feat(ansible): add semaphore docker splash demo with dagster config

ansible-semaphore-docker-demo/deploy.yml

@@ -0,0 +1,44 @@
+---
+- name: Deploy Docker splash app via Nginx
+  hosts: webservers
+  become: yes
+
+  vars_files:
+    - group_vars/all.yml
+    - group_vars/secrets.yml
+
+  pre_tasks:
+    - name: Installa pacchetti necessari (Debian/Ubuntu)
+      ansible.builtin.apt:
+        name:
+          - docker.io
+          - python3-docker
+        state: present
+        update_cache: yes
+      when: ansible_os_family == 'Debian'
+
+    - name: Avvia e abilita Docker
+      ansible.builtin.service:
+        name: docker
+        state: started
+        enabled: yes
+
+  roles:
+    - role: splash
+
+  post_tasks:
+    - name: Verifica endpoint health
+      ansible.builtin.uri:
+        url: "http://localhost:{{ app_port }}/health"
+        status_code: 200
+      register: healthcheck
+      retries: 10
+      delay: 2
+      until: healthcheck.status == 200
+
+    - name: Output finale
+      ansible.builtin.debug:
+        msg:
+          - "Deploy completato"
+          - "URL: http://{{ ansible_host }}:{{ app_port }}"
+          - "Container: {{ container_name }}"