added OCI metadata labels for fabric-x-tools Docker image (#41)

Signed-off-by: Anushka <anush159@in.ibm.com>
Signed-off-by: pco <pasquale.convertini@ibm.com>
Signed-off-by: anushka159-a <anush159@in.ibm.com>
Co-authored-by: pco <pasquale.convertini@ibm.com>

Author: anushka159-a

.github/workflows/build-image.yml

@@ -53,8 +53,10 @@ jobs:
             exit 1
           fi
 
-      - name: Set image prefix
+      - name: Set image build prefix and metadata
         run: |
+          echo "CREATED=$(date -u +%Y-%m-%dT%H:%M:%SZ)" >> $GITHUB_ENV
+          echo "REVISION=$(git rev-parse HEAD)" >> $GITHUB_ENV        
           if [ "$GITHUB_REPOSITORY_OWNER" == "hyperledger" ]; then
            echo "IMAGE_PREFIX=hyperledger" >> $GITHUB_ENV
           else
@@ -70,6 +72,8 @@ jobs:
           push: true
           build-args: |
             VERSION=${{ env.VERSION }}
+            CREATED=${{ env.CREATED }}
+            REVISION=${{ env.REVISION }}
           tags: |
             docker.io/${{ env.IMAGE_PREFIX }}/fabric-x-tools:${{ env.VERSION }}
             docker.io/${{ env.IMAGE_PREFIX }}/fabric-x-tools:latest

Dockerfile

@@ -38,6 +38,8 @@ RUN mkdir -p /tmp/bin && \
 FROM registry.access.redhat.com/ubi9/ubi-minimal:9.6 AS prod
 
 ARG VERSION=1.0
+ARG CREATED
+ARG REVISION=1.0
 
 # Add non-root user (UID 10001) without installing extra packages
 RUN /usr/sbin/useradd -u 10001 -r -g root -s /sbin/nologin \
@@ -50,12 +52,15 @@ RUN /usr/sbin/useradd -u 10001 -r -g root -s /sbin/nologin \
 COPY --from=builder /tmp/bin/* /usr/local/bin/
 
 # OCI metadata labels
-LABEL name="fabric-x-tools" \
-    maintainer="IBM Research Decentralized Trust Group" \
-    version="${VERSION}" \
-    description="Fabric-X CLI tools (configtxgen, cryptogen, configtxlator, fxconfig) packaged in a UBI image" \
-    license="Apache-2.0" \
-    vendor="IBM"
+LABEL org.opencontainers.image.created="${CREATED}" \
+    org.opencontainers.image.description="Fabric-X CLI tools (configtxgen, cryptogen, configtxlator, fxconfig) packaged in a UBI image." \
+    org.opencontainers.image.licenses="Apache-2.0" \
+    org.opencontainers.image.ref.name="ubi9/ubi-minimal" \
+    org.opencontainers.image.revision="${REVISION}" \
+    org.opencontainers.image.source="https://github.com/hyperledger/fabric-x" \
+    org.opencontainers.image.title="fabric-x" \
+    org.opencontainers.image.url="https://github.com/hyperledger/fabric-x" \
+    org.opencontainers.image.version="${VERSION}"
 
 # Use non-root user
 USER 10001