## 1. Add nginx installation to trojan role

- [x] 1.1 Add task to install nginx package in `roles/trojan/tasks/main.yml`
- [x] 1.2 Create nginx fallback config template `roles/trojan/templates/nginx-fallback.conf.j2`
- [x] 1.3 Add task to deploy the nginx config and enable/start nginx

## 2. Open fallback port in firewall

- [x] 2.1 Add `trojan_fallback_port` to `allowed_ports` in `group_vars/landing.yml.example`

## 3. Verify

- [x] 3.1 Run `ansible-playbook site.yml --check --limit landing-server` to verify playbook parses without errors