This Utility will help to apply Tags (from json file) into an ARM Template (json file(s))
to get started run
dotnet build AzureARMTaggerC#/AzureARMTagger.csproj
dotnet run Azure ARMTaggerC#/AzureARMTagger.csproj "FILE_TEMPLATE_PATH" "FILE_TAGS_PATH"
or...
node -e 'require("./tagger.js")("FILE_TEMPLATE_PATH", "FILE_TAGS_PATH")'
or use docker...
docker build . -t nemcrunchers/azure-arm-tagger
docker run -v :/app/volume -e pathToTemplateFile=dir -e pathToTagFile=tags.json -it nemcrunchers/azure-arm-tagger