Use buildx

Author: Evans Aboge (from Dev Box)

.azure-pipelines/ci-build.yml

@@ -379,6 +379,18 @@ extends:
                     # Debug output to verify version variable
                     echo "Version from previous step: $VERSION"
                   displayName: 'Verify version variable'
+
+                - script: |
+                    docker run --privileged --rm tonistiigi/binfmt --install all
+                  displayName: "Enable multi-platform builds"
+
+                - script: |
+                    docker buildx create --use --name mybuilder
+                  displayName: "Set up Docker BuildX"
+
+                - script: |
+                    docker buildx inspect --bootstrap
+                  displayName: "Ensure BuildX is working"
                 
                 - bash: |
                     echo "Build Number: $(Build.BuildNumber)"
@@ -413,27 +425,24 @@ extends:
                     echo "Building Docker image..."
                     echo "Using build date: ${BUILDDATE}"
                     # Using quotes around tags to prevent flag interpretation
-                    docker build \
-                      --platform linux/amd64 \
+                    docker buildx build \
+                      --platform linux/amd64,linux/arm64/v8,linux/arm/v7 \
+                      --push \
                       -t "$(REGISTRY)/$(IMAGE_NAME):nightly" \
                       -t "$(REGISTRY)/$(IMAGE_NAME):${VERSION}.${BUILDDATE}${RUNNUMBER}" \
                       "$(Build.SourcesDirectory)"
-                    
-                    echo "Pushing Docker image with nightly tag..."
-                    docker push "$(REGISTRY)/$(IMAGE_NAME):nightly"
-                    docker push "$(REGISTRY)/$(IMAGE_NAME):${VERSION}.${BUILDDATE}${RUNNUMBER}"
+
                   displayName: 'Build and Push Nightly Image'
                   condition: eq(variables['Build.SourceBranch'], variables['PREVIEW_BRANCH'])
                 
                 - bash: |
                     echo "Building Docker image for release..."
-                    docker build \
+                    docker buildx build \
+                      --platform linux/amd64,linux/arm64/v8,linux/arm/v7 \
+                      --push \
                       -t "$(REGISTRY)/$(IMAGE_NAME):latest" \
                       -t "$(REGISTRY)/$(IMAGE_NAME):${VERSION}.${BUILDDATE}${RUNNUMBER}" \
                       "$(Build.SourcesDirectory)"
-                    
-                    echo "Pushing Docker image with latest and version tags..."
-                    docker push "$(REGISTRY)/$(IMAGE_NAME):latest"
-                    docker push "$(REGISTRY)/$(IMAGE_NAME):${VERSION}.${BUILDDATE}${RUNNUMBER}"
+
                   displayName: 'Build and Push Release Image'
                   condition: contains(variables['Build.SourceBranch'], 'refs/tags/v')