Add boilerplate nginx setup for prod self-hosting

nginx/default.dev.conf

@@ -0,0 +1,32 @@
+server {
+    listen 80;
+    
+    location /api {
+        proxy_set_header X-Real-RIP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        
+        proxy_set_header Host $http_host;
+        proxy_set_header X-NginX-Proxy true;
+
+        proxy_pass http://backend:4000;
+        proxy_redirect off;
+
+        proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
+    }
+    
+    location / {
+        include /etc/nginx/mime.types;
+        
+        proxy_set_header X-Real-RIP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        
+        proxy_set_header Host $http_host;
+        proxy_set_header X-NginX-Proxy true;
+        
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+
+        proxy_pass http://frontend:3000;
+        proxy_redirect off;
+    }
+}