Обновить 'Jenkinsfile'

Jenkinsfile

@@ -70,7 +70,7 @@ pipeline {
     stage("Staging") {
       steps {
         echo "Run ${DOCKER_IMAGE} in server mode."
-        sh '''container_id_server=`docker run -d --rm -e "mode=server" \
+        sh """container_id_server=`docker run -d --rm -e "mode=server" \
               --privileged ${DOCKER_REGISTRY}/iru/${DOCKER_IMAGE}:${SERIAL}`
               container_ip_server=`docker inspect ${container_id_server} --format='{{.NetworkSettings.IPAddress}}'`
               container_id_client=`docker run -d --rm -e "mode=client" -e "server=${container_ip_server}" --privileged ${DOCKER_REGISTRY}/iru/${DOCKER_IMAGE}:${SERIAL}`
@@ -85,7 +85,7 @@ pipeline {
                 echo "VPN server is started"
                 docker stop ${container_id_server} ${container_id_client}
               fi
-           '''
+           """
       }
     }
     stage ("Push to registry") {