Multiple serverless files sharing the same api gateway

Question

I am using serverless framework to build a REST API. I have reached the 200 limit stack size and read about the multiple approaches to circumvent it. The most common approach is to split the stacks in a "microservices fashion", where each stack handles a particular set of resources that make sense together.

Because of how serverless works each of those services would create a new api gateway for itself and then, as explained in this blog post, a shared domain can be setup between them so all endpoints can be accessed through the same base url.

Even though this is a valid solution I would really like to be able to work with a single API gateway resource shared between the different stacks, so I don't have to decide upfront a separation of concerns between the different components of my api. Is this possible?

Jesuspc · Accepted Answer · 2018-03-13 11:40:22Z

10

This feature has been recently added to serverless. Documentation is available here.

Essentially the apiGateway to be used in a serverless file can be configured through a config option inside "providers".

provider: 
  ...
  apiGateway:
    restApiId: xxxxxxxxxx # REST API resource ID. Default is generated by the framework
    restApiRootResourceId: xxxxxxxxxx # Root resource, represent as / path

This feature was introduced by this pull request and is available from serverless version 1.26.

answered Mar 13, 2018 at 11:40

Jesuspc

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