gRPC-Web Configuration

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Configuration

This plugin is compatible with DB-less mode.

Compatible protocols

The gRPC-Web plugin is compatible with the following protocols:

grpc, grpcs, http, https, tcp, tls, tls_passthrough, udp, ws, wss

Parameters

Here's a list of all the parameters which can be used in this plugin's configuration:

• name or plugin

  string required

  The name of the plugin, in this case grpc-web.

  • If using the Kong Admin API, Konnect API, declarative configuration, or decK files, the field is name.
  • If using the KongPlugin object in Kubernetes, the field is plugin.

• service.name or service.id

  string

  The name or ID of the service the plugin targets. Set one of these parameters if adding the plugin to a service through the top-level /plugins endpoint. Not required if using /services/{serviceName|Id}/plugins.

• route.name or route.id

  string

  The name or ID of the route the plugin targets. Set one of these parameters if adding the plugin to a route through the top-level /plugins endpoint. Not required if using /routes/{routeName|Id}/plugins.

• consumer.name or consumer.id

  string

  The name or ID of the consumer the plugin targets. Set one of these parameters if adding the plugin to a consumer through the top-level /plugins endpoint. Not required if using /consumers/{consumerName|Id}/plugins.

• enabled

  boolean default: true

  Whether this plugin will be applied.

• config

  record required
  • proto

    string

    If present, describes the gRPC types and methods. Required to support payload transcoding. When absent, the web client must use application/grpw-web+proto content.

  • pass_stripped_path

    boolean

    If set to true causes the plugin to pass the stripped request path to the upstream gRPC service (see the strip_path Route attribute).

  • allow_origin_header

    string default: *

    The value of the Access-Control-Allow-Origin header in the response to the gRPC-Web client. The default of * is appropriate for requests without credentials. In other cases, specify the allowed origins of the client code. For more information, see MDN Web Docs - Access-Control-Allow-Origin.