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---
- hosts: all
  remote_user: ubuntu
  vars:
   app_repo: git@bitbucket.org:****/****.git
   app_id: my_app
   app_folder: /home/ubuntu/my_app
   log_folder: /home/ubuntu/my_app_logs
  tasks:
  - name: git clone
    git: repo={{app_repo}} dest={{app_folder}} accept_hostkey=yes force=yes
    register: app_updated

  - name: npm install  
    when: app_updated|changed
    npm: path={{app_folder}}

  - name: "Restart app"
    sudo: yes
    when: app_updated|changed
    command: forever --uid "{{app_id}}" -al {{log_folder}}/forever.log restart {{app_folder}}/app.js --prod