Implement a role for deploying Caddy

roles/caddy/molecule/default/converge.yml

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+---
+- name: Converge
+  hosts: all
+  roles:
+    - role: genlab.common.caddy
+      caddy_src_conf_path: "files/Caddyfile"
+      caddy_dest_conf_path: "/etc/caddy/Caddyfile"
+      caddy_version: "2.11.3"
+      caddy_limit_nofile: 1048576

roles/caddy/molecule/default/files/Caddyfile

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+:8080 {
+	respond "caddy-ok" 200
+}

roles/caddy/molecule/default/molecule.yml

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+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+platforms:
+  - name: ubuntu
+    image: geerlingguy/docker-ubuntu2404-ansible:latest
+    pre_build_image: true
+    command: ${MOLECULE_DOCKER_COMMAND:-""}
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:rw
+    cgroupns_mode: host
+    privileged: true
+provisioner:
+  name: ansible
+  playbooks:
+    converge: converge.yml
+verifier:
+  name: ansible
+lint: |
+  set -e
+  yamllint .
+  ansible-lint .

roles/caddy/molecule/default/verify.yml

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+---
+- name: Verify
+  hosts: all
+  gather_facts: false
+  pre_tasks:
+    # https://github.com/ansible/molecule/issues/3587#issuecomment-1158650179
+    - name: "Include default vars"
+      ansible.builtin.include_vars:
+        dir: "{{ lookup('env', 'MOLECULE_PROJECT_DIRECTORY') }}/defaults/"
+        extensions: ['yml']
+
+  tasks:
+    - name: "Wait for Caddy to start and listen on the configured port"
+      ansible.builtin.wait_for:
+        port: 8080
+        delay: 2
+        timeout: 10
+
+    # kics-scan ignore-block - kics doesn't like HTTP but on localhost it's not important
+    - name: "Get the Caddy daemon response"
+      retries: 3
+      delay: 1
+      register: caddy_response
+      ansible.builtin.uri:
+        url: "http://localhost:8080"
+        return_content: true
+
+    - name: "Assert Caddy is responding corectly"
+      ansible.builtin.assert:
+        that:
+          - caddy_response.status == 200
+          - "caddy_response.content == 'caddy-ok'"
+        success_msg: "OK: HTTP {{ caddy_response.status }}, '{{ caddy_response.content }}'"
+        fail_msg: "FAIL: HTTP {{ caddy_response.status }}, '{{ caddy_response.content }}'"