- name: build app on server 1
  shell: bash -lc "cd /root/test-app && sh ./appbuild.sh"
  when: appcontents.stdout == "2"
  delegate_to: c1

$ cat appbuild.sh 
#!/bin/bash
set -e
set -x
#cd /root/test-app && 
npm --prefix /root/test-app install -g typescript && npm --prefix /root/test-app install && CI=false npm --prefix /root/test-app run build && pm2 delete -s test-app || \':\' && pm2 start "serve -s build -p 3000" --name "test-app"