configurer-append: Add mergo.WithAppendSlice for VaultConfigurerPodS…

…pec to be able to set container spec

Signed-off-by: Mike Luttikhuis <mike.luttikhuis@twint.ch>

pkg/controller/vault/vault_controller.go

@@ -948,7 +948,7 @@ func deploymentForConfigurer(v *vaultv1alpha1.Vault, configmaps corev1.ConfigMap
 	// merge provided VaultConfigurerPodSpec into the PodSpec defined above
 	// the values in VaultConfigurerPodSpec will never overwrite fields defined in the PodSpec above
 	if v.Spec.VaultConfigurerPodSpec != nil {
-		if err := mergo.Merge(&podSpec, corev1.PodSpec(*v.Spec.VaultConfigurerPodSpec)); err != nil {
+		if err := mergo.Merge(&podSpec, corev1.PodSpec(*v.Spec.VaultConfigurerPodSpec), mergo.WithAppendSlice); err != nil {
 			return nil, err
 		}
 	}