diff --git a/docker-image-build-pipeline.groovy b/docker-image-build-pipeline.groovy
new file mode 100644
index 0000000..65bf1d0
--- /dev/null
+++ b/docker-image-build-pipeline.groovy
@@ -0,0 +1,45 @@
+/**
+ * Docker image build pipeline
+ * IMAGE_NAME - Image name
+ * IMAGE_GIT_URL - Image git repo URL
+ * IMAGE_BRANCH - Image repo branch
+ * IMAGE_CREDENTIALS_ID - Image repo credentials id
+ * IMAGE_TAGS - Image tags
+ * DOCKERFILE_PATH - Relative path to docker file in image repo
+ * REGISTRY_URL - Docker registry URL (can be empty)
+ * REGISTRY_CREDENTIALS_ID - Docker hub credentials id
+ *
+**/
+
+def common = new com.mirantis.mk.Common()
+def gerrit = new com.mirantis.mk.Gerrit()
+def dockerLib = new com.mirantis.mk.Docker()
+node("docker") {
+  def workspace = common.getWorkspace()
+  def imageTagsList = IMAGE_TAGS.tokenize(" ")
+  try{
+    def dockerApp
+    docker.withRegistry(REGISTRY_URL, REGISTRY_CREDENTIALS_ID) {
+      stage("checkout") {
+         gerrit.gerritPatchsetCheckout(IMAGE_GIT_URL, "", IMAGE_BRANCH, IMAGE_CREDENTIALS_ID)
+      }
+      stage("build") {
+        dockerApp = dockerLib.buildDockerImage(IMAGE_NAME, "", "${workspace}/${DOCKERFILE_PATH}", imageTagsList[0])
+        if(!dockerApp){
+          throw new Exception("Docker build image failed")
+        }
+      }
+      stage("upload to docker hub"){
+        for(int i=0;i<imageTagsList.size();i++){
+          dockerApp.push(imageTagsList[i])
+        }
+      }
+    }
+  } catch (Throwable e) {
+     // If there was an error or exception thrown, the build failed
+     currentBuild.result = "FAILURE"
+     throw e
+  } finally {
+     common.sendNotification(currentBuild.result,"",["slack"])
+  }
+}
diff --git a/gating-pipeline.groovy b/gating-pipeline.groovy
index 8cc5031..bd94f63 100644
--- a/gating-pipeline.groovy
+++ b/gating-pipeline.groovy
@@ -4,14 +4,21 @@
  * JOBS_NAMESPACE - Gerrit gating jobs namespace (mk, contrail, ...)
  *
 **/
+import groovy.json.JsonSlurper
 
 def common = new com.mirantis.mk.Common()
 def gerrit = new com.mirantis.mk.Gerrit()
 def ssh = new com.mirantis.mk.Ssh()
 node("python") {
   try{
+    // test if change is not already merged
+    ssh.prepareSshAgentKey(CREDENTIALS_ID)
+    ssh.ensureKnownHosts(GERRIT_HOST)
+    def output = ssh.agentSh(String.format("ssh -p 29418 %s@%s gerrit query --format=JSON change:%s", GERRIT_NAME, GERRIT_HOST, GERRIT_CHANGE_NUMBER))
+    def jsonSlurper = new JsonSlurper()
+    def gerritChange = jsonSlurper.parseText(output)
     stage("test") {
-      if (!SKIP_TEST.equals("true")){
+      if (gerritChange.status != "MERGED" && !SKIP_TEST.equals("true")){
         wrap([$class: 'AnsiColorBuildWrapper']) {
           def gerritProjectArray = GERRIT_PROJECT.tokenize("/")
           def gerritProject = gerritProjectArray[gerritProjectArray.size() - 1]
@@ -36,10 +43,12 @@
       }
     }
     stage("submit review"){
-      ssh.prepareSshAgentKey(CREDENTIALS_ID)
-      ssh.ensureKnownHosts(GERRIT_HOST)
-      ssh.agentSh(String.format("ssh -p 29418 %s@%s gerrit review --submit %s,%s", GERRIT_NAME, GERRIT_HOST, GERRIT_CHANGE_NUMBER, GERRIT_PATCHSET_NUMBER))
-      common.infoMsg(String.format("Gerrit review %s,%s submitted", GERRIT_CHANGE_NUMBER, GERRIT_PATCHSET_NUMBER))
+      if(gerritChange.status == "MERGED"){
+        common.successMsg("Change ${GERRIT_CHANGE_NUMBER} is already merged, no need to gate them")
+      }else{
+        ssh.agentSh(String.format("ssh -p 29418 %s@%s gerrit review --submit %s,%s", GERRIT_NAME, GERRIT_HOST, GERRIT_CHANGE_NUMBER, GERRIT_PATCHSET_NUMBER))
+        common.infoMsg(String.format("Gerrit review %s,%s submitted", GERRIT_CHANGE_NUMBER, GERRIT_PATCHSET_NUMBER))
+      }
     }
   } catch (Throwable e) {
      // If there was an error or exception thrown, the build failed