Only minifies playground in production mode

docker/backend/src/backend/api/webserver.cr

@@ -7,7 +7,15 @@ module Backend
     class WebServer
       include Router
 
-      GRAPHQL_PLAYGROUND = {{ run("./macros/minify_html.cr", read_file("#{__DIR__}/playground.html")).stringify }}
+      GRAPHQL_PLAYGROUND = {{ flag?(:development) ? read_file("#{__DIR__}/playground.html") : run("./macros/minify_html.cr", read_file("#{__DIR__}/playground.html")).stringify }}
+
+      struct GraphQLQueryData
+        include JSON::Serializable
+
+        property query : String
+        property variables : Hash(String, JSON::Any)?
+        property operation_name : String?
+      end
 
       def draw_routes : Nil
         # enable graphql playground when in development mode or explicitly enabled
@@ -16,7 +24,7 @@ module Backend
 
           get "/" do |context|
             context.response.content_type = "text/html"
-            context.response.print(GRAPHQL_PLAYGROUND)
+            context.response.puts(GRAPHQL_PLAYGROUND)
 
             context
           end
@@ -53,14 +61,6 @@ module Backend
         server.bind_tcp("0.0.0.0", 80, true)
         server.listen
       end
-
-      private struct GraphQLQueryData
-        include JSON::Serializable
-
-        property query : String
-        property variables : Hash(String, JSON::Any)?
-        property operation_name : String?
-      end
     end
   end
 end