Merge pull request #5 from Jarli01/dp-fixbuild

Update yarn commands

xo_install.sh

@@ -33,11 +33,13 @@ sudo /usr/bin/apt-get install --yes build-essential redis-server libpng-dev git
 /usr/bin/git clone -b $xo_branch $xo_server
 /usr/bin/git clone -b $xo_branch $xo_web
 cd $xo_server_dir
-/usr/bin/yarn install --force
+/usr/bin/yarn 
+/usr/bin/yarn build
 sudo cp sample.config.yaml .xo-server.yaml
 sudo sed -i "s|#'/': '/path/to/xo-web/dist/'|'/': '/opt/xo-web/dist'|" .xo-server.yaml
 cd $xo_web_dir
-/usr/bin/yarn install --force
+/usr/bin/yarn 
+/usr/bin/yarn build
 
 if [[ ! -e $systemd_service_dir/$xo_service ]] ; then