diff --git a/Dockerfile b/Dockerfile
index 005f30cf..844c0529 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -60,4 +60,4 @@ RUN chmod 777 /var/www/fic-server/onyx/cache/ /var/www/fic-server/onyx/cache/tem
 
 EXPOSE     80/tcp 443/tcp
 VOLUME	   ["/var/www/fic-server/out","/var/www/fic-server/files","/var/www/fic-server/submissions"]
-CMD ["sh", "-c", "chown -R www-data:www-data /var/www/fic-server/misc /var/www/fic-server/submission; cd /var/www/fic-server/misc; if ! [ -f server.crt ]; then bash ./CA.sh -newserver; fi; service nginx start && service php5-fpm start && service mysql start && mkdir files && ../gen_hash_link_files.sh ../files-in ../files && (../launch_local.sh &); /bin/bash"]
+CMD ["sh", "-c", "chown -R www-data:www-data /var/www/fic-server/misc /var/www/fic-server/submission; cd /var/www/fic-server/misc; if ! [ -f server.crt ]; then bash ./CA.sh -newserver; fi; service nginx start && service php5-fpm start && service mysql start && mkdir files && ../gen_hash_link_files.sh --copy ../files-in ../files && (../launch_local.sh &); /bin/bash"]
diff --git a/gen_hash_link_files.sh b/gen_hash_link_files.sh
index 1711fe60..5daba142 100755
--- a/gen_hash_link_files.sh
+++ b/gen_hash_link_files.sh
@@ -6,6 +6,18 @@ then
     exit 1
 fi
 
+if [ "$1" = "--hard" ]
+then
+    LN="ln"
+    shift
+elif [ "$1" = "--copy" ]
+then
+    LN="cp"
+    shift
+else
+    LN="ln -s"
+fi
+
 FROM=`realpath $1`; shift
 TO=`realpath $1`; shift
 
@@ -28,5 +40,5 @@ do
     HASH=`echo -n $FILE | sha384sum | cut -d " " -f 1`
 
     mkdir -p "$TO/$HASH/"
-    ln -s "$i" "$TO/$HASH/"
+    $LN "$i" "$TO/$HASH/"
 done