diff --git a/build.yml b/build.yml
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--- /dev/null
+++ b/build.yml
@@ -0,0 +1,194 @@
+name: Build and Release .NET WPF
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'   # optional: reagiere auf Tag-Pushes wie v1.0.0
+
+env:
+  SOLUTION_PATH: "FileBrowser.sln"   # anpassen falls dein .sln anders heißt
+  CONFIGURATION: "Release"
+  RUNTIME: "win-x64"                # WPF benötigt Windows runtime; wir publishen framework-dependent/native
+  OUTPUT_DIR: "publish_out"
+  ZIP_NAME_PREFIX: "FileBrowser"
+  # Default Gitea API base; du kannst dies als Repository-Secret überschreiben
+  BASE_URL: "https://git.out.jafre.li/api/v1"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup .NET SDK
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: '8.0.x' # anpassen an dein TargetFramework (z.B. 7.0, 8.0)
+
+      - name: Restore
+        run: dotnet restore "$SOLUTION_PATH"
+
+      - name: Build
+        run: dotnet build "$SOLUTION_PATH" --configuration $CONFIGURATION --no-restore
+
+      - name: Publish WPF project
+        # Passe Pfad zu deinem WPF-Projekt (.csproj) an, z.B. src/FileBrowser/FileBrowser.csproj
+        run: |
+          PROJECT_PATH=$(find . -maxdepth 3 -type f -name "*.csproj" | head -n 1)
+          if [ -z "$PROJECT_PATH" ]; then
+            echo "No .csproj found - aborting"
+            exit 1
+          fi
+          echo "Publishing project: $PROJECT_PATH"
+          rm -rf $OUTPUT_DIR
+          dotnet publish "$PROJECT_PATH" \
+            --configuration $CONFIGURATION \
+            --runtime $RUNTIME \
+            --self-contained false \
+            -o $OUTPUT_DIR
+
+      - name: Create zip of publish output
+        run: |
+          TIMESTAMP=$(date -u +"%Y%m%dT%H%M%SZ")
+          ZIP_FILE="${ZIP_NAME_PREFIX}-${TIMESTAMP}.zip"
+          if [ ! -d "$OUTPUT_DIR" ]; then
+            echo "Publish output not found in $OUTPUT_DIR"
+            exit 1
+          fi
+          zip -r "$ZIP_FILE" "$OUTPUT_DIR"
+          echo "ZIP_FILE=$ZIP_FILE" >> $GITHUB_OUTPUT
+        # NOTE: Gitea Actions environment may not provide $GITHUB_OUTPUT; as fallback set env var:
+        env:
+          ZIP_TMP: /tmp
+      - name: Set ZIP filename variable (fallback)
+        if: always()
+        run: |
+          TIMESTAMP=$(date -u +"%Y%m%dT%H%M%SZ")
+          echo "ZIP_FILE=${ZIP_NAME_PREFIX}-${TIMESTAMP}.zip" > zipname.txt
+        shell: bash
+
+      - name: Retrieve ZIP filename
+        id: getzip
+        run: |
+          if [ -f zipname.txt ]; then
+            ZIP_FILE=$(cat zipname.txt)
+          else
+            ZIP_FILE=$(ls ${ZIP_NAME_PREFIX}-*.zip | head -n1 || true)
+          fi
+          if [ -z "$ZIP_FILE" ]; then
+            echo "Could not determine zip file"
+            exit 1
+          fi
+          echo "zip=$ZIP_FILE" >> $GITHUB_OUTPUT
+          echo "::set-output name=zip::$ZIP_FILE"
+        shell: bash
+
+      - name: Prepare release metadata
+        id: meta
+        run: |
+          # Determine tag: use pushed tag if present, else use commit SHA-based tag
+          if [ -n "${{ github.ref }}" ] && [[ "${{ github.ref }}" == refs/tags/* ]]; then
+            TAG="${{ github.ref#refs/tags/ }}"
+          else
+            SHORT_SHA=$(git rev-parse --short HEAD)
+            TAG="build-${SHORT_SHA}"
+          fi
+          NAME="Automated build ${TAG}"
+          BODY="Automated build created by CI for tag ${TAG}."
