gcloud-*: add pages (#11625)

* gcloud-*: add pages

---------

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>

pages/common/gcloud-container.md

@@ -0,0 +1,25 @@
+# gcloud container
+
+> Manage containerized applications on Kubernetes and clusters.
+> See also: `gcloud`.
+> More information: <https://cloud.google.com/sdk/gcloud/reference/container>.
+
+- Register `gcloud` as a Docker credential helper:
+
+`gcloud auth configure-docker`
+
+- Create a cluster to run GKE containers:
+
+`gcloud container clusters create {{cluster_name}}`
+
+- List clusters for running GKE containers:
+
+`gcloud container clusters list`
+
+- Update kubeconfig to get `kubectl` to use a GKE cluster:
+
+`gcloud container clusters get-credentials {{cluster_name}}`
+
+- List tag and digest metadata for a container image:
+
+`gcloud container images list-tags {{image}}`