Configuration Options

The Hatchet server and engine can be configured via SERVER and DATABASE environment variables. This document contains a list of all available options.

Runtime Configuration

Variable	Description	Default Value
`SERVER_PORT`	Port for the core server	`8080`
`SERVER_URL`	Full server URL, including protocol	`http://localhost:8080`
`SERVER_GRPC_PORT`	Port for the GRPC service	`7070`
`SERVER_GRPC_BIND_ADDRESS`	GRPC server bind address	`127.0.0.1`
`SERVER_GRPC_BROADCAST_ADDRESS`	GRPC server broadcast address	`127.0.0.1:7070`
`SERVER_GRPC_INSECURE`	Controls if the GRPC server is insecure	`false`
`SERVER_SHUTDOWN_WAIT`	Shutdown wait duration	`20s`
`SERVER_ENFORCE_LIMITS`	Enforce tenant limits	`false`
`SERVER_ALLOW_SIGNUP`	Allow new tenant signups	`true`
`SERVER_ALLOW_INVITES`	Allow new invites	`true`
`SERVER_ALLOW_CREATE_TENANT`	Allow tenant creation	`true`
`SERVER_ALLOW_CHANGE_PASSWORD`	Allow password changes	`true`

Database Configuration

Variable	Description	Default Value
`DATABASE_POSTGRES_HOST`	PostgreSQL host	`127.0.0.1`
`DATABASE_POSTGRES_PORT`	PostgreSQL port	`5431`
`DATABASE_POSTGRES_USERNAME`	PostgreSQL username	`hatchet`
`DATABASE_POSTGRES_PASSWORD`	PostgreSQL password	`hatchet`
`DATABASE_POSTGRES_DB_NAME`	PostgreSQL database name	`hatchet`
`DATABASE_POSTGRES_SSL_MODE`	PostgreSQL SSL mode	`disable`
`DATABASE_MAX_CONNS`	Max database connections	`5`
`DATABASE_LOG_QUERIES`	Log database queries	`false`
`CACHE_DURATION`	Cache duration	`60s`

Security Check Configuration

Variable	Description	Default Value
`SERVER_SECURITY_CHECK_ENABLED`	Enable security check	`true`
`SERVER_SECURITY_CHECK_ENDPOINT`	Security check endpoint	`https://security.hatchet.run`

Limit Configuration

Variable	Description	Default Value
`SERVER_LIMITS_DEFAULT_TENANT_RETENTION_PERIOD`	Default tenant retention period	`720h`
`SERVER_LIMITS_DEFAULT_WORKFLOW_RUN_LIMIT`	Default workflow run limit	`1000`
`SERVER_LIMITS_DEFAULT_WORKFLOW_RUN_ALARM_LIMIT`	Default workflow run alarm limit	`750`
`SERVER_LIMITS_DEFAULT_WORKFLOW_RUN_WINDOW`	Default workflow run window	`24h`
`SERVER_LIMITS_DEFAULT_WORKER_LIMIT`	Default worker limit	`4`
`SERVER_LIMITS_DEFAULT_WORKER_ALARM_LIMIT`	Default worker alarm limit	`2`
`SERVER_LIMITS_DEFAULT_EVENT_LIMIT`	Default event limit	`1000`
`SERVER_LIMITS_DEFAULT_EVENT_ALARM_LIMIT`	Default event alarm limit	`750`
`SERVER_LIMITS_DEFAULT_EVENT_WINDOW`	Default event window	`24h`
`SERVER_LIMITS_DEFAULT_CRON_LIMIT`	Default cron limit	`5`
`SERVER_LIMITS_DEFAULT_CRON_ALARM_LIMIT`	Default cron alarm limit	`2`
`SERVER_LIMITS_DEFAULT_SCHEDULE_LIMIT`	Default schedule limit	`1000`
`SERVER_LIMITS_DEFAULT_SCHEDULE_ALARM_LIMIT`	Default schedule alarm limit	`750`

Alerting Configuration

Variable	Description	Default Value
`SERVER_ALERTING_SENTRY_ENABLED`	Enable Sentry for alerting
`SERVER_ALERTING_SENTRY_DSN`	Sentry DSN
`SERVER_ALERTING_SENTRY_ENVIRONMENT`	Sentry environment	`development`

