Install npm packages in dev only.

install.sh

@@ -19,9 +19,6 @@ fi
 echo "Installation OPAM Packages ..."
 bash script/install-opam-packages.sh
 
-echo "Installing Web Application Packages ..."
-bash script/install-web.sh
-
 echo "Installing Python Requirements ..."
 python3.7 $(which pip3) install -r requirements.txt
 
@@ -35,6 +32,9 @@ if [ $mode == "dev" ]; then
 
     echo "Copy configuration to './configuration/engine.ini'"
     cp -n configuration/sample-development.engine.ini configuration/engine.ini
+
+    echo "Installing Web Application Packages ..."
+    bash script/install-web.sh
 fi