diff --git a/conf/app.src b/conf/app.src
new file mode 100644
index 0000000..ed3d93d
--- /dev/null
+++ b/conf/app.src
@@ -0,0 +1,6 @@
+SOURCE_URL=https://github.com/duniter/cesium/releases/download/v1.3.11/cesium-v1.3.11-web.zip
+SOURCE_SUM=
+SOURCE_SUM_PRG=
+SOURCE_FORMAT=zip
+SOURCE_IN_SUBDIR=false
+SOURCE_FILENAME=