using pipeline lib for building containers.

Jenkinsfile

@@ -37,29 +37,8 @@ pipeline {
     }
     stage('Build images') { 
       steps {
-        container('kaniko') { 
+        buildcontainer(dockerfile: "Dockerfile.prod", image: env.IMAGE_NAME, tag: env.IMAGE_TAG)
-          sh '''
+        buildcontainer(dockerfile: "Dockerfile.test", image: "${env.IMAGE_NAME}-test", tag: env.IMAGE_TAG)
-            /kaniko/executor \
-              --build-arg GOPROXY="$GOPROXY" \
-              --build-arg GOSUMDB="$GTOSUMDB" \
-              --registry-mirror wharf.wamblee.org \
-              --context=dir://. \
-              --dockerfile=Dockerfile.prod \
-              --destination=${REGISTRY}/${IMAGE_NAME}:${IMAGE_TAG} \
-              --destination=${REGISTRY}/${IMAGE_NAME}:${BRANCH_NAME}-latest
-            rm -rf /kaniko/*[0-9]* && rm -rf /kaniko/Dockerfile && mkdir -p /workspace
-          '''
-          sh '''
-            /kaniko/executor \
-              --build-arg GOPROXY="$GOPROXY" \
-              --build-arg GOSUMDB="$GTOSUMDB" \
-              --registry-mirror wharf.wamblee.org \
-              --context=dir://. \
-              --dockerfile=Dockerfile.test \
-              --destination=${REGISTRY}/${IMAGE_NAME}-test:${IMAGE_TAG} \
-              --destination=${REGISTRY}/${IMAGE_NAME}-test:${BRANCH_NAME}-latest
-          '''
-        }
       } 
     }
     stage('Integration test') {