ivanch.me/nginx.conf

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
    use epoll;
}

http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for"';

    access_log /var/log/nginx/access.log main;

    # Performance optimizations
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    keepalive_requests 100;
    types_hash_max_size 2048;
    client_max_body_size 20M;

    # Buffers & Timeouts tuning
    client_body_buffer_size 16k;
    client_header_buffer_size 1k;
    large_client_header_buffers 4 8k;
    client_body_timeout 12s;
    client_header_timeout 12s;
    send_timeout 10s;

    # Open File Cache
    open_file_cache max=1000 inactive=20s;
    open_file_cache_valid 30s;
    open_file_cache_min_uses 2;
    open_file_cache_errors on;

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        application/json
        application/javascript
        application/x-javascript
        application/xml+rss
        image/svg+xml
        image/x-icon
        application/wasm
        font/woff
        font/woff2
        application/vnd.ms-fontobject
        application/x-font-ttf;
    gzip_min_length 256;
    gzip_disable "msie6";

    # Security headers (Global default)
    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;
    add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'; frame-ancestors 'self';" always;
    add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=()" always;

    # HTTP (port 80) Server Block
    server {
        listen 80;
        listen [::]:80;
        server_name localhost ivanch.me www.ivanch.me;
        root /usr/share/nginx/html;
        index index.html;

        # Charset
        charset utf-8;

        # Custom error pages
        error_page 404 /404.html;
        error_page 500 502 503 504 /50x.html;

        # Main location
        location / {
            try_files $uri $uri/ =404;
        }

        # Cache static assets & redeclare security headers to bypass Nginx header override gotcha
        location ~* \.(jpg|jpeg|png|gif|ico|svg|webp)$ {
            expires 1y;
            add_header Cache-Control "public, immutable";
            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;
            add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'; frame-ancestors 'self';" always;
            add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=()" always;
            access_log off;
        }

        location ~* \.(css|js)$ {
            expires 1y;
            add_header Cache-Control "public, immutable";
            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;
            add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'; frame-ancestors 'self';" always;
            add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=()" always;
            access_log off;
        }

        location ~* \.(woff|woff2|ttf|otf|eot)$ {
            expires 1y;
            add_header Cache-Control "public, immutable";
            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;
            add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'; frame-ancestors 'self';" always;
            add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=()" always;
            access_log off;
        }

        # HTML files - shorter cache
        location ~* \.html$ {
            expires 1h;
            add_header Cache-Control "public, must-revalidate";
            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;
            add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'; frame-ancestors 'self';" always;
            add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), payment=()" always;
        }

        # Deny access to hidden files
        location ~ /\. {
            deny all;
            access_log off;
            log_not_found off;
        }

        # Deny access to backup files
        location ~ ~$ {
            deny all;
            access_log off;
            log_not_found off;
        }
    }
}