Fix GitHub Actions workflow: remove invalid github context from inputs, add Docker caching, and cleanup old packages

.github/workflows/build-opencode-cli-docker.yml

@@ -14,7 +14,6 @@ on:
       image_name:
         description: "Docker image name (including registry if desired)"
         required: false
-        default: "ghcr.io/${{ github.repository_owner }}/shopify-ai-builder"
       push_image:
         description: "Push the image to the registry"
         type: boolean
@@ -23,6 +22,7 @@ on:
 permissions:
   contents: read
   packages: write
+  actions: read
 
 jobs:
   build-cli:
@@ -84,6 +84,18 @@ jobs:
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+        with:
+          driver-opts: |
+            image=moby/buildkit:latest
+          buildkitd-flags: --debug
+
+      - name: Cache Docker layers
+        uses: actions/cache@v4
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
 
       - name: Login to GHCR
         if: ${{ env.PUSH_IMAGE == 'true' }}
@@ -98,16 +110,62 @@ jobs:
         run: |
           docker buildx build \
             --platform linux/amd64,linux/arm64 \
+            --cache-from type=local,src=/tmp/.buildx-cache \
+            --cache-to type=local,dest=/tmp/.buildx-cache-new,mode=max \
             -t "$IMAGE_NAME" \
             --push \
             .
 
+      - name: Move cache
+        if: ${{ env.PUSH_IMAGE == 'true' }}
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
+
       - name: Build image (amd64) and verify CLI
         if: ${{ env.PUSH_IMAGE != 'true' }}
         run: |
           docker buildx build \
             --platform linux/amd64 \
+            --cache-from type=local,src=/tmp/.buildx-cache \
+            --cache-to type=local,dest=/tmp/.buildx-cache-new,mode=max \
             -t "$IMAGE_NAME" \
             --load \
             .
           docker run --rm "$IMAGE_NAME" opencode --version
+
+      - name: Move cache
+        if: ${{ env.PUSH_IMAGE != 'true' }}
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
+
+      - name: Cleanup old package versions
+        if: ${{ env.PUSH_IMAGE == 'true' && github.event_name == 'push' }}
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const packageName = 'shopify-ai-builder';
+            const packageType = 'container';
+            
+            // List all versions of the package
+            const { data: versions } = await github.rest.packages.getAllPackageVersionsForPackageOwnedByOrg({
+              package_type: packageType,
+              package_name: packageName,
+              org: context.repo.owner,
+              per_page: 100
+            });
+            
+            // Keep only the most recent version, delete the rest
+            if (versions.length > 1) {
+              const versionsToDelete = versions.slice(1);
+              for (const version of versionsToDelete) {
+                await github.rest.packages.deletePackageVersionForOrg({
+                  package_type: packageType,
+                  package_name: packageName,
+                  org: context.repo.owner,
+                  package_version_id: version.id
+                });
+                console.log(`Deleted package version ${version.id}`);
+              }
+            }