Add nginx to servers

config/server.nix

@@ -1,2 +1,6 @@
 # Configuration unique to servers
-{ ... }: { }
+{ ... }: {
+  imports = [
+    ./services/nginx.nix
+  ];
+}

config/services/haproxy.nix

@@ -1,2 +0,0 @@
-# Mostly future-proofing, but also for the transition to this infra
-{ ... }: { }

config/services/nginx.nix

@@ -0,0 +1,27 @@
+{ pkgs, ... }: {
+  services.nginx = {
+    additionalModules = [ pkgs.nginxModules.brotli ];
+    clientMaxBodySize = "100m";
+    enable = true;
+    httpConfig = ''
+      brotli on;
+      brotli_types
+                application/atom+xml
+                application/javascript
+                application/json
+                application/xml
+                application/xml+rss
+                image/svg+xml
+                text/css
+                text/javascript
+                text/plain
+                text/xml;
+    '';
+    package = pkgs.nginxQuic;
+    recommendedGzipSettings = true;
+    recommendedOptimisation = true;
+    recommendedProxySettings = true;
+    resolver.addresses = [ "127.0.0.1" "[::1]" ];
+    sslProtocols = "TLSv1.3";
+  };
+}