.env.example

#=====================================================================#
#                       LibreChat Configuration                       #
#=====================================================================#
# Please refer to the reference documentation for assistance          #
# with configuring your LibreChat environment.                        #
#                                                                     #
# https://www.librechat.ai/docs/configuration/dotenv                  #
#=====================================================================#

#==================================================#
#               Server Configuration               #
#==================================================#

HOST=localhost
PORT=3080

MONGO_URI=mongodb://127.0.0.1:27017/LibreChat
#The maximum number of connections in the connection pool. */
MONGO_MAX_POOL_SIZE=
#The minimum number of connections in the connection pool. */
MONGO_MIN_POOL_SIZE=
#The maximum number of connections that may be in the process of being established concurrently by the connection pool. */
MONGO_MAX_CONNECTING=
#The maximum number of milliseconds that a connection can remain idle in the pool before being removed and closed. */
MONGO_MAX_IDLE_TIME_MS=
#The maximum time in milliseconds that a thread can wait for a connection to become available. */
MONGO_WAIT_QUEUE_TIMEOUT_MS=
# Set to false to disable automatic index creation for all models associated with this connection. */
MONGO_AUTO_INDEX=
# Set to `false` to disable Mongoose automatically calling `createCollection()` on every model created on this connection. */
MONGO_AUTO_CREATE=

DOMAIN_CLIENT=http://localhost:3080
DOMAIN_SERVER=http://localhost:3080

NO_INDEX=true
# Use the address that is at most n number of hops away from the Express application.
# req.socket.remoteAddress is the first hop, and the rest are looked for in the X-Forwarded-For header from right to left.
# A value of 0 means that the first untrusted address would be req.socket.remoteAddress, i.e. there is no reverse proxy.
# Defaulted to 1.
TRUST_PROXY=1

# Minimum password length for user authentication
# Default: 8
# Note: When using LDAP authentication, you may want to set this to 1 
# to bypass local password validation, as LDAP servers handle their own
# password policies.
# MIN_PASSWORD_LENGTH=8

# When enabled, the app will continue running after encountering uncaught exceptions
# instead of exiting the process. Not recommended for production unless necessary.
# CONTINUE_ON_UNCAUGHT_EXCEPTION=false

#===============#
# JSON Logging  #
#===============#

# Use when process console logs in cloud deployment like GCP/AWS
CONSOLE_JSON=false

#===============#
# Debug Logging #
#===============#

DEBUG_LOGGING=true
DEBUG_CONSOLE=false

#=============#
# Permissions #
#=============#

# UID=1000
# GID=1000

#==============#
# Node Options #
#==============#

# NOTE: NODE_MAX_OLD_SPACE_SIZE is NOT recognized by Node.js directly.
# This variable is used as a build argument for Docker or CI/CD workflows,
# and is NOT used by Node.js to set the heap size at runtime.
# To configure Node.js memory, use NODE_OPTIONS, e.g.:
# NODE_OPTIONS="--max-old-space-size=6144"
# See: https://nodejs.org/api/cli.html#--max-old-space-sizesize-in-mib
NODE_MAX_OLD_SPACE_SIZE=6144

#===============#
# Configuration #
#===============#
# Use an absolute path, a relative path, or a URL

# CONFIG_PATH="/alternative/path/to/librechat.yaml"

#==================#
# Langfuse Tracing #
#==================#

# Get Langfuse API keys for your project from the project settings page: https://cloud.langfuse.com

# LANGFUSE_PUBLIC_KEY=
# LANGFUSE_SECRET_KEY=
# LANGFUSE_BASE_URL=

#===================================================#
#                     Endpoints                     #
#===================================================#

# ENDPOINTS=openAI,assistants,azureOpenAI,google,anthropic

PROXY=

#===================================#
# Known Endpoints - librechat.yaml  #
#===================================#
# https://www.librechat.ai/docs/configuration/librechat_yaml/ai_endpoints

# ANYSCALE_API_KEY=
# APIPIE_API_KEY=
# COHERE_API_KEY=
# DEEPSEEK_API_KEY=
# DATABRICKS_API_KEY=
# FIREWORKS_API_KEY=
# GROQ_API_KEY=
# HUGGINGFACE_TOKEN=
# MISTRAL_API_KEY=
# OPENROUTER_KEY=
# PERPLEXITY_API_KEY=
# SHUTTLEAI_API_KEY=
# TOGETHERAI_API_KEY=
# UNIFY_API_KEY=
# XAI_API_KEY=

