[DO-1497] Add alpine podTemplate (#55)

[DO-1497]

Co-authored-by: Boris Shestov <boris.shestov@avroid.tech>
Reviewed-on: https://git.avroid.tech/DevOps/jenkins-shared-lib/pulls/55
Reviewed-by: Aleksandr Vodyanov <aleksandr.vodyanov@avroid.team>

src/tech/avroid/kube/PodTemplates.groovy

@@ -272,6 +272,35 @@ class PodTemplates implements Serializable {
         }
     }
 
+    public void alpine(imageVersion='3.18.5', body) {
+        this.script.podTemplate(
+            cloud: this.cloud,
+            imagePullSecrets: this.dockerCreds,
+            containers: [
+                this.script.containerTemplate(
+                    alwaysPullImage: true,
+                    name: 'alpine',
+                    image: "${this.registry}/docker-hub-proxy/library/alpine:${imageVersion}",
+                    ttyEnabled: true,
+                    command: "cat",
+                    resourceRequestCpu: '100m',
+                    resourceRequestMemory: '64Mi',
+                    resourceLimitCpu: '100m',
+                    resourceLimitMemory: '64Mi',
+                ),
+            ],
+            showRawYaml: false,
+            volumes: [
+                this.script.emptyDirVolume(memory: false, mountPath: '/tmp'),
+            ],
+            workspaceVolume: this.script.emptyDirWorkspaceVolume(false),
+        )
+
+        {
+            body.call()
+        }
+    }
+
     public void containerAurora(imageVersion='5.1.0.100-2', body) {
         this.script.podTemplate(
             runAsUser: "1000",
@@ -307,4 +336,5 @@ class PodTemplates implements Serializable {
             body.call()
         }
     }
+
 }