diff --git a/conf/app.src b/conf/app.src
new file mode 100644
index 0000000..cc2d6c7
--- /dev/null
+++ b/conf/app.src
@@ -0,0 +1,2 @@
+SOURCE_URL=url of app's source
+SOURCE_SUM=md5 or sha1 checksum
diff --git a/sources/README.md b/sources/README.md
deleted file mode 100644
index bd2bfad..0000000
--- a/sources/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-Place the sources of the webapp in this folder.
-
-This file can be removed.