Encryption Configuration

Variable	Description	Default Value
`SERVER_ENCRYPTION_MASTER_KEYSET`	Raw master keyset, base64-encoded JSON string
`SERVER_ENCRYPTION_MASTER_KEYSET_FILE`	Path to the master keyset file
`SERVER_ENCRYPTION_JWT_PUBLIC_KEYSET`	Public JWT keyset, base64-encoded JSON string
`SERVER_ENCRYPTION_JWT_PUBLIC_KEYSET_FILE`	Path to the public JWT keyset file
`SERVER_ENCRYPTION_JWT_PRIVATE_KEYSET`	Private JWT keyset, base64-encoded JSON string
`SERVER_ENCRYPTION_JWT_PRIVATE_KEYSET_FILE`	Path to the private JWT keyset file
`SERVER_ENCRYPTION_CLOUDKMS_ENABLED`	Whether Google Cloud KMS is enabled	`false`
`SERVER_ENCRYPTION_CLOUDKMS_KEY_URI`	URI of the key in Google Cloud KMS
`SERVER_ENCRYPTION_CLOUDKMS_CREDENTIALS_JSON`	JSON credentials for Google Cloud KMS

Authentication Configuration

Variable	Description	Default Value
`SERVER_AUTH_RESTRICTED_EMAIL_DOMAINS`	Restricted email domains
`SERVER_AUTH_BASIC_AUTH_ENABLED`	Whether basic auth is enabled	`true`
`SERVER_AUTH_SET_EMAIL_VERIFIED`	Whether the user's email is set to verified automatically	`false`
`SERVER_AUTH_COOKIE_NAME`	Name of the cookie	`hatchet`
`SERVER_AUTH_COOKIE_DOMAIN`	Domain for the cookie
`SERVER_AUTH_COOKIE_SECRETS`	Cookie secrets
`SERVER_AUTH_COOKIE_INSECURE`	Whether the cookie is insecure	`false`
`SERVER_AUTH_GOOGLE_ENABLED`	Whether Google auth is enabled	`false`
`SERVER_AUTH_GOOGLE_CLIENT_ID`	Google auth client ID
`SERVER_AUTH_GOOGLE_CLIENT_SECRET`	Google auth client secret
`SERVER_AUTH_GOOGLE_SCOPES`	Google auth scopes	`["openid", "profile", "email"]`
`SERVER_AUTH_GITHUB_ENABLED`	Whether GitHub auth is enabled	`false`
`SERVER_AUTH_GITHUB_CLIENT_ID`	GitHub auth client ID
`SERVER_AUTH_GITHUB_CLIENT_SECRET`	GitHub auth client secret
`SERVER_AUTH_GITHUB_SCOPES`	GitHub auth scopes	`["read:user", "user:email"]`

Task Queue Configuration

Variable	Description	Default Value
`SERVER_MSGQUEUE_KIND`	Message queue kind
`SERVER_MSGQUEUE_RABBITMQ_URL`	RabbitMQ URL	`amqp://user:password@localhost:5672/`

TLS Configuration

Variable	Description	Default Value
`SERVER_TLS_STRATEGY`	TLS strategy
`SERVER_TLS_CERT`	TLS certificate
`SERVER_TLS_CERT_FILE`	Path to the TLS certificate file
`SERVER_TLS_KEY`	TLS key
`SERVER_TLS_KEY_FILE`	Path to the TLS key file
`SERVER_TLS_ROOT_CA`	TLS root CA
`SERVER_TLS_ROOT_CA_FILE`	Path to the TLS root CA file
`SERVER_TLS_SERVER_NAME`	TLS server name

Logging Configuration

Variable	Description	Default Value
`SERVER_LOGGER_LEVEL`	Logger level
`SERVER_LOGGER_FORMAT`	Logger format
`DATABASE_LOGGER_LEVEL`	Logger level
`DATABASE_LOGGER_FORMAT`	Logger format

OpenTelemetry Configuration

Variable	Description	Default Value
`SERVER_OTEL_SERVICE_NAME`	Service name for OpenTelemetry
`SERVER_OTEL_COLLECTOR_URL`	Collector URL for OpenTelemetry
`SERVER_OTEL_INSECURE`	Whether to use an insecure connection to the collector URL

Tenant Alerting Configuration

Variable	Description	Default Value
`SERVER_TENANT_ALERTING_SLACK_ENABLED`	Enable Slack for tenant alerting
`SERVER_TENANT_ALERTING_SLACK_CLIENT_ID`	Slack client ID
`SERVER_TENANT_ALERTING_SLACK_CLIENT_SECRET`	Slack client secret
`SERVER_TENANT_ALERTING_SLACK_SCOPES`	Slack scopes	`["incoming-webhook"]`

High Availability Data Retention