added CI caching

Author: CBL17

.github/workflows/deploy.yaml

@@ -21,8 +21,25 @@ jobs:
       with:
         platforms: arm64
 
-    - name: Build Docker Image for ARM64
-      run: docker build --platform linux/arm64 -t build-env .
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Cache Docker layers
+      uses: actions/cache@v3
+      with:
+        path: /tmp/.buildx-cache
+        key: ${{ runner.os }}-buildx-${{ github.sha }}
+        restore-keys: |
+          ${{ runner.os }}-buildx-
+
+    - name: Build Docker Image for ARM64 with Cache
+      uses: docker/build-push-action@v5
+      with:
+        push: false
+        tags: build-env:latest
+        platforms: linux/arm64
+        cache-from: type=local,src=/tmp/.buildx-cache
+        cache-to: type=local,dest=/tmp/.buildx-cache,mode=max
 
     - name: Run Docker Container for ARM64
       run: |