Added MultiArch Build

Author: wlanboy

multiarch-build.sh

@@ -0,0 +1,94 @@
+#!/bin/bash
+
+# --- Konfiguration ---
+DOCKER_USERNAME="wlanboy"
+IMAGE_NAME="wlanboy/javahttpclient:latest"
+PLATFORMS="linux/amd64,linux/arm64"
+BUILDER_NAME="multiarch-builder"
+
+# Fehlerbehandlung
+set -e
+
+# --- 1. Vorab-Abfragen & Cleanup ---
+echo "--- Vorbereitung ---"
+read -p "Möchtest du den Docker Build-Cache vorab bereinigen? (y/N): " PRE_CLEANUP
+if [[ "$PRE_CLEANUP" =~ ^[Yy]$ ]]; then
+    echo "-> Bereinige Build-Cache..."
+    docker builder prune -a -f
+fi
+
+# Zeitmessung starten
+START_TIME=$(date +%s)
+
+# --- 2. System-Check & Login ---
+echo -e "\n--- System-Check & Login ---"
+
+if docker info 2>/dev/null | grep -iq "Username"; then
+    CURRENT_USER=$(docker info 2>/dev/null | grep -i "Username" | awk '{print $2}')
+    if [ "$CURRENT_USER" == "$DOCKER_USERNAME" ]; then
+        echo "✅ Bereits als $DOCKER_USERNAME eingeloggt."
+    else
+        LOGIN_REQUIRED=true
+    fi
+else
+    LOGIN_REQUIRED=true
+fi
+
+if [ "$LOGIN_REQUIRED" = true ]; then
+    read -sp "Docker Hub Passwort für $DOCKER_USERNAME eingeben: " DOCKER_PASSWORD
+    echo ""
+    echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
+fi
+
+# 3. QEMU Check
+if ! dpkg -l | grep -q qemu-user-static; then
+    echo "-> Installiere QEMU für Multi-Arch Support..."
+    sudo apt-get update && sudo apt-get install -y qemu-user-static binfmt-support
+    sudo update-binfmts --enable
+fi
+
+# 4. Builder Setup
+if ! docker buildx inspect $BUILDER_NAME &>/dev/null; then
+    docker buildx create --name $BUILDER_NAME --use
+else
+    docker buildx use $BUILDER_NAME
+fi
+docker buildx inspect --bootstrap
+
+# --- 5. Auswahl der Aktion ---
+echo -e "\nWas möchtest du tun?"
+echo "1) Nur bauen (lokal laden - nur aktuelle Architektur)"
+echo "2) Bauen und pushen (Multi-Arch zu Docker Hub)"
+read -p "Auswahl [1 oder 2]: " ACTION_CHOICE
+
+case $ACTION_CHOICE in
+    1)
+        echo "-> Starte lokalen Build..."
+        docker buildx build -t "$IMAGE_NAME" --load .
+        echo -e "\n--- Image-Informationen ---"
+        docker buildx imagetools inspect "$IMAGE_NAME"
+        echo "Größe auf dem Host:"
+        docker images "$IMAGE_NAME" 
+        ;;
+    2)
+        echo "-> Starte Multi-Arch Build & Push ($PLATFORMS)..."
+        docker buildx build --platform "$PLATFORMS" -t "$IMAGE_NAME" --push .
+        echo -e "\n--- Remote Manifest-Informationen ---"
+        docker buildx imagetools inspect "$IMAGE_NAME"
+        ;;
+    *)
+        echo "Ungültige Auswahl. Abbruch."
+        exit 1
+        ;;
+esac
+
+# --- 6. Abschluss & Zeitmessung ---
+END_TIME=$(date +%s)
+DURATION=$((END_TIME - START_TIME))
+MINUTES=$((DURATION / 60))
+SECONDS=$((DURATION % 60))
+
+echo -e "\n------------------------------------------"
+echo "✅ Vorgang erfolgreich abgeschlossen!"
+echo "⏱️  Gesamtdauer: ${MINUTES}m ${SECONDS}s"
+echo "------------------------------------------"