Add WebDAV backup sync and armv7 Docker builds

.github/workflows/release.yml

@@ -284,14 +284,17 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/')
     strategy:
       fail-fast: false
-      matrix:
-        include:
-          - arch: amd64
-            platform: linux/amd64
-            runner: ubuntu-latest
-          - arch: arm64
-            platform: linux/arm64
-            runner: ubuntu-24.04-arm
+      matrix:
+        include:
+          - arch: amd64
+            platform: linux/amd64
+            runner: ubuntu-latest
+          - arch: arm64
+            platform: linux/arm64
+            runner: ubuntu-24.04-arm
+          - arch: armv7
+            platform: linux/arm/v7
+            runner: ubuntu-latest
 
     steps:
       - name: Checkout
@@ -304,8 +307,12 @@ jobs:
             exit 1
           fi
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v4
+
+      - name: Set up QEMU
+        if: matrix.arch == 'armv7'
+        uses: docker/setup-qemu-action@v4
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v4
@@ -410,8 +417,9 @@ jobs:
           set -euo pipefail
           while IFS= read -r tag; do
             [ -n "$tag" ] || continue
-            docker buildx imagetools create \
-              --tag "$tag" \
-              "${tag}-amd64" \
-              "${tag}-arm64"
-          done <<< "${{ steps.meta.outputs.tags }}"
+            docker buildx imagetools create \
+              --tag "$tag" \
+              "${tag}-amd64" \
+              "${tag}-arm64" \
+              "${tag}-armv7"
+          done <<< "${{ steps.meta.outputs.tags }}"