Add platform

Author: Evans Aboge (from Dev Box)

.azure-pipelines/ci-build.yml

@@ -330,7 +330,7 @@ extends:
                 os: linux
               steps:
                 - checkout: self
-                
+
                 - task: AzureCLI@2
                   displayName: 'Login to Azure Container Registry'
                   inputs:
@@ -414,6 +414,7 @@ extends:
                     echo "Using build date: ${BUILDDATE}"
                     # Using quotes around tags to prevent flag interpretation
                     docker build \
+                      --platform linux/amd64 \
                       -t "$(REGISTRY)/$(IMAGE_NAME):nightly" \
                       -t "$(REGISTRY)/$(IMAGE_NAME):${VERSION}.${BUILDDATE}${RUNNUMBER}" \
                       "$(Build.SourcesDirectory)"