Update Jenkinsfile

Jenkinsfile

@@ -15,6 +15,40 @@ pipeline {
       steps { checkout scm }
     }
 
+    stage('Install prerequisites') {
+      agent any
+      steps {
+        sh '''
+          set -e
+
+          install_deps() {
+            if command -v apt-get >/dev/null 2>&1; then
+              export DEBIAN_FRONTEND=noninteractive
+              apt-get update -y
+              # ICU + common .NET native deps + helpers
+              apt-get install -y --no-install-recommends \
+                libicu libkrb5-3 zlib1g libstdc++6 ca-certificates curl unzip
+              # Fallback in case the meta "libicu" name doesn't exist on this distro
+              apt-get install -y --no-install-recommends libicu-dev || true
+            elif command -v dnf >/dev/null 2>&1; then
+              dnf install -y libicu krb5-libs zlib libstdc++ ca-certificates curl unzip
+            elif command -v yum >/dev/null 2>&1; then
+              yum install -y libicu krb5-libs zlib libstdc++ ca-certificates curl unzip
+            elif command -v apk >/dev/null 2>&1; then
+              apk add --no-cache icu-libs krb5-libs zlib libstdc++ ca-certificates curl unzip
+            else
+              echo "Unsupported package manager. Please install ICU manually."
+              exit 1
+            fi
+          }
+
+          install_deps
+        '''
+      }
+    }
+
+    
+
     // Bootstrap .NET SDK if dotnet is missing
     stage('Bootstrap .NET SDK') {
       agent any