REFACTOR: Documentation for some Flask routes & nginx.conf

nginx/nginx.conf

@@ -96,7 +96,8 @@ http {
         ## VoDs Location and thumbnails
         ## Contains MP4 files and PNG thumbnails
         location ~ ^/vods/(.+)/(.+\.(mp4|png))$ {
-             alias /user_data/vods/$1/$2;
+            alias /user_data/vods/$1/$2
+            # where $1 is the user's username and $2 is the thumbnail_name
 
              # The thumbnails should not be cacheable
              expires -1d;
@@ -105,6 +106,7 @@ http {
         ## Profile pictures location
         location ~ ^/user/(.+)/index.png$ {
             alias /user_data/profile_pictures/$1.png;
+            # where $1 is the user's username
 
             # The profile pictures should not be cacheable
             expires -1d;