nginx.conf

server {
    listen 80;
    listen [::]:80;
    server_name localhost;
    
    root /usr/share/nginx/html;
    index index.html;
    
    # Enable gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_proxied expired no-cache no-store private auth;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        application/javascript
        application/xml+rss
        application/json;
    
    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;
    
    # Cache static assets
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }
    
    # Handle all routes - SPA fallback
    location / {
        try_files $uri $uri/ /index.html;
    }
    
    # Handle API routes (if any)
    location /api {
        try_files $uri $uri/ =404;
    }
    
    # Handle assets directory
    location /assets/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }
    
    # Handle images
    location /images/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }
    
    # Handle 404 errors
    error_page 404 /404.html;
    location = /404.html {
        internal;
    }
}