install-caddy.yaml

---
- name: Install Caddy web server
  hosts: maven-servers
  become: true

  handlers:
    - name: restart_caddy
      service:
        name: caddy
        state: restarted

  tasks:
    # From https://peterbabic.dev/blog/how-to-install-caddy-using-ansible/
    - name: Install required packages
      apt:
        update_cache: yes
        name:
          - debian-keyring
          - debian-archive-keyring
          - apt-transport-https
        state: present

    - name: Add Cloudsmith repository
      apt_key:
        url: "https://dl.cloudsmith.io/public/caddy/stable/gpg.key"
        state: present

    - name: Add Caddy repository to sources list
      apt_repository:
        repo:
          "deb https://dl.cloudsmith.io/public/caddy/stable/deb/debian
          any-version main"
        state: present
        filename: caddy-stable

    - name: Add Caddy src repository to sources list
      apt_repository:
        repo:
          "deb-src https://dl.cloudsmith.io/public/caddy/stable/deb/debian
          any-version main"
        state: present
        filename: caddy-stable

    - name: Install Caddy
      apt:
        update_cache: yes
        name: caddy
        state: present

    # Handler -should- trigger a service reload here
    - name: Copy caddyfile over
      copy:
        src: files/caddy/Caddyfile
        dest: /etc/caddy/Caddyfile
        owner: root
        mode: 0755
      notify:
        - restart_caddy

    - name: Ensure /var/www/html is owned by ghactions
      ansible.builtin.file:
        path: /var/www/html
        owner: ghactions
        recurse: yes