feat: Complete deployment setup for code pushes

- Add pre-flight checks in deploy-update.yml
- Automatically copy docker-compose.yml and nginx config in setup-infrastructure.yml
- Add comprehensive deployment documentation
- Ready for automated code deployments via CI/CD pipeline

deployment/ansible/playbooks/setup-infrastructure.yml

@@ -279,6 +279,38 @@
         state: directory
         mode: '0755'
 
+    - name: Check if application stack docker-compose.yml exists locally
+      stat:
+        path: "{{ playbook_dir }}/../../stacks/application/docker-compose.yml"
+      register: app_compose_local
+      delegate_to: localhost
+      become: no
+
+    - name: Copy application stack docker-compose.yml to server
+      copy:
+        src: "{{ playbook_dir }}/../../stacks/application/docker-compose.yml"
+        dest: "{{ stacks_base_path }}/application/docker-compose.yml"
+        owner: "{{ ansible_user }}"
+        group: "{{ ansible_user }}"
+        mode: '0644'
+      when: app_compose_local.stat.exists
+
+    - name: Check if application stack nginx directory exists locally
+      stat:
+        path: "{{ playbook_dir }}/../../stacks/application/nginx/"
+      register: app_nginx_local
+      delegate_to: localhost
+      become: no
+
+    - name: Copy application stack nginx configuration to server
+      copy:
+        src: "{{ playbook_dir }}/../../stacks/application/nginx/"
+        dest: "{{ stacks_base_path }}/application/nginx/"
+        owner: "{{ ansible_user }}"
+        group: "{{ ansible_user }}"
+        mode: '0644'
+      when: app_nginx_local.stat.exists
+
     - name: Create application stack .env file
       template:
         src: "{{ playbook_dir }}/../templates/application.env.j2"