#============#
# Anthropic  #
#============#

ANTHROPIC_API_KEY=user_provided
# ANTHROPIC_MODELS=claude-sonnet-4-6,claude-opus-4-6,claude-opus-4-20250514,claude-sonnet-4-20250514,claude-3-7-sonnet-20250219,claude-3-5-sonnet-20241022,claude-3-5-haiku-20241022,claude-3-opus-20240229,claude-3-sonnet-20240229,claude-3-haiku-20240307
# ANTHROPIC_REVERSE_PROXY=

# Set to true to use Anthropic models through Google Vertex AI instead of direct API
# ANTHROPIC_USE_VERTEX=
# ANTHROPIC_VERTEX_REGION=us-east5

#============#
# Azure      #
#============#

# Note: these variables are DEPRECATED
# Use the `librechat.yaml` configuration for `azureOpenAI` instead
# You may also continue to use them if you opt out of using the `librechat.yaml` configuration

# AZURE_OPENAI_DEFAULT_MODEL=gpt-3.5-turbo # Deprecated
# AZURE_OPENAI_MODELS=gpt-3.5-turbo,gpt-4 # Deprecated
# AZURE_USE_MODEL_AS_DEPLOYMENT_NAME=TRUE # Deprecated
# AZURE_API_KEY= # Deprecated
# AZURE_OPENAI_API_INSTANCE_NAME= # Deprecated
# AZURE_OPENAI_API_DEPLOYMENT_NAME= # Deprecated
# AZURE_OPENAI_API_VERSION= # Deprecated
# AZURE_OPENAI_API_COMPLETIONS_DEPLOYMENT_NAME= # Deprecated
# AZURE_OPENAI_API_EMBEDDINGS_DEPLOYMENT_NAME= # Deprecated

#=================#
#   AWS Bedrock   #
#=================#

# BEDROCK_AWS_DEFAULT_REGION=us-east-1 # A default region must be provided
# BEDROCK_AWS_ACCESS_KEY_ID=someAccessKey
# BEDROCK_AWS_SECRET_ACCESS_KEY=someSecretAccessKey
# BEDROCK_AWS_SESSION_TOKEN=someSessionToken

# Note: This example list is not meant to be exhaustive. If omitted, all known, supported model IDs will be included for you.
# BEDROCK_AWS_MODELS=anthropic.claude-sonnet-4-6,anthropic.claude-opus-4-6-v1,anthropic.claude-3-5-sonnet-20240620-v1:0,meta.llama3-1-8b-instruct-v1:0
# Cross-region inference model IDs: us.anthropic.claude-sonnet-4-6,us.anthropic.claude-opus-4-6-v1,global.anthropic.claude-opus-4-6-v1

# See all Bedrock model IDs here: https://docs.aws.amazon.com/bedrock/latest/userguide/model-ids.html#model-ids-arns

# Notes on specific models:
# The following models are not support due to not supporting streaming:
# ai21.j2-mid-v1

# The following models are not support due to not supporting conversation history:
# ai21.j2-ultra-v1, cohere.command-text-v14, cohere.command-light-text-v14

#============#
# Google     #
#============#

GOOGLE_KEY=user_provided

# GOOGLE_REVERSE_PROXY=
# Some reverse proxies do not support the X-goog-api-key header, uncomment to pass the API key in Authorization header instead.
# GOOGLE_AUTH_HEADER=true

# Gemini API (AI Studio)
# GOOGLE_MODELS=gemini-2.5-pro,gemini-2.5-flash,gemini-2.5-flash-lite,gemini-2.0-flash,gemini-2.0-flash-lite

# Vertex AI
# GOOGLE_MODELS=gemini-2.5-pro,gemini-2.5-flash,gemini-2.5-flash-lite,gemini-2.0-flash-001,gemini-2.0-flash-lite-001

