Jenkinsfile and Dockerfile changed

Dockerfile

diff --git a/Dockerfile b/Dockerfile
index 639b5da..d62060a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@
 
 WORKDIR /
 
-COPY C:\Users\Administrator\Projekt\Microservices\UbuntuServer\central\my_wrapper_script.sh my_wrapper_script.sh
+COPY C:\\Projekte\\Jenkins_Dockerfiles\\central\\my_wrapper_script.sh my_wrapper_script.sh
 RUN sed -i -e 's/\r$//' my_wrapper_script.sh
 CMD ./my_wrapper_script.sh
 

Jenkinsfile

diff --git a/Jenkinsfile b/Jenkinsfile
index 425f0c8..44810f7 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,5 +1,4 @@
 node {
-    def app
 
     stage('Clone repository') {
         /* Let's make sure we have the repository cloned to our workspace */
@@ -11,10 +10,10 @@
         /* This builds the actual image; synonymous to
          * docker build on the command line */
 
-        app = docker.build("myserver_central/jenkinsversion --no-cache")
+		sh 'docker build --no-cache -t myserver_central:jenkinsversion .'
     }
 	
 	stage('Refresh containers') {
-		bat 'start cmd.exe /c C:\\Jenkinshelper\\refresh_docker.bat'
+		sh 'C:\\Jenkinshelper\\refresh_docker.bat'
 	}
 }
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