Use regular version of nginx on Arch

`nginx-mainline` requires modules be recompiled each time, and isn't handled automatically. It's still a very new and maintained release.

ansible/files/nginx-docker.conf

@@ -1,9 +1,8 @@
 # {{ ansible_managed }}
 
 server {
-    listen 443 ssl;
-    listen [::]:443 ssl;
-    http2 on;
+    listen 443 ssl http2;
+    listen [::]:443 ssl http2;
 
     server_name {{ server_name }};
     set $upstream {{ upstream }};

ansible/roles/gateway/files/nginx-cdn.conf

@@ -4,8 +4,7 @@ proxy_cache_path /var/lib/nginx/cache levels=1:2 keys_zone=cdncache:20m max_size
 
 {% for domain in cdn_domains %}
 server {
-    listen 8800 ssl proxy_protocol;
-    http2 on;
+    listen 8800 ssl http2 proxy_protocol;
 
     server_name {{ domain }};
 

ansible/roles/headscale/files/nginx.conf

@@ -3,8 +3,7 @@
 limit_req_zone $binary_remote_addr zone=headscale:10m rate=1r/m;
 
 server {
-    listen 8888 ssl proxy_protocol;
-    http2 on;
+    listen 8888 ssl http2 proxy_protocol;
 
     server_name headscale.jakehoward.tech;
 

ansible/roles/nginx/tasks/main.yml

@@ -1,6 +1,6 @@
 - name: Install nginx
   package:
-    name: "{{ 'nginx-mainline' if ansible_os_family == 'Archlinux' else 'nginx' }}"
+    name: nginx
   become: true
 
 - name: Install nginx modules
@@ -17,8 +17,8 @@
   kewlfft.aur.aur:
     name: "{{ item }}"
   loop:
-    - nginx-mainline-mod-headers-more
-    - nginx-mainline-mod-brotli
+    - nginx-mod-headers-more
+    - nginx-mod-brotli
   when: ansible_os_family == 'Archlinux'
   become: true