---
title: "Environment Variables"
description: "Environment variables for Formbricks"
icon: "code"
---

#### Custom Configurations

These variables are present inside your machine's docker-compose file. Restart the docker containers if you change any variables for them to take effect.

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| Variable                     | Description                                                                                                          | Required                                                | Default                                                                   |
| ---------------------------- | -------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------- | ------------------------------------------------------------------------- |
| WEBAPP_URL                   | Base URL of the site.                                                                                                | required                                                | http://localhost:3000                                                     |
| PUBLIC_URL                   | Base URL for the public domain where surveys and public-facing content are served. If not set, uses WEBAPP_URL.      | optional                                                | WEBAPP_URL                                                                |
| NEXTAUTH_URL                 | Location of the auth server. This should normally be the same as WEBAPP_URL                                          | required                                                | http://localhost:3000                                                     |
| DATABASE_URL                 | Database URL with credentials.                                                                                       | required                                                |                                                                           |
| NEXTAUTH_SECRET              | Secret for NextAuth, used for session signing and encryption.                                                        | required                                                | (Generated by the user, must not exceed 32 bytes, `openssl rand -hex 32`) |
| ENCRYPTION_KEY               | Secret used by Formbricks for data encryption and audit log hashing.                                                 | required                                                | (Generated by the user, must not exceed 32 bytes, `openssl rand -hex 32`) |
| CRON_SECRET                  | API Secret for running cron jobs.                                                                                    | required                                                | (Generated by the user, must not exceed 32 bytes, `openssl rand -hex 32`) |
| LOG_LEVEL                    | Minimum log level (debug, info, warn, error, fatal)                                                                  | optional                                                | info                                                                      |
| S3_ACCESS_KEY                | Access key for S3.                                                                                                   | optional                                                | (resolved by the AWS SDK)                                                 |
| S3_SECRET_KEY                | Secret key for S3.                                                                                                   | optional                                                | (resolved by the AWS SDK)                                                 |
| S3_REGION                    | Region for S3.                                                                                                       | optional                                                | (resolved by the AWS SDK)                                                 |
| S3_BUCKET_NAME               | S3 bucket name for data storage. Formbricks enables S3 storage when this is set.                                     | optional (required if S3 is enabled)                    |                                                                           |
| S3_ENDPOINT_URL              | Endpoint for S3.                                                                                                     | optional                                                | (resolved by the AWS SDK)                                                 |
| SAML_DATABASE_URL            | Database URL for SAML.                                                                                               | optional                                                | postgres://postgres:@localhost:5432/formbricks-saml                       |
| PRIVACY_URL                  | URL for privacy policy.                                                                                              | optional                                                |                                                                           |
| TERMS_URL                    | URL for terms of service.                                                                                            | optional                                                |                                                                           |
| IMPRINT_URL                  | URL for imprint.                                                                                                     | optional                                                |                                                                           |
| IMPRINT_ADDRESS              | Address for imprint.                                                                                                 | optional                                                |                                                                           |
| EMAIL_AUTH_DISABLED          | Disables the ability for users to signup or login via email and password if set to 1.                                | optional                                                |                                                                           |
| PASSWORD_RESET_DISABLED      | Disables password reset functionality if set to 1.                                                                   | optional                                                |                                                                           |
| PASSWORD_RESET_TOKEN_LIFETIME_MINUTES | Configures how long password reset links remain valid in minutes. Accepted values are integers from 5 to 120. | optional                                                | 30                                                                        |
| EMAIL_VERIFICATION_DISABLED  | Disables email verification if set to 1.                                                                             | optional                                                |                                                                           |
| DISABLE_ACCOUNT_DELETION_SSO_CONFIRMATION | Skips the SSO identity confirmation redirect for passwordless SSO account deletion if set to 1. Users can delete SSO accounts with only the in-app email text confirmation. Keep unset unless you accept this security trade-off. | optional                                                |                                                                           |
| RATE_LIMITING_DISABLED       | Disables rate limiting if set to 1.                                                                                  | optional                                                |                                                                           |
| TELEMETRY_DISABLED           | Disables telemetry reporting if set to 1. Ignored when an Enterprise License is active.                              | optional                                                |                                                                           |
| DANGEROUSLY_ALLOW_WEBHOOK_INTERNAL_URLS | Allows webhook URLs to point to internal/private network addresses (e.g. localhost, 192.168.x.x) if set to 1. Useful for self-hosted instances that need to send webhooks to internal services. | optional                                                |                                                                           |
