGE_SIZE=1000

# Disable logging to `events` table in db
# ENABLE_EVENT_LOG=false



### START Envs to be deprecated in Langfuse v3.0

# Disable the expensive analytics queries and related features
# LANGFUSE_DISABLE_EXPENSIVE_POSTGRES_QUERIES="true"

### END Envs to be deprecated in Langfuse v3.0




### START Langfuse Cloud Config
# Used for Langfuse Cloud deployments
# Not recommended for self-hosted deployments as these are NOT COVERED BY SEMANTIC VERSIONING

# NEXT_PUBLIC_LANGFUSE_CLOUD_REGION="US"
# NEXTAUTH_COOKIE_DOMAIN=".langfuse.com"

# LANGFUSE_TEAM_SLACK_WEBHOOK=
# LANGFUSE_NEW_USER_SIGNUP_WEBHOOK=

# Posthog (optional for analytics of web ui)
# NEXT_PUBLIC_POSTHOG_HOST=
# NEXT_PUBLIC_POSTHOG_KEY=

# Sentry
# NEXT_PUBLIC_SENTRY_DSN=
# NEXT_SENTRY_ORG=
# NEXT_SENTRY_PROJECT=
# SENTRY_AUTH_TOKEN=
# Used to determine the Sentry sample rate
# LANGFUSE_TRACING_SAMPLE_RATE=


# Cloudflare Turnstile
# NEXT_PUBLIC_TURNSTILE_SITE_KEY=
# TURNSTILE_SECRET_KEY=

# Demo project that users can use to try the platform
# NEXT_PUBLIC_DEMO_PROJECT_ID=

# Crisp chat
# NEXT_PUBLIC_CRISP_WEBSITE_ID=

# Admin API
# ADMIN_API_KEY=

# Redis
# REDIS_HOST=
# REDIS_PORT=
# REDIS_AUTH=
# REDIS_CONNECTION_STRING=

# Cache configuration
# LANGFUSE_CACHE_API_KEY_ENABLED=
# LANGFUSE_CACHE_API_KEY_TTL_SECONDS=
# LANGFUSE_CACHE_PROMPT_ENABLED=
# LANGFUSE_CACHE_PROMPT_TTL_SECONDS=

### END Langfuse Cloud Config


## START Langfuse V3 Ingestion 

# Clickhouse
# CLICKHOUSE_MIGRATION_URL=
# CLICKHOUSE_URL=
# CLICKHOUSE_USER=
# CLICKHOUSE_PASSWORD=

# Ingestion
# LANGFUSE_INGESTION_BUFFER_TTL_SECONDS=
# LANGFUSE_INGESTION_FLUSH_DELAY_MS= 
# LANGFUSE_INGESTION_FLUSH_ATTEMPTS= 
# LANGFUSE_INGESTION_FLUSH_PROCESSING_CONCURRENCY=
# LANGFUSE_INGESTION_CLICKHOUSE_WRITE_BATCH_SIZE= 
# LANGFUSE_INGESTION_CLICKHOUSE_WRITE_INTERVAL_MS= 
# LANGFUSE_INGESTION_CLICKHOUSE_MAX_ATTEMPTS=
# LANGFUSE_LOG_LEVEL= 

## END Langfuse V3 Ingestion