# GOOGLE_TITLE_MODEL=gemini-2.0-flash-lite-001

# Google Cloud region for Vertex AI (used by both chat and image generation)
# GOOGLE_LOC=us-central1

# Alternative region env var for Gemini Image Generation
# GOOGLE_CLOUD_LOCATION=global

# Vertex AI Service Account Configuration
# Path to your Google Cloud service account JSON file
# GOOGLE_SERVICE_KEY_FILE=/path/to/service-account.json

# Google Safety Settings
# NOTE: These settings apply to both Vertex AI and Gemini API (AI Studio)
#
# For Vertex AI:
# To use the BLOCK_NONE setting, you need either:
# (a) Access through an allowlist via your Google account team, or
# (b) Switch to monthly invoiced billing: https://cloud.google.com/billing/docs/how-to/invoiced-billing
#
# For Gemini API (AI Studio):
# BLOCK_NONE is available by default, no special account requirements.
#
# Available options: BLOCK_NONE, BLOCK_ONLY_HIGH, BLOCK_MEDIUM_AND_ABOVE, BLOCK_LOW_AND_ABOVE
#
# GOOGLE_SAFETY_SEXUALLY_EXPLICIT=BLOCK_ONLY_HIGH
# GOOGLE_SAFETY_HATE_SPEECH=BLOCK_ONLY_HIGH
# GOOGLE_SAFETY_HARASSMENT=BLOCK_ONLY_HIGH
# GOOGLE_SAFETY_DANGEROUS_CONTENT=BLOCK_ONLY_HIGH
# GOOGLE_SAFETY_CIVIC_INTEGRITY=BLOCK_ONLY_HIGH

#========================#
# Gemini Image Generation #
#========================#

# Gemini Image Generation Tool (for Agents)
# Supports multiple authentication methods in priority order:
# 1. User-provided API key (via GUI)
# 2. GEMINI_API_KEY env var (admin-configured)
# 3. GOOGLE_KEY env var (shared with Google chat endpoint)
# 4. Vertex AI service account (via GOOGLE_SERVICE_KEY_FILE)

# Option A: Use dedicated Gemini API key for image generation
# GEMINI_API_KEY=your-gemini-api-key

# Option B: Use Vertex AI (no API key needed, uses service account)
# Set this to enable Vertex AI and allow tool without requiring API keys
# GEMINI_VERTEX_ENABLED=true

# Vertex AI model for image generation (defaults to gemini-2.5-flash-image)
# GEMINI_IMAGE_MODEL=gemini-2.5-flash-image

#============#
# OpenAI     #
#============#

OPENAI_API_KEY=user_provided
# OPENAI_MODELS=gpt-5,gpt-5-codex,gpt-5-mini,gpt-5-nano,o3-pro,o3,o4-mini,gpt-4.1,gpt-4.1-mini,gpt-4.1-nano,o3-mini,o1-pro,o1,gpt-4o,gpt-4o-mini

DEBUG_OPENAI=false

# TITLE_CONVO=false
# OPENAI_TITLE_MODEL=gpt-4o-mini

# OPENAI_SUMMARIZE=true
# OPENAI_SUMMARY_MODEL=gpt-4o-mini

# OPENAI_FORCE_PROMPT=true

# OPENAI_REVERSE_PROXY=

# OPENAI_ORGANIZATION=

#====================#
#   Assistants API   #
#====================#

ASSISTANTS_API_KEY=user_provided
# ASSISTANTS_BASE_URL=
# ASSISTANTS_MODELS=gpt-4o,gpt-4o-mini,gpt-3.5-turbo-0125,gpt-3.5-turbo-16k-0613,gpt-3.5-turbo-16k,gpt-3.5-turbo,gpt-4,gpt-4-0314,gpt-4-32k-0314,gpt-4-0613,gpt-3.5-turbo-0613,gpt-3.5-turbo-1106,gpt-4-0125-preview,gpt-4-turbo-preview,gpt-4-1106-preview

#==========================#
#   Azure Assistants API   #
#==========================#

# Note: You should map your credentials with custom variables according to your Azure OpenAI Configuration
# The models for Azure Assistants are also determined by your Azure OpenAI configuration.

