ci: added caching

.gitea/workflows/deploy.yml

@@ -14,12 +14,27 @@ jobs:
         uses: actions/checkout@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+      - name: Cache Docker layers
+        uses: https://github.com/actions/cache@v3
+        with:
+          path: |
+            /tmp/.buildx-cache.bookworm
+            /tmp/.buildx-cache.latest
+          key: ${{ runner.os }}-buildx-${{ gitea.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
       - name: Build
         uses: docker/build-push-action@v5
         with:
           context: .
           load: true
           tags: nerdcult_frontend:latest
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache-new
+      - name: Rotate the cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
       - name: Deploy
         run: |
           docker stop nerdcult-frontend