Add nginx role and playbook for App1 deployment

- Complete nginx role with official repository setup
- Configuration placed in conf.d/ for proper inclusion
- Working stub_status endpoints (/status, /nginx_status)
- Custom HTML template with monitoring information
- Cleanup of default Nginx configurations
- Ready for deployment on App1 (192.168.0.110)

roles/nginx/tasks/main.yml

@@ -0,0 +1,113 @@
+---
+# Установка и настройка Nginx - финальная версия
+- name: Install prerequisites
+  apt:
+    name: 
+      - curl
+      - wget
+      - software-properties-common
+      - ca-certificates
+      - gnupg2
+    state: present
+    update_cache: yes
+  tags: nginx
+
+- name: Create keyrings directory
+  file:
+    path: /etc/apt/keyrings
+    state: directory
+    mode: '0755'
+  tags: nginx
+
+- name: Download and add Nginx GPG key
+  shell: |
+    curl -fsSL https://nginx.org/keys/nginx_signing.key | gpg --dearmor -o /etc/apt/keyrings/nginx.gpg
+    chmod 644 /etc/apt/keyrings/nginx.gpg
+  args:
+    creates: /etc/apt/keyrings/nginx.gpg
+  tags: nginx
+
+- name: Add Nginx repository
+  apt_repository:
+    repo: "deb [signed-by=/etc/apt/keyrings/nginx.gpg] http://nginx.org/packages/ubuntu {{ ansible_distribution_release }} nginx"
+    state: present
+    filename: nginx-official
+    update_cache: yes
+  tags: nginx
+
+- name: Install Nginx
+  apt:
+    name: nginx
+    state: latest
+    update_cache: yes
+  tags: nginx
+
+- name: Create custom web directory
+  file:
+    path: /var/www/app1
+    state: directory
+    owner: www-data
+    group: www-data
+    mode: '0755'
+  tags: nginx
+
+- name: Deploy test index.html
+  template:
+    src: index.html.j2
+    dest: /var/www/app1/index.html
+    owner: www-data
+    group: www-data
+    mode: '0644'
+  tags: nginx
+
+- name: Remove default Nginx configurations
+  file:
+    path: "{{ item }}"
+    state: absent
+  loop:
+    - /etc/nginx/conf.d/default.conf
+    - /etc/nginx/conf.d/default.conf.backup
+    - /etc/nginx/sites-enabled/default
+  tags: nginx
+  notify: reload nginx
+
+- name: Deploy Nginx configuration for app1 in conf.d
+  template:
+    src: app1.conf.j2
+    dest: /etc/nginx/conf.d/app1.conf
+    owner: root
+    group: root
+    mode: '0644'
+  tags: nginx
+  notify: reload nginx
+
+- name: Remove old sites-available config if exists
+  file:
+    path: /etc/nginx/sites-available/app1
+    state: absent
+  tags: nginx
+
+- name: Remove old sites-enabled symlink if exists
+  file:
+    path: /etc/nginx/sites-enabled/app1
+    state: absent
+  tags: nginx
+
+- name: Test Nginx configuration
+  command: nginx -t
+  register: nginx_test
+  changed_when: false
+  tags: nginx
+
+- name: Display Nginx test result
+  debug:
+    msg: "{{ nginx_test.stdout_lines }}"
+  tags: nginx
+
+- name: Enable and start Nginx service
+  systemd:
+    name: nginx
+    state: started
+    enabled: yes
+    daemon_reload: yes
+  tags: nginx