+          echo "tag=$TAG" >> $GITHUB_OUTPUT
+          echo "name=$NAME" >> $GITHUB_OUTPUT
+          echo "body=$BODY" >> $GITHUB_OUTPUT
+          echo "::set-output name=tag::$TAG"
+          echo "::set-output name=name::$NAME"
+          echo "::set-output name=body::$BODY"
+        shell: bash
+
+      - name: Create or get release ID
+        id: release
+        env:
+          BASE_URL: ${{ env.BASE_URL }}
+          TOKEN: ${{ secrets.GITEA_TOKEN }}
+          OWNER: ${{ github.repository_owner }}
+          REPO: ${{ github.event.repository.name }}
+        run: |
+          TAG="${{ steps.meta.outputs.tag }}"
+          # Check if release exists
+          API="${BASE_URL}/repos/${OWNER}/${REPO}/releases/tags/${TAG}"
+          echo "Checking for existing release at $API"
+          HTTP_STATUS=$(curl -s -o /tmp/release.json -w "%{http_code}" \
+            -H "Authorization: token ${TOKEN}" \
+            "$API" || true)
+          if [ "$HTTP_STATUS" -eq 200 ]; then
+            RELEASE_ID=$(jq -r .id /tmp/release.json)
+            echo "Found existing release id=$RELEASE_ID"
+            echo "release_id=$RELEASE_ID" >> $GITHUB_OUTPUT
+            echo "::set-output name=release_id::$RELEASE_ID"
+            exit 0
+          fi
+
+          # Create release
+          CREATE_API="${BASE_URL}/repos/${OWNER}/${REPO}/releases"
+          echo "Creating release via $CREATE_API"
+          PAYLOAD=$(jq -n \
+            --arg tag "$TAG" \
+            --arg name "${{ steps.meta.outputs.name }}" \
+            --arg body "${{ steps.meta.outputs.body }}" \
+            '{tag_name:$tag, name:$name, body:$body, draft:false, prerelease:false}')
+          RESP=$(curl -s -w "\n%{http_code}" -X POST \
+            -H "Content-Type: application/json" \
+            -H "Authorization: token ${TOKEN}" \
+            -d "$PAYLOAD" \
+            "$CREATE_API")
+          HTTP_STATUS=$(echo "$RESP" | tail -n1)
+          BODY_RESP=$(echo "$RESP" | sed '$d')
+          if [ "$HTTP_STATUS" -ne 201 ] && [ "$HTTP_STATUS" -ne 200 ]; then
+            echo "Failed to create release: HTTP $HTTP_STATUS - $BODY_RESP"
+            exit 1
+          fi
+          echo "$BODY_RESP" > /tmp/release.json
+          RELEASE_ID=$(jq -r .id /tmp/release.json)
+          echo "release_id=$RELEASE_ID" >> $GITHUB_OUTPUT
+          echo "::set-output name=release_id::$RELEASE_ID"
+        shell: bash
+
+      - name: Upload asset to release
+        env:
+          BASE_URL: ${{ env.BASE_URL }}
+          TOKEN: ${{ secrets.GITEA_TOKEN }}
+          OWNER: ${{ github.repository_owner }}
+          REPO: ${{ github.event.repository.name }}
+        run: |
+          RELEASE_ID="${{ steps.release.outputs.release_id }}"
+          ZIP_FILE="${{ steps.getzip.outputs.zip }}"
+          if [ -z "$RELEASE_ID" ]; then
+            echo "Release ID is empty"
+            exit 1
+          fi
+          if [ ! -f "$ZIP_FILE" ]; then
+            # try to find zip file in repo root
+            ZIP_FILE=$(ls ${ZIP_NAME_PREFIX}-*.zip | head -n1 || true)
+          fi
+          if [ ! -f "$ZIP_FILE" ]; then
+            echo "Zip file not found: $ZIP_FILE"
+            ls -la
+            exit 1
+          fi
+          echo "Uploading $ZIP_FILE to release $RELEASE_ID"
+          UPLOAD_API="${BASE_URL}/repos/${OWNER}/${REPO}/releases/${RELEASE_ID}/assets?name=$(basename "$ZIP_FILE")"
+          HTTP_STATUS=$(curl -s -o /tmp/upload_resp.json -w "%{http_code}" \
+            -X POST \
+            -H "Authorization: token ${TOKEN}" \
+            -H "Content-Type: application/zip" \
+            --data-binary @"$ZIP_FILE" \
+            "$UPLOAD_API" || true)
+          if [ "$HTTP_STATUS" -ne 201 ] && [ "$HTTP_STATUS" -ne 200 ]; then
+            echo "Upload failed: HTTP $HTTP_STATUS"
+            cat /tmp/upload_resp.json || true
+            exit 1
+          fi
+          echo "Upload successful"
+          cat /tmp/upload_resp.json
+        shell: bash
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