feat: add Redis caching for follower counts, implement fetch timeouts, enable Nginx gzip compression, and refactor icon management.

nginx.conf

@@ -9,15 +9,41 @@ http {
     error_log /dev/stderr warn;
     access_log /dev/stdout;
 
+    # Gzip compression
+    gzip on;
+    gzip_vary on;
+    gzip_proxied any;
+    gzip_comp_level 6;
+    gzip_min_length 256;
+    gzip_types
+        text/plain
+        text/css
+        text/xml
+        text/javascript
+        application/javascript
+        application/json
+        application/xml
+        application/rss+xml
+        image/svg+xml;
+
     # Define rate limit zone: 10MB memory, 5 requests per second per IP
     limit_req_zone $binary_remote_addr zone=ratelimit:10m rate=5r/s;
 
     server {
-        listen 80;
+        listen 8606;
 
         # Bypass rate limit for static assets and Next.js internal files
+        location /_next/static/ {
+            proxy_pass http://127.0.0.1:3000;
+            proxy_http_version 1.1;
+            proxy_set_header Host $host;
+
+            # Cache static assets for 1 year (they have hashed filenames)
+            add_header Cache-Control "public, max-age=31536000, immutable";
+        }
+
         location /_next/ {
-            proxy_pass http://erika:3000;
+            proxy_pass http://127.0.0.1:3000;
             proxy_http_version 1.1;
             proxy_set_header Upgrade $http_upgrade;
             proxy_set_header Connection "upgrade";
@@ -30,7 +56,7 @@ http {
             limit_req zone=ratelimit burst=30 nodelay;
             
             # Proxy to the Next.js app
-            proxy_pass http://erika:3000;
+            proxy_pass http://127.0.0.1:3000;
             
             # Next.js often requires HTTP/1.1
             proxy_http_version 1.1;