build&publish workflow wip: build only

.gitea/workflows/build-and-publish.yaml

@@ -0,0 +1,24 @@
+name: arche-build-and-publish
+run-name: arche build & publish by ${{gitea.actor}} on ${{gitea.ref_name}}
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  gractwo-arche-build-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout repo
+        uses: actions/checkout@v4
+      - name: set short SHA
+        run: echo "SHORT_SHA=${GITEA_SHA::7}" >> $GITEA_ENV
+      - name: set up docker
+        run: curl -fsSL https://get.docker.com | sh
+      - name: set up docker buildx
+        uses: docker/setup-buildx-action@v3
+      - name: build image
+        run: docker buildx build --platform linux/amd64 \
+          -t git.gractwo.pl/gractwo/arche:latest \
+          -t git.gractwo.pl/gractwo/arche:${{env.SHORT_SHA}} \
+          .