Update docker-image.yml

Former-commit-id: 5837c894962bfd6e7e9352fcbb84ef0e2d0947a6
Former-commit-id: 97178c625792489ca031b9f296badce34fd6f14f

.github/workflows/docker-image.yml

@@ -7,12 +7,30 @@ on:
     branches: [ "main" ]
 
 jobs:
-
   build:
-
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Build the Docker image
-      run: docker build . --file ./Dockerfile --tag picpilot:$(date +%s)
+    - name: Check out the repository
+      uses: actions/checkout@v4
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Log in to Docker Hub
+      uses: docker/login-action@v2
+      with:
+        username: ${{ secrets.DOCKER_USERNAME }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - 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 and push Docker image
+      run: |
+        docker buildx build --file ./Dockerfile --tag ${{ secrets.DOCKER_USERNAME }}/picpilot:$(date +%s) --push --cache-to=type=local,dest=/tmp/.buildx-cache,new=true --cache-from=type=local,src=/tmp/.buildx-cache .