Initial try on an action to build RPM packages

.forgejo/workflows/build.yml

@@ -0,0 +1,22 @@
+name: Build docker image
+
+on: [push]
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-22.04
+
+    env:
+      DOCKER_HOST: ${{ vars.DOCKER_HOST  }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build & Publish
+        uses: https://codeberg.org/umglurf/kaniko-action@main
+        with:
+          credentials: |
+            code.r3pek.org=${{ github.repository_owner }}:${{ secrets.PUBLISH_TOKEN }}
+          destinations: |
+            code.r3pek.org/${{ github.repository }}:latest
+          push: true