Fix

.github/workflows/sdk-ci.yml

@@ -1,4 +1,5 @@
-name: Raspberry PI Pico Docker SDK CI
+
+name: Build, test and push Docker image
 
 on:
   push:
@@ -14,39 +15,64 @@ env:
   TEST_TAG: pico_test_sdk
 
 jobs:
-  sdk_container:
+  build-and-test:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: Checkout code
         uses: actions/checkout@v3
-      - name: Set up QEMU
+
+      - name: Set up QEMU (for ARM builds)
         uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
-      - name: Build SDK
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          load: true
-          tags: ${{ env.TEST_TAG }}
-      - name: Test SDK
-        run: bash ./test_sdk.sh ${{ env.TEST_TAG }}
-      - name: Log into Docker Hub
+
+      - name: Login to DockerHub
         uses: docker/login-action@v3
         with:
           username: ${{ github.actor }}
           password: ${{ secrets.DOCKER_HUB_TOKEN }}
-      - name: Extract SDK metadata
-        id: meta
-        uses: docker/metadata-action@v4
+
+      - name: Build Docker image (multi-arch, no push)
+        uses: docker/build-push-action@v6
+        id: build
         with:
-          images: lukstep/raspberry-pi-pico-sdk
-      - name: Push SDK image
-        if: github.event_name == 'release' && github.event.action == 'published'
+          context: .
+          platforms: linux/amd64
+          push: false
+          load: true  # Allows testing the image locally
+          tags: ${{ env.TEST_TAG }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Run Tests (from built image)
+        run: bash ./test_sdk.sh ${{ env.TEST_TAG }}
+
+  push-image:
+    needs: build-and-test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ github.actor }}
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
+
+      - name: Build and Push Docker image (multi-arch)
         uses: docker/build-push-action@v6
         with:
           context: .
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
           platforms: linux/amd64,linux/arm64
+          push: true
+          tags: lukstep/raspberry-pi-pico-sdk:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max