# More info, including how to enable use of Assistants with Azure here:
# https://www.librechat.ai/docs/configuration/librechat_yaml/ai_endpoints/azure#using-assistants-with-azure

CREDS_KEY=f34be427ebb29de8d88c107a71546019685ed8b241d8f2ed00c3df97ad2566f0
CREDS_IV=e2341419ec3dd3d19b13a1a87fafcbfb

# Azure AI Search
#-----------------
AZURE_AI_SEARCH_SERVICE_ENDPOINT=
AZURE_AI_SEARCH_INDEX_NAME=
AZURE_AI_SEARCH_API_KEY=

AZURE_AI_SEARCH_API_VERSION=
AZURE_AI_SEARCH_SEARCH_OPTION_QUERY_TYPE=
AZURE_AI_SEARCH_SEARCH_OPTION_TOP=
AZURE_AI_SEARCH_SEARCH_OPTION_SELECT=

# OpenAI Image Tools Customization
#----------------
# IMAGE_GEN_OAI_API_KEY= # Create or reuse OpenAI API key for image generation tool
# IMAGE_GEN_OAI_BASEURL= # Custom OpenAI base URL for image generation tool
# IMAGE_GEN_OAI_AZURE_API_VERSION= # Custom Azure OpenAI deployments
# IMAGE_GEN_OAI_MODEL=gpt-image-1 # OpenAI image model (e.g., gpt-image-1, gpt-image-1.5)
# IMAGE_GEN_OAI_DESCRIPTION=
# IMAGE_GEN_OAI_DESCRIPTION_WITH_FILES=Custom description for image generation tool when files are present
# IMAGE_GEN_OAI_DESCRIPTION_NO_FILES=Custom description for image generation tool when no files are present
# IMAGE_EDIT_OAI_DESCRIPTION=Custom description for image editing tool
# IMAGE_GEN_OAI_PROMPT_DESCRIPTION=Custom prompt description for image generation tool
# IMAGE_EDIT_OAI_PROMPT_DESCRIPTION=Custom prompt description for image editing tool

# DALL·E
#----------------
# DALLE_API_KEY=
# DALLE3_API_KEY=
# DALLE2_API_KEY=
# DALLE3_SYSTEM_PROMPT=
# DALLE2_SYSTEM_PROMPT=
# DALLE_REVERSE_PROXY=
# DALLE3_BASEURL=
# DALLE2_BASEURL=

# DALL·E (via Azure OpenAI)
# Note: requires some of the variables above to be set
#----------------
# DALLE3_AZURE_API_VERSION=
# DALLE2_AZURE_API_VERSION=

# Flux
#-----------------
FLUX_API_BASE_URL=https://api.us1.bfl.ai
# FLUX_API_BASE_URL = 'https://api.bfl.ml';

# Get your API key at https://api.us1.bfl.ai/auth/profile
# FLUX_API_KEY=

# Google
#-----------------
GOOGLE_SEARCH_API_KEY=
GOOGLE_CSE_ID=

# Stable Diffusion
#-----------------
SD_WEBUI_URL=http://host.docker.internal:7860

# Tavily
#-----------------
TAVILY_API_KEY=

# Traversaal
#-----------------
TRAVERSAAL_API_KEY=

# WolframAlpha
#-----------------
WOLFRAM_APP_ID=

# Zapier
#-----------------
ZAPIER_NLA_API_KEY=

#==================================================#
#                      Search                      #
#==================================================#

SEARCH=true
MEILI_NO_ANALYTICS=true
MEILI_HOST=http://0.0.0.0:7700
MEILI_MASTER_KEY=DrhYf7zENyR6AlUCKmnz0eYASOQdl6zxH7s7MKFSfFCt

# Optional: Disable indexing, useful in a multi-node setup
# where only one instance should perform an index sync.
# MEILI_NO_SYNC=true

#==================================================#
#          Speech to Text & Text to Speech         #
#==================================================#

STT_API_KEY=
TTS_API_KEY=

#==================================================#
#                        RAG                       #
#==================================================#
# More info: https://www.librechat.ai/docs/configuration/rag_api

# RAG_OPENAI_BASEURL=
# RAG_OPENAI_API_KEY=
# RAG_USE_FULL_CONTEXT=
# EMBEDDINGS_PROVIDER=openai
# EMBEDDINGS_MODEL=text-embedding-3-small

#===================================================#
#                    User System                    #
#===================================================#

