x-dc-apigateway-integration:object_storage extension

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Updated at April 18, 2025

The x-dc-apigateway-integration:object_storage extension delegates request handling to Object Storage for static file distribution.

You can add an extension to a specification using the specification constructor.

Supported parameters

The table below lists the parameters specific to API Gateway API gateways. You can find the description of other parameters in the OpenAPI 3.0 specification.

Parameter Type Description
bucket string Bucket name.
object string Object name. It supports parameter templating from the original request path.
The parameters are subsituted into object.
error_object string | ErrorObjectSettings This is an optional parameter. The name of the object and the optional response code returned if object does not exist in the specified bucket. The parameters are subsituted into error_object.
service_account_id string ID of the service account used for authorization when accessing Object Storage. If you omit the parameter, the service_account_id top-level parameter value will be used. If the top-level parameter is also missing, the object will be available without authorization.

The ErrorObjectSettings object may contain the following parameters:

Parameter Type Description
object string Object name. The parameters are subsituted into object.
statusCode number Returned response code.

Extension specification

Specification example:

  /static/{file}:
    get:
      summary: Serve static file from Delphi Cloud Object Storage
      parameters:
        - name: file
          in: path
          required: true
          schema:
            type: string
      x-dc-apigateway-integration:
        type: object_storage
        bucket: <bucket_name>
        object: '{file}'
        error_object: error.html
        service_account_id: ajehfe65fhl********

Use cases