The documentation you are viewing is for Dapr v1.4 which is an older version of Dapr. For up-to-date documentation, see the latest version.

Environment variables

The following table lists the environment variables used by the Dapr runtime, CLI, or from within your application:

Environment Variable Used By Description
APP_ID Your application The id for your application, used for service discovery
APP_PORT Your application The port your application is listening on
APP_API_TOKEN Your application The token used by the application to authenticate requests from Dapr API. Read authenticate requests from Dapr using token authentication for more information.
DAPR_HTTP_PORT Your application The HTTP port that the Dapr sidecar is listening on. Your application should use this variable to connect to Dapr sidecar instead of hardcoding the port value. Set by the Dapr CLI run command for self hosted or injected by the dapr-sidecar-injector into all the containers in the pod.
DAPR_GRPC_PORT Your application The gRPC port that the Dapr sidecar is listening on. Your application should use this variable to connect to Dapr sidecar instead of hardcoding the port value. Set by the Dapr CLI run command for self hosted or injected by the dapr-sidecar-injector into all the containers in the pod.
DAPR_METRICS_PORT Your application The HTTP Prometheus port that Dapr sends its metrics information to. Your application can use this variable to send its application specific metrics to have both Dapr metrics and application metrics together. See metrics-port for more information
DAPR_API_TOKEN Dapr sidecar The token used for Dapr API authentication for requests from the application. Read enable API token authentication in Dapr for more information.
NAMESPACE Dapr sidecar Used to specify a component’s namespace in self-hosted mode


Last modified November 18, 2021 : Merge pull request #1978 from tanvigour/v1.4 (85161cd)