#========================#
# Moderation             #
#========================#

OPENAI_MODERATION=false
OPENAI_MODERATION_API_KEY=
# OPENAI_MODERATION_REVERSE_PROXY=

BAN_VIOLATIONS=true
BAN_DURATION=1000 * 60 * 60 * 2
BAN_INTERVAL=20

LOGIN_VIOLATION_SCORE=1
REGISTRATION_VIOLATION_SCORE=1
CONCURRENT_VIOLATION_SCORE=1
MESSAGE_VIOLATION_SCORE=1
NON_BROWSER_VIOLATION_SCORE=20
TTS_VIOLATION_SCORE=0
STT_VIOLATION_SCORE=0
FORK_VIOLATION_SCORE=0
IMPORT_VIOLATION_SCORE=0
FILE_UPLOAD_VIOLATION_SCORE=0

LOGIN_MAX=7
LOGIN_WINDOW=5
REGISTER_MAX=5
REGISTER_WINDOW=60

LIMIT_CONCURRENT_MESSAGES=true
CONCURRENT_MESSAGE_MAX=2

LIMIT_MESSAGE_IP=true
MESSAGE_IP_MAX=40
MESSAGE_IP_WINDOW=1

LIMIT_MESSAGE_USER=false
MESSAGE_USER_MAX=40
MESSAGE_USER_WINDOW=1

ILLEGAL_MODEL_REQ_SCORE=5

#========================#
# Balance                #
#========================#

# CHECK_BALANCE=false
# START_BALANCE=20000 # note: the number of tokens that will be credited after registration.

#========================#
# Registration and Login #
#========================#

ALLOW_EMAIL_LOGIN=true
ALLOW_REGISTRATION=true
ALLOW_SOCIAL_LOGIN=false
ALLOW_SOCIAL_REGISTRATION=false
ALLOW_PASSWORD_RESET=false
# ALLOW_ACCOUNT_DELETION=true # note: enabled by default if omitted/commented out
ALLOW_UNVERIFIED_EMAIL_LOGIN=true

SESSION_EXPIRY=1000 * 60 * 15
REFRESH_TOKEN_EXPIRY=(1000 * 60 * 60 * 24) * 7

JWT_SECRET=16f8c0ef4a5d391b26034086c628469d3f9f497f08163ab9b40137092f2909ef
JWT_REFRESH_SECRET=eaa5191f2914e30b9387fd84e254e4ba6fc51b4654968a9b0803b456a54b8418

# Discord
DISCORD_CLIENT_ID=
DISCORD_CLIENT_SECRET=
DISCORD_CALLBACK_URL=/oauth/discord/callback

# Facebook
FACEBOOK_CLIENT_ID=
FACEBOOK_CLIENT_SECRET=
FACEBOOK_CALLBACK_URL=/oauth/facebook/callback

# GitHub
GITHUB_CLIENT_ID=
GITHUB_CLIENT_SECRET=
GITHUB_CALLBACK_URL=/oauth/github/callback
# GitHub Enterprise
# GITHUB_ENTERPRISE_BASE_URL=
# GITHUB_ENTERPRISE_USER_AGENT=

# Google
GOOGLE_CLIENT_ID=
GOOGLE_CLIENT_SECRET=
GOOGLE_CALLBACK_URL=/oauth/google/callback

# Apple
APPLE_CLIENT_ID=
APPLE_TEAM_ID=
APPLE_KEY_ID=
APPLE_PRIVATE_KEY_PATH=
APPLE_CALLBACK_URL=/oauth/apple/callback

# OpenID
OPENID_CLIENT_ID=
OPENID_CLIENT_SECRET=
OPENID_ISSUER=
OPENID_SESSION_SECRET=
OPENID_SCOPE="openid profile email"
OPENID_CALLBACK_URL=/oauth/openid/callback
OPENID_REQUIRED_ROLE=
OPENID_REQUIRED_ROLE_TOKEN_KIND=
OPENID_REQUIRED_ROLE_PARAMETER_PATH=
OPENID_ADMIN_ROLE=
OPENID_ADMIN_ROLE_PARAMETER_PATH=
OPENID_ADMIN_ROLE_TOKEN_KIND=
# Set to determine which user info property returned from OpenID Provider to store as the User's username
OPENID_USERNAME_CLAIM=
# Set to determine which user info property returned from OpenID Provider to store as the User's name
OPENID_NAME_CLAIM=
# Optional audience parameter for OpenID authorization requests
OPENID_AUDIENCE=