| INVITE_DISABLED              | Disables the ability for invited users to create an account if set to 1.                                             | optional                                                |                                                                           |
| MAIL_FROM                    | Email address to send emails from.                                                                                   | optional (required if email services are to be enabled) |                                                                           |
| MAIL_FROM_NAME               | Email name/title to send emails from.                                                                                | optional (required if email services are to be enabled) |                                                                           |
| SMTP_HOST                    | Host URL of your SMTP server.                                                                                        | optional (required if email services are to be enabled) |                                                                           |
| SMTP_PORT                    | Host Port of your SMTP server.                                                                                       | optional (required if email services are to be enabled) |                                                                           |
| SMTP_USER                    | Username for your SMTP Server.                                                                                       | optional (required if email services are to be enabled) |                                                                           |
| SMTP_PASSWORD                | Password for your SMTP Server.                                                                                       | optional (required if email services are to be enabled) |                                                                           |
| SMTP_AUTHENTICATED           | If set to 0, the server will not require SMTP_USER and SMTP_PASSWORD(default is 1)                                   | optional                                                |                                                                           |
| SMTP_SECURE_ENABLED          | SMTP secure connection. For using TLS, set to 1 else to 0.                                                           | optional (required if email services are to be enabled) |                                                                           |
| SMTP_REJECT_UNAUTHORIZED_TLS | If set to 0, the server will accept connections without requiring authorization from the list of supplied CAs.       | optional                                                | 1                                                                         |
| TURNSTILE_SITE_KEY           | Site key for Turnstile.                                                                                              | optional                                                |                                                                           |
| TURNSTILE_SECRET_KEY         | Secret key for Turnstile.                                                                                            | optional                                                |                                                                           |
| RECAPTCHA_SITE_KEY           | Site key for survey responses recaptcha bot protection                                                               | optional                                                |                                                                           |
| RECAPTCHA_SECRET_KEY         | Secret key for recaptcha bot protection.                                                                             | optional                                                |                                                                           |
| GITHUB_ID                    | Client ID for GitHub.                                                                                                | optional (required if GitHub auth is enabled)           |                                                                           |
| GITHUB_SECRET                | Secret for GitHub.                                                                                                   | optional (required if GitHub auth is enabled)           |                                                                           |
| GOOGLE_CLIENT_ID             | Client ID for Google.                                                                                                | optional (required if Google auth is enabled)           |                                                                           |
| GOOGLE_CLIENT_SECRET         | Secret for Google.                                                                                                   | optional (required if Google auth is enabled)           |                                                                           |
| AI_PROVIDER                  | Instance-level AI provider used in the background. Supported values: `aws`, `gcp`, `azure`.                        | optional (required if AI is enabled)                    |                                                                           |
| AI_MODEL                     | Instance-level AI model or deployment name used by the active provider.                                             | optional (required if `AI_PROVIDER` is set)             |                                                                           |
| AI_GCP_PROJECT               | Google Cloud project ID for Vertex AI.                                                                               | optional (required if `AI_PROVIDER=gcp`)                |                                                                           |
| AI_GCP_LOCATION              | Google Cloud location for Vertex AI requests.                                                                        | optional (required if `AI_PROVIDER=gcp`)                |                                                                           |
| AI_GCP_CREDENTIALS_JSON      | Service account credentials JSON for Vertex AI.                                                                      | optional (one of this or `AI_GCP_APPLICATION_CREDENTIALS` required if `AI_PROVIDER=gcp`) |                                                                           |
| AI_GCP_APPLICATION_CREDENTIALS | Path to Google Application Default Credentials used for Vertex AI.                                                | optional (one of this or `AI_GCP_CREDENTIALS_JSON` required if `AI_PROVIDER=gcp`) |                                                                           |
| AI_AWS_REGION                | AWS region for Amazon Bedrock.                                                                                       | optional (required if `AI_PROVIDER=aws`)                |                                                                           |
| AI_AWS_ACCESS_KEY_ID         | AWS access key ID for Amazon Bedrock.                                                                                | optional (required if `AI_PROVIDER=aws`)                |                                                                           |
| AI_AWS_SECRET_ACCESS_KEY     | AWS secret access key for Amazon Bedrock.                                                                            | optional (required if `AI_PROVIDER=aws`)                |                                                                           |
| AI_AWS_SESSION_TOKEN         | AWS session token for Amazon Bedrock temporary credentials.                                                          | optional                                                |                                                                           |
| AI_AZURE_BASE_URL            | Azure OpenAI / Foundry base URL. When set, this is preferred over `AI_AZURE_RESOURCE_NAME`.                         | optional                                                |                                                                           |
