use short sha as container name, also push latest

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

@@ -11,11 +11,13 @@ jobs:
     steps:
       - name: checkout repo
         uses: actions/checkout@v4
+      - name: set short sha
+        run: echo "short_sha=$(echo ${{gitea.sha}} | cut -c1-12)" >> $GITEA_ENV
       - name: build image
         run: |
           docker buildx build --platform linux/amd64 \
           -t git.gractwo.pl/gractwo/arche:latest \
-          -t git.gractwo.pl/gractwo/arche:${{gitea.sha}} \
+          -t git.gractwo.pl/gractwo/arche:${{env.short_sha}} \
           .
       - name: log into package registry
         uses: docker/login-action@v3
@@ -24,7 +26,9 @@ jobs:
           username: ${{ gitea.actor }}
           password: ${{ secrets.TOKEN2 }}
       - name: publish
-        run: docker push git.gractwo.pl/gractwo/arche:${{gitea.sha}}
+        run: |
+          docker push git.gractwo.pl/gractwo/arche:latest
+          docker push git.gractwo.pl/gractwo/arche:${{env.short_sha}}
       - uses: actions-hub/kubectl@master
         env:
           KUBE_CONFIG: ${{ secrets.KUBE_CONFIG }}