diff --git a/docs/installation.md b/docs/installation.md
index 570e9a099e015bf50c56c4b8ebae23dbb66b5a79..4caccc4ccd1b48d31c1307c4fedc359f8ed97601 100755
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -8,6 +8,8 @@ Installation with Docker
 
 With the Docker installation, you have all the required softwares installed in two containers (`gogocarto` and `mongo`).
 
+* Assuming user is `gogocarto`, Add user in group docker : `# /usr/sbin/usermod -aG docker gogocarto`
+
 * Run `make docker-build` to build the container images.
 
 * Run `make up` to launch the containers.
diff --git a/web/uploads/.gitkeep b/web/uploads/.gitkeep
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