fix: rewrite CI workflow for proper Gitea Actions syntax

.gitea/workflows/ci.yml

@@ -5,9 +5,12 @@ on:
     branches:
       - main
       - master
-      - fix-validation-issues
   pull_request:
 
+env:
+  REGISTRY: git.danhenry.dev
+  IMAGE_NAME: git.danhenry.dev/thelab/shopping-list-api
+
 jobs:
   test:
     runs-on: ubuntu-latest
@@ -43,18 +46,15 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Set image name (lowercase)
-        id: meta
-        run: |
-          IMAGE="${{ secrets.DOCKER_REGISTRY }}/${{ toLower(gitea.repository) }}"
-          echo "image=${IMAGE}" >> "$GITHUB_OUTPUT"
-
       - name: Log in to Gitea container registry
         uses: docker/login-action@v3
         with:
-          registry: ${{ steps.meta.outputs.image }}
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.DOCKER_REGISTRY_USER }}
+          password: ${{ secrets.DOCKER_REGISTRY_TOKEN }}
+
+      - name: Extract commit SHA
+        run: echo "SHA=${GITEA_SHA:0:7}" >> $GITHUB_ENV
 
       - name: Build and push multi-arch image
         uses: docker/build-push-action@v6
@@ -63,7 +63,7 @@ jobs:
           push: true
           platforms: linux/amd64,linux/arm64
           tags: |
-            ${{ steps.meta.outputs.image }}:${{ gitea.sha }}
-            ${{ steps.meta.outputs.image }}:latest
-          cache-from: type=registry,ref=${{ steps.meta.outputs.image }}:latest
-          cache-to: type=registry,ref=${{ steps.meta.outputs.image }}:latest,mode=max
+            ${{ env.IMAGE_NAME }}:${{ env.SHA }}
+            ${{ env.IMAGE_NAME }}:latest
+          cache-from: type=registry,ref=${{ env.IMAGE_NAME }}:latest
+          cache-to: type=registry,ref=${{ env.IMAGE_NAME }}:latest,mode=max