OPENID_BUTTON_LABEL=
OPENID_IMAGE_URL=
# Set to true to automatically redirect to the OpenID provider when a user visits the login page
# This will bypass the login form completely for users, only use this if OpenID is your only authentication method
OPENID_AUTO_REDIRECT=false
# Set to true to use PKCE (Proof Key for Code Exchange) for OpenID authentication
OPENID_USE_PKCE=false
#Set to true to reuse openid tokens for authentication management instead of using the mongodb session and the custom refresh token.
OPENID_REUSE_TOKENS=
#By default, signing key verification results are cached in order to prevent excessive HTTP requests to the JWKS endpoint.
#If a signing key matching the kid is found, this will be cached and the next time this kid is requested the signing key will be served from the cache.
#Default is true.
OPENID_JWKS_URL_CACHE_ENABLED=
OPENID_JWKS_URL_CACHE_TIME= # 600000 ms eq to 10 minutes leave empty to disable caching
#Set to true to trigger token exchange flow to acquire access token for the userinfo endpoint.
OPENID_ON_BEHALF_FLOW_FOR_USERINFO_REQUIRED=
OPENID_ON_BEHALF_FLOW_USERINFO_SCOPE="user.read" # example for Scope Needed for Microsoft Graph API
# Set to true to use the OpenID Connect end session endpoint for logout
OPENID_USE_END_SESSION_ENDPOINT=
# URL to redirect to after OpenID logout (defaults to ${DOMAIN_CLIENT}/login)
OPENID_POST_LOGOUT_REDIRECT_URI=

#========================#
# SharePoint Integration #
#========================#
# Requires Entra ID (OpenID) authentication to be configured

# Enable SharePoint file picker in chat and agent panels
# ENABLE_SHAREPOINT_FILEPICKER=true

# SharePoint tenant base URL (e.g., https://yourtenant.sharepoint.com)
# SHAREPOINT_BASE_URL=https://yourtenant.sharepoint.com

# Microsoft Graph API And SharePoint scopes for file picker
# SHAREPOINT_PICKER_SHAREPOINT_SCOPE==https://yourtenant.sharepoint.com/AllSites.Read
# SHAREPOINT_PICKER_GRAPH_SCOPE=Files.Read.All
#========================#

# SAML
# Note: If OpenID is enabled, SAML authentication will be automatically disabled.
SAML_ENTRY_POINT=
SAML_ISSUER=
SAML_CERT=
SAML_CALLBACK_URL=/oauth/saml/callback
SAML_SESSION_SECRET=

# Attribute mappings (optional)
SAML_EMAIL_CLAIM=
SAML_USERNAME_CLAIM=
SAML_GIVEN_NAME_CLAIM=
SAML_FAMILY_NAME_CLAIM=
SAML_PICTURE_CLAIM=
SAML_NAME_CLAIM=

# Logint buttion settings (optional)
SAML_BUTTON_LABEL=
SAML_IMAGE_URL=

# Whether the SAML Response should be signed.
# - If "true", the entire `SAML Response` will be signed.
# - If "false" or unset, only the `SAML Assertion` will be signed (default behavior).
# SAML_USE_AUTHN_RESPONSE_SIGNED=


#===============================================#
# Microsoft Graph API / Entra ID Integration  #
#===============================================#

# Enable Entra ID people search integration in permissions/sharing system
# When enabled, the people picker will search both local database and Entra ID
USE_ENTRA_ID_FOR_PEOPLE_SEARCH=false

# When enabled, entra id groups owners will be considered as members of the group
ENTRA_ID_INCLUDE_OWNERS_AS_MEMBERS=false

# Microsoft Graph API scopes needed for people/group search
# Default scopes provide access to user profiles and group memberships
OPENID_GRAPH_SCOPES=User.Read,People.Read,GroupMember.Read.All

# LDAP
LDAP_URL=
LDAP_BIND_DN=
LDAP_BIND_CREDENTIALS=
LDAP_USER_SEARCH_BASE=
#LDAP_SEARCH_FILTER="mail="
LDAP_CA_CERT_PATH=
# LDAP_TLS_REJECT_UNAUTHORIZED=
# LDAP_STARTTLS=
# LDAP_LOGIN_USES_USERNAME=true
# LDAP_ID=
# LDAP_USERNAME=
# LDAP_EMAIL=
# LDAP_FULL_NAME=

