diff --git a/build.gradle b/build.gradle
index 5d5d62a..3d0384b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,6 +10,7 @@ plugins {
 	id 'io.spring.dependency-management' version '1.0.15.RELEASE'
 	id 'java'
 	id 'com.vaadin'
+	id 'org.graalvm.buildtools.native' version '0.10.2'
 }
 
 repositories {
@@ -42,4 +43,25 @@ dependencyManagement {
 
 test{
 	useJUnitPlatform()
-}
\ No newline at end of file
+}
+
+java {
+	toolchain {
+		languageVersion = JavaLanguageVersion.of(17)
+	}
+}
+
+graalvmNative {
+	binaries {
+        main {
+            imageName.set('ModeratorElection')
+			javaLauncher.set(javaToolchains.launcherFor {
+        		languageVersion.set(JavaLanguageVersion.of(17))
+        		//vendor.set(JvmVendorSpec.GRAAL_VM)
+			})
+        }
+    }
+    testSupport = false
+	toolchainDetection = false
+}
+
diff --git a/doc/dev_notes.md b/doc/dev_notes.md
index 2357adf..6bc9e8c 100644
--- a/doc/dev_notes.md
+++ b/doc/dev_notes.md
@@ -10,8 +10,18 @@ java -jar build/libs/ModeratorElection.jar -> localhost:6333 "White Label..."-Er
 ..in ide dev: ./gradlew clean vaadinPrepareFrontend
 ```
 
+```
+For production:
+* install.sh 
+    git clone --single-branch --branch MEapp-development https://repo.prod.meissa.de/meissa/ModeratorElection.git /usr/local/src/ModeratorElection
+    => --branch main
+
+     
+```
+
 ```
 build graalvm binary
+./gradlew nativeCompile failed, need for some improvements!
 ```
 
 ```  
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 3fa8f86..a441313 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/image/resources/install.sh b/image/resources/install.sh
index 0c9bead..920f124 100755
--- a/image/resources/install.sh
+++ b/image/resources/install.sh
@@ -5,9 +5,11 @@ set -exo pipefail
 function main()
 {
     upgradeSystem
-    apt-get -qqy install openjdk-17-jdk-headless git curl unzip
+    #openjdk-17-jdk-headless, no need, we are installing graalvm
+    apt-get -qqy install git curl unzip
     mkdir /usr/local/src/ModeratorElection
-    git clone --single-branch --branch main https://repo.prod.meissa.de/meissa/ModeratorElection.git /usr/local/src/ModeratorElection
+    #change to main branch for production
+    git clone --single-branch --branch MEapp-development https://repo.prod.meissa.de/meissa/ModeratorElection.git /usr/local/src/ModeratorElection
     cp /tmp/MEMBERNAMES /usr/local/src/ModeratorElection
 
     #download gradle
@@ -15,16 +17,35 @@ function main()
     #curl -SsLo /tmp/gradle-${gradle_version}-bin.zip https://services.gradle.org/distributions/gradle-${gradle_version}-bin.zip
     #curl -SsLo /tmp/gradle-${gradle_version}-bin.zip.sha256 https://services.gradle.org/distributions/gradle-${gradle_version}-bin.zip.sha256
 
-    #checksum gradle
-    #checksum
+    #download graalvm
+    #oracle graalvm-jdk, v17.0.11, 2024-06-14
+    graalvm_JDK_version="17"
+    curl -SsLo /tmp/graalvm-jdk-${graalvm_JDK_version}_linux-x64_bin.tar.gz https://download.oracle.com/graalvm/${graalvm_JDK_version}/latest/graalvm-jdk-${graalvm_JDK_version}_linux-x64_bin.tar.gz
+    curl -SsLo /tmp/graalvm-jdk-${graalvm_JDK_version}_linux-x64_bin.tar.gz.sha256 https://download.oracle.com/graalvm/${graalvm_JDK_version}/latest/graalvm-jdk-${graalvm_JDK_version}_linux-x64_bin.tar.gz.sha256
+
+    #graalvm-community-jdk, v17.0.8, 2023-07-25
+    #graalvm_jdk_version="17.0.8"
+    #curl -SsLo /tmp/graalvm-community-jdk.tar.gz https://github.com/graalvm/graalvm-ce-builds/releases/download/jdk-${graalvm_jdk_version}/graalvm-community-jdk-${graalvm_jdk_version}_linux-x64_bin.tar.gz
+    #curl -SsLo /tmp/graalvm-checksum https://github.com/graalvm/graalvm-ce-builds/releases/download/jdk-${graalvm_jdk_version}/graalvm-community-jdk-${graalvm_jdk_version}_linux-x64_bin.tar.gz.sha256
+
+    #checksum gradle, graalvm
+    checksum
 
     #install gradle
     #mkdir /opt/gradle
     #unzip -qqd /opt/gradle /tmp/gradle-${gradle_version}-bin.zip
     #export PATH=$PATH:/opt/gradle/gradle-${gradle_version}/bin
 
+    #install graalvm -- ToDo: need to be checked, graalvm after installing available as default-jvm?
+    tar -C /usr/lib/jvm/ -xzf graalvm-jdk-${graalvm_JDK_version}_linux-x64_bin.tar.gz
+    dirname_graalvm=$(ls /usr/lib/jvm/|grep -e graa)
+    ln -s /usr/lib/jvm/$dirname_graalvm /usr/lib/jvm/graalvm
+    ln -s /usr/lib/jvm/graalvm/bin/gu /usr/local/bin
+    update-alternatives --install /usr/bin/java java /usr/lib/jvm/graalvm/bin/java 2
 
-    #ToDo install graalvm, put graalvm binary here
+
+
+    #ToDo install by graalvm, put graalvm binary here
     #install -m 0700 /tmp/entrypoint-start-and-wait.sh /
 
     #install -m 0700 /tmp/init.sh /usr/local/bin/
@@ -37,14 +58,18 @@ function main()
 
 function checksum() {
     #gradle
-    echo "  /tmp/gradle-${gradle_version}-bin.zip"|tee -a /tmp/gradle-${gradle_version}-bin.zip.sha256
-    sha256sum -c --status /tmp/gradle-${gradle_version}-bin.zip.sha256
+    #echo "  /tmp/gradle-${gradle_version}-bin.zip"|tee -a /tmp/gradle-${gradle_version}-bin.zip.sha256
+    #sha256sum -c --status /tmp/gradle-${gradle_version}-bin.zip.sha256
+
+    #graalvm
+    echo "  /tmp/graalvm-jdk-${graalvm_JDK_version}_linux-x64_bin.tar.gz"|tee -a /tmp/graalvm-jdk-${graalvm_JDK_version}_linux-x64_bin.tar.gz.sha256
+    sha256sum -c --status graalvm-jdk-${graalvm_JDK_version}_linux-x64_bin.tar.gz.sha256
 }
 
 source /tmp/install_functions_debian.sh
 DEBIAN_FRONTEND=noninteractive DEBCONF_NOWARNINGS=yes main
 
-cd /usr/local/src/ModeratorElection
+#cd /usr/local/src/ModeratorElection
 #npm install -g npm@latest
 #npm audit fix
 #npm ci --omit=dev