Fix Java sample build issue

There is no arm docker image so only build the Java sample on the
linux/amd64 platform

Signed-off-by: James Taylor <[email protected]>

Author: jt-nti

.github/workflows/docker-build.yml

@@ -3,6 +3,10 @@ name: Docker CI
 on:
   workflow_call:
     inputs:
+      platforms:
+        description: 'List of target platforms for Docker build.'
+        required: true
+        type: string
       image-name:
         description: 'A Docker image name passed from the caller workflow.'
         required: true
@@ -56,7 +60,7 @@ jobs:
       uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6.15.0
       with:
         context: ${{ inputs.path }}
-        platforms: linux/amd64,linux/arm64
+        platforms: ${{ inputs.platforms }}
         push: ${{ github.event_name != 'pull_request' }}
         tags: ${{ steps.meta.outputs.tags }}
         labels: ${{ steps.meta.outputs.labels }}

.github/workflows/go-contract-image.yml

@@ -25,6 +25,7 @@ jobs:
       id-token: write
     uses: ./.github/workflows/docker-build.yml
     with:
+      platforms: linux/amd64,linux/arm64
       image-name: ghcr.io/hyperledger-labs/fabric-builder-k8s/sample-go-contract
       path: samples/go-contract
       chaincode-label: go-contract

.github/workflows/java-contract-image.yml

@@ -25,6 +25,7 @@ jobs:
       id-token: write
     uses: ./.github/workflows/docker-build.yml
     with:
+      platforms: linux/amd64
       image-name: ghcr.io/hyperledger-labs/fabric-builder-k8s/sample-java-contract
       path: samples/java-contract
       chaincode-label: java-contract

.github/workflows/node-contract-image.yml

@@ -25,6 +25,7 @@ jobs:
       id-token: write
     uses: ./.github/workflows/docker-build.yml
     with:
+      platforms: linux/amd64,linux/arm64
       image-name: ghcr.io/hyperledger-labs/fabric-builder-k8s/sample-node-contract
       path: samples/node-contract
       chaincode-label: node-contract

.github/workflows/peer-image.yml

@@ -29,5 +29,6 @@ jobs:
       id-token: write
     uses: ./.github/workflows/docker-build.yml
     with:
+      platforms: linux/amd64,linux/arm64
       image-name: ghcr.io/hyperledger-labs/fabric-builder-k8s/k8s-fabric-peer
       path: .