Add 'JenkinsFile'

add JenkinsFile configuration

JenkinsFile

@@ -0,0 +1,44 @@
+pipeline {
+  agent {
+      label 'docker'
+  }
+  environment {
+    imagename = "d4science/gcore-resource-manager"   
+    registryCredential = 'e348bfab-5580-4db6-b0e0-d854966bde08'
+    dockerImage = '' 
+    git_url='https://code-repo.d4science.org/gCubeSystem/resource-manager-image.git' 
+  }
+  stages {
+    stage('Cloning Git') {
+      steps {
+        git([url: git_url, branch: 'main', credentialsId: '88b54962-1c0e-49cb-8155-22276860f346'])
+
+      }
+    }
+    stage('Building image') {
+      steps{
+        script {
+          dockerImage = docker.build imagename
+        }
+      }
+    }
+    stage('Deploy Image') {
+      steps{
+        script {
+          docker.withRegistry( '', registryCredential ) {
+            dockerImage.push("$BUILD_NUMBER")
+             dockerImage.push('latest')
+
+          }
+        }
+      }
+    }
+    stage('Remove Unused docker image') {
+      steps{
+        sh "docker rmi $imagename:$BUILD_NUMBER"
+         sh "docker rmi $imagename:latest"
+
+      }
+    }
+  }
+}