[usage] Add database-waiter

Author: easyCZ

install/installer/pkg/components/usage/deployment.go

@@ -46,6 +46,7 @@ func deployment(ctx *common.RenderContext) ([]runtime.Object, error) {
 						DNSPolicy:                     "ClusterFirst",
 						RestartPolicy:                 "Always",
 						TerminationGracePeriodSeconds: pointer.Int64(30),
+						InitContainers:                []corev1.Container{*common.DatabaseWaiterContainer(ctx)},
 						Containers: []corev1.Container{{
 							Name:  Component,
 							Image: ctx.ImageName(ctx.Config.Repository, Component, ctx.VersionManifest.Components.Usage.Version),