Ansible playbook to set up a new ghost blog and update the versions

ghost-blog-ansible-playbook.yaml

# BEFORE UPDATING, export data from https://YOUR_BLOG/ghost/#/settings/labs

# (PLACEHOLDERS are defined in CAPS_LOCK - replace them with values which make sense to you.)

---
- hosts: HOSTS
  vars:
    ghost_version: "2.0.3"
    ghost_image: "ghost:{{ ghost_version }}-alpine"
    ghost_root: "/docker/mounts/GHOST_BLOG"
    archive_root: "/home/USER/archives/GHOST_BLOG"
  tasks:
  - name: Create ghost root folder folder
    file:
      path: "{{ ghost_root }}"
      state: directory
      owner: USER
      group: USER

  - name: Create archive folder
    file:
      path: "{{ archive_root }}"
      state: directory
      owner: USER
      group: USER

  - name: Backup ghost root folder
    command: cp -r "{{ ghost_root }}" "{{ archive_root }}/ghost_backup_{{ '%Y-%m-%dT%H%M%S' | strftime }}"

  - name: pull latest image
    docker_image:
      name: "{{ ghost_image }}"

  - name: start ghost blog
    docker_container:
      name: GHOST_BLOG
      image: "{{ ghost_image }}"
      state: started
      restart: yes
      restart_policy: always
      ports:
      - "127.0.0.1:2370:2368"
      volumes:
      - "{{ ghost_root }}:/var/lib/ghost/content"
      env:
        url: https://YOUR_BLOG
        NODE_ENV: production

# This is needed if you want to have an nginx reverse proxy for your blog.

  - name: upload nginx configuration
    copy:
      src: ./nginx/GHOST_BLOG
      dest: /etc/nginx/sites-enabled/GHOST_BLOG
    become: true

  - name: reload nginx service
    service: name=nginx state=reloaded
    become: true