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.gitea/workflows/dockerimage.yaml

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+---
+# template source: https://github.com/bretfisher/docker-build-workflow/blob/main/templates/call-docker-build.yaml
+name: Docker Build
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - 'README.md'
+      - 'argocd/**'
+# cancel any previously-started, yet still active runs of this workflow on the same branch
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Login to Gitea Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: gitea.arcodange.duckdns.org
+          username: ${{ github.actor }}
+          password: ${{ secrets.PACKAGES_TOKEN }}
+      
+      - name: git checkout
+        uses: actions/checkout@v4
+      
+      - name: Build and push image to Gitea Container Registry
+        run: |-
+          TAGS="latest ${{ github.ref_name }}"
+          docker build -t app .
+          for TAG in $TAGS; do
+            docker tag app gitea.arcodange.duckdns.org/${{ github.repository }}:$TAG
+            docker push gitea.arcodange.duckdns.org/${{ github.repository }}:$TAG
+          done
+