custom-nginx-template.yaml

kind: ConfigMap
apiVersion: v1
metadata:
  name: nginx-config
  namespace: ingress-nginx
data:
  nginx.tmpl: |
    # This is TEST configuration for {{$.Ingress.Name}}/{{$.Ingress.Namespace}}
    {{range $ip := split (index $.Ingress.Annotations "custom.nginx.org/test-split-feature") ","}}
    # Insert config for test-split-feature: {{trim $ip}};
    {{end}}
    {{if index $.Ingress.Annotations "custom.nginx.org/feature-a"}}
      # Insert config for feature A if the annotation is set
    {{end}}
    {{with $value := index $.Ingress.Annotations "custom.nginx.org/feature-b"}}
      # Print the value assigned to the annotation: {{$value}}
    {{end}}