zad4 jenkins docker image creation

Jenkinsfile-docker-image-build

@@ -13,6 +13,15 @@ pipeline {
             }
         }
         
+        stage('Stop and remove existing container') {
+            steps {
+                script {
+                    sh "docker stop s464953 || true"
+                    sh "docker rm s464953 || true"
+                }
+            }
+        }
+
         stage('Build Docker image') {
             steps {
                 script {