gistfile1.yml

---
- hosts: website
  vars:
    version: 0.4.1
    root: /opt/ghost
    temp_zip_file: /opt/ghost-new.zip
  tasks:
    - name: fetch
      get_url: "dest={{temp_zip_file}} url=https://ghost.org/zip/ghost-{{version}}.zip"
    - name: remove old core
      file: "path={{root}}/core state=absent"
    - name: unzip
      command: "unzip {{temp_zip_file}} -od {{root}}"
    - name: install npm dependencies
      npm: "path={{root}} production=yes"
    - name: restart service
      service: name=ghost state=restarted