diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..1cadf59
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,8 @@
+FROM golang:latest
+
+WORKDIR /app
+
+COPY main /app/main
+COPY templates /app/templates
+
+CMD ["./main"]
\ No newline at end of file
diff --git a/build-docker.sh b/build-docker.sh
new file mode 100755
index 0000000..068f1d4
--- /dev/null
+++ b/build-docker.sh
@@ -0,0 +1,26 @@
+DOCKER_REGISTRY_URL="dockreg.ex.umbach.dev"
+DOCKER_IMAGE_NAME="zeitadler-mailerserver"
+
+# only allow to run this script as root
+if [ "$EUID" -ne 0 ]
+  then echo "Please run as root"
+  exit
+fi
+
+echo "Starting go build of $DOCKER_IMAGE_NAME"
+go build main.go
+echo "Go build finished"
+
+# rm images
+docker image rm $DOCKER_IMAGE_NAME
+
+# build images
+docker build -t $DOCKER_IMAGE_NAME .
+
+# tag images
+docker image tag $DOCKER_IMAGE_NAME:latest $DOCKER_REGISTRY_URL/$DOCKER_IMAGE_NAME:latest
+
+# push to self-hosted docker registry
+docker push $DOCKER_REGISTRY_URL/$DOCKER_IMAGE_NAME
+
+echo "Uploaded $DOCKER_IMAGE_NAME to $DOCKER_REGISTRY_URL"
\ No newline at end of file
diff --git a/templates/emailVerification2.html b/templates/emailVerification2.html
index 200bf33..6677d63 100644
--- a/templates/emailVerification2.html
+++ b/templates/emailVerification2.html
@@ -111,7 +111,7 @@
           <p>{{.address}}</p>
 
           <p class="footer">%footer%</p>
-          <a class="footer" href="https://www.kk-innovation.eu">%dsgvo%</a>
+          <a class="footer" href="https://zeitadler.de/datenschutzerklaerung">%dsgvo%</a>
         </td>
       </tr>
     </table>
diff --git a/templates/emailVerification2.txt b/templates/emailVerification2.txt
index a9b081a..6dc5417 100644
--- a/templates/emailVerification2.txt
+++ b/templates/emailVerification2.txt
@@ -16,4 +16,4 @@
 
 %footer%
 
-%dsgvo%
\ No newline at end of file
+%dsgvo%: https://zeitadler.de/datenschutzerklaerung
\ No newline at end of file
diff --git a/templates/emailVerified.html b/templates/emailVerified.html
index 4ae9008..d83a004 100644
--- a/templates/emailVerified.html
+++ b/templates/emailVerified.html
@@ -100,7 +100,7 @@
           <p>{{.address}}</p>
 
           <p class="footer">%footer%</p>
-          <a class="footer" href="https://www.kk-innovation.eu">%dsgvo%</a>
+          <a class="footer" href="https://zeitadler.de/datenschutzerklaerung">%dsgvo%</a>
         </td>
       </tr>
     </table>
diff --git a/templates/emailVerified.txt b/templates/emailVerified.txt
index e45feeb..d82cbd1 100644
--- a/templates/emailVerified.txt
+++ b/templates/emailVerified.txt
@@ -15,4 +15,4 @@
 
 %footer%
 
-%dsgvo%
\ No newline at end of file
+%dsgvo%: https://zeitadler.de/datenschutzerklaerung
\ No newline at end of file
diff --git a/templates/emailVerifyFailed.html b/templates/emailVerifyFailed.html
index 198215b..ca02b8c 100644
--- a/templates/emailVerifyFailed.html
+++ b/templates/emailVerifyFailed.html
@@ -88,7 +88,7 @@
           <div class="divider"></div>
           <p>{{.address}}</p>
 
-          <a class="footer" href="https://www.kk-innovation.eu">%dsgvo%</a>
+          <a class="footer" href="https://zeitadler.de/datenschutzerklaerung">%dsgvo%</a>
         </td>
       </tr>
     </table>
diff --git a/templates/emailVerifyFailed.txt b/templates/emailVerifyFailed.txt
index bf06a59..4126cca 100644
--- a/templates/emailVerifyFailed.txt
+++ b/templates/emailVerifyFailed.txt
@@ -8,4 +8,4 @@
 %appointment3%
 {{.address}}
 
-%dsgvo%
\ No newline at end of file
+%dsgvo%: https://zeitadler.de/datenschutzerklaerung
\ No newline at end of file