feat: allow specifying an ingress class via chart value

While Dokku currently only supports traefik, providing this setting will allow swapping out the ingress to another fairly easily.

plugins/scheduler-k3s/template.go

@@ -36,7 +36,7 @@ type GlobalValues struct {
 	DeploymentID string            `yaml:"deploment_id"`
 	Image        GlobalImage       `yaml:"image"`
 	Namespace    string            `yaml:"namespace"`
-	PrimaryPort  int32             `yaml:"primary_port"`
+	Network      GlobalNetwork     `yaml:"network"`
 	Secrets      map[string]string `yaml:"secrets,omitempty"`
 }
 
@@ -47,6 +47,11 @@ type GlobalImage struct {
 	WorkingDir       string `yaml:"working_dir"`
 }
 
+type GlobalNetwork struct {
+	IngressClass string `yaml:"ingress_class"`
+	PrimaryPort  int32  `yaml:"primary_port"`
+}
+
 type ProcessValues struct {
 	Args         []string            `yaml:"args,omitempty"`
 	Cron         ProcessCron         `yaml:"cron,omitempty"`