The Gateway’s role is to centralize all incoming connections to your stack. If you need to expose your Stack to the outside, it is necessary to route all the traffic through it.

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Gateway Object

You can find all the available parameters in the comprehensive CRD documentation.
apiVersion: formance.com/v1beta1
kind: Gateway
metadata:
  name: formance-dev
spec:
  stack: formance-dev

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Expose the Gateway with Ingress

To expose the Gateway to the outside, we will use an Ingress object. The Ingress will be the entry point to your stack. 
apiVersion: formance.com/v1beta1
kind: Gateway
metadata:
  name: formance-dev
spec:
  stack: formance-dev
  ingress:
    host: YOUR_DOMAIN
    scheme: http|https