Initial commit

nginx/nginx.conf

@@ -0,0 +1,66 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    # Use Docker's internal DNS resolver with short TTL to handle container IP changes
+    resolver 127.0.0.11 valid=10s ipv6=off;
+
+    # Rate limiting
+    limit_req_zone $binary_remote_addr zone=general:10m rate=10r/s;
+    limit_req_zone $binary_remote_addr zone=auth:10m rate=10r/s;
+
+    server {
+        listen 80;
+        server_name localhost;
+
+        # Security headers
+        add_header X-Frame-Options "SAMEORIGIN" always;
+        add_header X-Content-Type-Options "nosniff" always;
+        add_header X-XSS-Protection "1; mode=block" always;
+        add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+
+        # Frontend — serve static files directly, fall back to index.html for SPA routes
+        root /usr/share/nginx/html;
+        index index.html;
+
+        location / {
+            limit_req zone=general burst=20 nodelay;
+            try_files $uri $uri/ /index.html;
+        }
+
+        # Backend API
+        location /api/ {
+            limit_req zone=general burst=20 nodelay;
+            set $backend_upstream http://backend:3001;
+            proxy_pass $backend_upstream;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_http_version 1.1;
+            proxy_set_header Connection "";
+        }
+
+        # Auth endpoints - stricter rate limiting
+        location /api/auth/ {
+            limit_req zone=auth burst=5 nodelay;
+            set $backend_upstream http://backend:3001;
+            proxy_pass $backend_upstream;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        # Health check
+        location /health {
+            set $backend_upstream http://backend:3001;
+            proxy_pass $backend_upstream/api/health;
+            access_log off;
+        }
+    }
+}