run on any branch but master

.github/workflows/build-testing.yml

@@ -0,0 +1,40 @@
+name: Build and pre-release testing ISO
+
+on:
+  workflow_dispatch:
+  push:
+    branches-ignore:
+      - master
+
+jobs:
+  build:
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build the Docker image
+      run: docker build . --file Dockerfile --tag build:latest
+
+    - name: Run container and build ISO
+      run: |
+        docker run --volume ${{ github.workspace }}:/repo --privileged --name build build:latest
+        mv live-image-amd64.iso rTS_RescueMedia.iso
+
+    - name: Upload testing release to GitHub
+      uses: softprops/action-gh-release@v1
+      if: startsWith(github.ref, 'refs/tags/') != true
+      with:
+        files: ./rTS_RescueMedia.iso
+        name: testing
+        prerelease: true
+        tag_name: testing
+        generate_release_notes: true
+
+    - name: Release new Version
+      uses: softprops/action-gh-release@v1
+      if: startsWith(github.ref, 'refs/tags/')
+      with:
+        files: ./rTS_RescueMedia.iso
+        generate_release_notes: true