Iss #216 - Update Jenkinsfile + staging k8s for new latest-staging tag

Resolves #216

Jenkinsfile

@@ -106,6 +106,16 @@ pipeline {
       """,
       returnStdout: true
     )
+    LATEST_TAG_NAME = sh(
+      script: """
+        if [ "${env.ENVIRONMENT}" = "staging" ]; then
+          printf latest-staging
+        else
+          printf latest
+        fi
+      """,
+      returnStdout: true
+    )
   }
 
   options {
@@ -139,7 +149,7 @@ pipeline {
       steps {
         unstash name: "target"
         sh '''
-           docker build -f src/main/docker/Dockerfile.jvm --no-cache -t ${IMAGE_NAME}:${TAG_NAME} -t ${IMAGE_NAME}:latest .
+           docker build -f src/main/docker/Dockerfile.jvm --no-cache -t ${IMAGE_NAME}:${TAG_NAME} -t ${IMAGE_NAME}:${LATEST_TAG_NAME} .
         '''
       }
     }
@@ -158,7 +168,7 @@ pipeline {
         withDockerRegistry([credentialsId: '04264967-fea0-40c2-bf60-09af5aeba60f', url: 'https://index.docker.io/v1/']) {
           sh '''
             docker push ${IMAGE_NAME}:${TAG_NAME}
-            docker push ${IMAGE_NAME}:latest
+            docker push ${IMAGE_NAME}:${LATEST_TAG_NAME}
           '''
         }
       }

src/main/k8s/staging.yml

@@ -30,7 +30,7 @@ spec:
             weight: 1
       containers:
       - name: app
-        image: eclipsefdn/eclipsefdn-project-adopters:latest
+        image: eclipsefdn/eclipsefdn-project-adopters:latest-staging
         imagePullPolicy: Always
         ports:
         - containerPort: 8090