#========================#
# Email Password Reset   #
#========================#

EMAIL_SERVICE=
EMAIL_HOST=
EMAIL_PORT=25
EMAIL_ENCRYPTION=
EMAIL_ENCRYPTION_HOSTNAME=
EMAIL_ALLOW_SELFSIGNED=
EMAIL_USERNAME=
EMAIL_PASSWORD=
EMAIL_FROM_NAME=
EMAIL_FROM=noreply@librechat.ai

#========================#
#      Mailgun API       #
#========================#

# MAILGUN_API_KEY=your-mailgun-api-key
# MAILGUN_DOMAIN=mg.yourdomain.com
# EMAIL_FROM=noreply@yourdomain.com
# EMAIL_FROM_NAME="LibreChat"

# # Optional: For EU region
# MAILGUN_HOST=https://api.eu.mailgun.net

#========================#
# Firebase CDN           #
#========================#

FIREBASE_API_KEY=
FIREBASE_AUTH_DOMAIN=
FIREBASE_PROJECT_ID=
FIREBASE_STORAGE_BUCKET=
FIREBASE_MESSAGING_SENDER_ID=
FIREBASE_APP_ID=

#========================#
# S3 AWS Bucket          #
#========================#

AWS_ENDPOINT_URL=
AWS_ACCESS_KEY_ID=
AWS_SECRET_ACCESS_KEY=
AWS_REGION=
AWS_BUCKET_NAME=

#========================#
# Azure Blob Storage     #
#========================#

AZURE_STORAGE_CONNECTION_STRING=
AZURE_STORAGE_PUBLIC_ACCESS=false
AZURE_CONTAINER_NAME=files

#========================#
# Shared Links           #
#========================#

ALLOW_SHARED_LINKS=true
ALLOW_SHARED_LINKS_PUBLIC=true

#==============================#
# Static File Cache Control    #
#==============================#

# Leave commented out to use defaults: 1 day (86400 seconds) for s-maxage and 2 days (172800 seconds) for max-age
# NODE_ENV must be set to production for these to take effect
# STATIC_CACHE_MAX_AGE=172800
# STATIC_CACHE_S_MAX_AGE=86400

# If you have another service in front of your LibreChat doing compression, disable express based compression here
# DISABLE_COMPRESSION=true

# If you have gzipped version of uploaded image images in the same folder, this will enable gzip scan and serving of these images
# Note: The images folder will be scanned on startup and a ma kept in memory. Be careful for large number of images.
# ENABLE_IMAGE_OUTPUT_GZIP_SCAN=true

#===================================================#
#                        UI                         #
#===================================================#

APP_TITLE=LibreChat
# CUSTOM_FOOTER="My custom footer"
HELP_AND_FAQ_URL=https://librechat.ai

# SHOW_BIRTHDAY_ICON=true

# Google tag manager id
#ANALYTICS_GTM_ID=user provided google tag manager id

# limit conversation file imports to a certain number of bytes in size to avoid the container
# maxing out memory limitations by unremarking this line and supplying a file size in bytes
# such as the below example of 250 mib
# CONVERSATION_IMPORT_MAX_FILE_SIZE_BYTES=262144000


#===============#
# REDIS Options #
#===============#

# Enable Redis for caching and session storage
# USE_REDIS=true
# Enable Redis for resumable LLM streams (defaults to USE_REDIS value if not set)
# Set to false to use in-memory storage for streams while keeping Redis for other caches
# USE_REDIS_STREAMS=true

# Single Redis instance
# REDIS_URI=redis://127.0.0.1:6379

# Redis cluster (multiple nodes)
# REDIS_URI=redis://127.0.0.1:7001,redis://127.0.0.1:7002,redis://127.0.0.1:7003

# Redis with TLS/SSL encryption and CA certificate
# REDIS_URI=rediss://127.0.0.1:6380
# REDIS_CA=/path/to/ca-cert.pem

# Elasticache may need to use an alternate dnsLookup for TLS connections.  see "Special Note: Aws Elasticache Clusters with TLS" on this webpage: https://www.npmjs.com/package/ioredis
# Enable alternative dnsLookup for redis
# REDIS_USE_ALTERNATIVE_DNS_LOOKUP=true