| AI_AZURE_RESOURCE_NAME       | Azure resource name used to assemble the Azure OpenAI URL.                                                           | optional                                                |                                                                           |
| AI_AZURE_API_KEY             | API key for Azure OpenAI / Foundry.                                                                                  | optional (required if `AI_PROVIDER=azure`)              |                                                                           |
| AI_AZURE_API_VERSION         | Azure API version for OpenAI-compatible calls.                                                                       | optional                                                | v1                                                                        |
| STRIPE_SECRET_KEY            | Secret key for Stripe integration.                                                                                   | optional                                                |                                                                           |
| STRIPE_WEBHOOK_SECRET        | Webhook secret for Stripe integration.                                                                               | optional                                                |                                                                           |
| DEFAULT_BRAND_COLOR          | Default brand color for your app (Can be overwritten from the UI as well).                                           | optional                                                | #64748b                                                                 |
| DEFAULT_ORGANIZATION_ID      | Automatically assign new users to a specific organization when joining                                               | optional                                                |                                                                           |
| OIDC_DISPLAY_NAME            | Display name for Custom OpenID Connect Provider                                                                      | optional                                                |                                                                           |
| OIDC_CLIENT_ID               | Client ID for Custom OpenID Connect Provider                                                                         | optional (required if OIDC auth is enabled)             |                                                                           |
| OIDC_CLIENT_SECRET           | Secret for Custom OpenID Connect Provider                                                                            | optional (required if OIDC auth is enabled)             |                                                                           |
| OIDC_ISSUER                  | Issuer URL for Custom OpenID Connect Provider (should have .well-known configured at this)                           | optional (required if OIDC auth is enabled)             |                                                                           |
| OIDC_SIGNING_ALGORITHM       | Signing Algorithm for Custom OpenID Connect Provider                                                                 | optional                                                | RS256                                                                     |
| OTEL_EXPORTER_OTLP_ENDPOINT  | Base OTLP HTTP endpoint for traces and metrics export (e.g. http://collector:4318).                                 | optional                                                |                                                                           |
| OTEL_EXPORTER_OTLP_PROTOCOL  | OTLP protocol to use for export.                                                                                     | optional                                                | http/protobuf                                                             |
| OTEL_SERVICE_NAME            | Service name reported in OpenTelemetry resource attributes.                                                          | optional                                                | formbricks                                                                |
| OTEL_RESOURCE_ATTRIBUTES     | Comma-separated resource attributes in OTel format (`key=value,key2=value2`).                                       | optional                                                |                                                                           |
| OTEL_TRACES_SAMPLER          | Trace sampler strategy (`always_on`, `always_off`, `traceidratio`, `parentbased_traceidratio`).                    | optional                                                | always_on                                                                 |
| OTEL_TRACES_SAMPLER_ARG      | Sampling argument used by ratio-based samplers (`0` to `1`).                                                        | optional                                                |                                                                           |
| PROMETHEUS_ENABLED           | Enables Prometheus metrics if set to 1.                                                                              | optional                                                |                                                                           |
| PROMETHEUS_EXPORTER_PORT     | Port for Prometheus metrics.                                                                                         | optional                                                | 9090                                                                      |
| DEFAULT_TEAM_ID              | Default team ID for new users.                                                                                       | optional                                                |                                                                           |
| SENTRY_DSN                   | Set this to track errors and monitor performance in Sentry.                                                          | optional                                                |                                                                           |
| SENTRY_ENVIRONMENT           | Set this to identify the environment in Sentry                                                                       | optional                                                |                                                                           |
| SENTRY_AUTH_TOKEN            | Set this if you want to make errors more readable in Sentry.                                                         | optional                                                |                                                                           |
| SESSION_MAX_AGE              | Configure the maximum age for the session in seconds.                                                                | optional                                                | 86400 (24 hours)                                                          |
| USER_MANAGEMENT_MINIMUM_ROLE | Set this to control which roles can access user management features. Accepted values: "owner", "manager", "disabled" | optional                                                | manager                                                                   |
| REDIS_URL                    | Redis URL for caching, rate limiting, and audit logging. Application will not start without this.                    | required                                                | redis://localhost:6379                                                    |
| AUDIT_LOG_ENABLED            | Set this to 1 to enable audit logging. Requires Redis to be configured with the REDIS_URL env variable.              | optional                                                | 0                                                                         |
| AUDIT_LOG_GET_USER_IP        | Set to 1 to include user IP addresses in audit logs from request headers                                             | optional                                                | 0                                                                         |

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Note: If you want to configure something that is not possible via above, please open an issue on our GitHub repo here or reach out to us on Github Discussions and we'll try our best to work out a solution with you.
