wrap mdtranslator in try/except; derive new relic license key from env

app/controllers/translates_controller.rb

@@ -9,15 +9,20 @@ def create
     reader_name = params[:reader]
     writer_name = params[:writer]
 
-    @md_return =
-      ADIWG::Mdtranslator.translate(
-        file: file_obj,
-        reader: reader_name,
-        writer: writer_name
-      )
-
     logger = Logger.new($stdout)
 
+    begin
+      @md_return =
+        ADIWG::Mdtranslator.translate(
+          file: file_obj,
+          reader: reader_name,
+          writer: writer_name
+        )
+    rescue StandardError => e
+      logger.error(e.message)
+      render json: {}, status: :internal_server_error
+    end
+
     @md_return[:readerStructureMessages].each do |m|
       logger.warn(m) if m.include? 'WARNING'
       logger.info(m) if m.include? 'INFO'

config/newrelic.yml

@@ -10,7 +10,7 @@
 
 common: &default_settings
   # Required license key associated with your New Relic account.
-  license_key: ""
+  license_key: <%= ENV['NEW_RELIC_LICENSE_KEY'] %>
 
   # Your application name. Renaming here affects where data displays in New
   # Relic. For more details, see https://docs.newrelic.com/docs/apm/new-relic-apm/maintenance/renaming-applications