# Redis authentication (if required)
# REDIS_USERNAME=your_redis_username
# REDIS_PASSWORD=your_redis_password

# Redis key prefix configuration
# Use environment variable name for dynamic prefix (recommended for cloud deployments)
# REDIS_KEY_PREFIX_VAR=K_REVISION
# Or use static prefix directly
# REDIS_KEY_PREFIX=librechat

# Redis connection limits
# REDIS_MAX_LISTENERS=40

# Redis ping interval in seconds (0 = disabled, >0 = enabled)
# When set to a positive integer, Redis clients will ping the server at this interval to keep connections alive
# When unset or 0, no pinging is performed (recommended for most use cases)
# REDIS_PING_INTERVAL=300

# Force specific cache namespaces to use in-memory storage even when Redis is enabled
# Comma-separated list of CacheKeys
# Defaults to CONFIG_STORE,APP_CONFIG so YAML-derived config stays per-container (safe for blue/green deployments)
# Set to empty string to force all namespaces through Redis: FORCED_IN_MEMORY_CACHE_NAMESPACES=
# FORCED_IN_MEMORY_CACHE_NAMESPACES=CONFIG_STORE,APP_CONFIG

# Leader Election Configuration (for multi-instance deployments with Redis)
# Duration in seconds that the leader lease is valid before it expires (default: 25)
# LEADER_LEASE_DURATION=25
# Interval in seconds at which the leader renews its lease (default: 10)
# LEADER_RENEW_INTERVAL=10
# Maximum number of retry attempts when renewing the lease fails (default: 3)
# LEADER_RENEW_ATTEMPTS=3
# Delay in seconds between retry attempts when renewing the lease (default: 0.5)
# LEADER_RENEW_RETRY_DELAY=0.5

#==================================================#
#                      Others                      #
#==================================================#
#   You should leave the following commented out   #

# NODE_ENV=

# E2E_USER_EMAIL=
# E2E_USER_PASSWORD=

#=====================================================#
#                  Cache Headers                      #
#=====================================================#
#   Headers that control caching of the index.html    #
#   Default configuration prevents caching to ensure  #
#   users always get the latest version. Customize    #
#   only if you understand caching implications.      #

# INDEX_CACHE_CONTROL=no-cache, no-store, must-revalidate
# INDEX_PRAGMA=no-cache
# INDEX_EXPIRES=0

# no-cache: Forces validation with server before using cached version
# no-store: Prevents storing the response entirely
# must-revalidate: Prevents using stale content when offline

#=====================================================#
#                  OpenWeather                        #
#=====================================================#
OPENWEATHER_API_KEY=

#====================================#
# LibreChat Code Interpreter API     #
#====================================#

# https://code.librechat.ai
# LIBRECHAT_CODE_API_KEY=your-key

#======================#
# Web Search           #
#======================#

# Note: All of the following variable names can be customized.
# Omit values to allow user to provide them.

# For more information on configuration values, see:
# https://librechat.ai/docs/features/web_search

# Search Provider (Required)
# SERPER_API_KEY=your_serper_api_key

# Scraper (Required)
# FIRECRAWL_API_KEY=your_firecrawl_api_key
# Optional: Custom Firecrawl API URL
# FIRECRAWL_API_URL=your_firecrawl_api_url

# Reranker (Required)
# JINA_API_KEY=your_jina_api_key
# or
# COHERE_API_KEY=your_cohere_api_key

#======================#
# MCP Configuration    #
#======================#

# Treat 401/403 responses as OAuth requirement when no oauth metadata found
# MCP_OAUTH_ON_AUTH_ERROR=true

# Timeout for OAuth detection requests in milliseconds
# MCP_OAUTH_DETECTION_TIMEOUT=5000

# Cache connection status checks for this many milliseconds to avoid expensive verification
# MCP_CONNECTION_CHECK_TTL=60000

# Skip code challenge method validation (e.g., for AWS Cognito that supports S256 but doesn't advertise it)
# When set to true, forces S256 code challenge even if not advertised in .well-known/openid-configuration
# MCP_SKIP_CODE_CHALLENGE_CHECK=false