Runtime custom docker img (#1168)

* Add DeploymentOptions to K8s Client

* WithBaseImage for  Runtime

* Revert Change

* Fix sequencing

util/kubernetes/client/client.go

@@ -226,9 +226,11 @@ func NewService(name, version, typ string) *Service {
 }
 
 // NewService returns default micro kubernetes deployment definition
-func NewDeployment(name, version, typ string) *Deployment {
+func NewDeployment(name, version, typ string, opts ...DeploymentOption) *Deployment {
 	log.Tracef("kubernetes default deployment: name: %s, version: %s", name, version)
 
+	options := NewDeploymentOptions(opts)
+
 	Labels := map[string]string{
 		"name":    name,
 		"version": version,
@@ -265,7 +267,7 @@ func NewDeployment(name, version, typ string) *Deployment {
 			PodSpec: &PodSpec{
 				Containers: []Container{{
 					Name:    name,
-					Image:   DefaultImage,
+					Image:   options.BaseImage,
 					Env:     []EnvVar{env},
 					Command: []string{"go", "run", "main.go"},
 					Ports: []ContainerPort{{

util/kubernetes/client/options.go

@@ -1,5 +1,9 @@
 package client
 
+type DeploymentOptions struct {
+	BaseImage string
+}
+
 type LogOptions struct {
 	Params map[string]string
 }
@@ -10,6 +14,7 @@ type WatchOptions struct {
 
 type LogOption func(*LogOptions)
 type WatchOption func(*WatchOptions)
+type DeploymentOption func(*DeploymentOptions)
 
 // LogParams provides additional params for logs
 func LogParams(p map[string]string) LogOption {
@@ -24,3 +29,24 @@ func WatchParams(p map[string]string) WatchOption {
 		w.Params = p
 	}
 }
+
+// WithBaseImage sets the base image for the deployment
+func WithBaseImage(img string) DeploymentOption {
+	return func(d *DeploymentOptions) {
+		d.BaseImage = img
+	}
+}
+
+// NewDeploymentOptions returns an initialized DeploymentOptions
+func NewDeploymentOptions(opts []DeploymentOption) DeploymentOptions {
+	var options DeploymentOptions
+	for _, o := range opts {
+		o(&options)
+	}
+
+	if options.BaseImage == "" {
+		options.BaseImage = DefaultImage
+	}
+
+	return options
+}