user nginx;
worker_processes auto;

error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
}

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;

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;

    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    server {
        listen 80;
        listen [::]:80;
        server_name localhost;
        root /usr/share/nginx/html;
        index index.html index.htm;

        location / {
            try_files $uri $uri/ /index.html;
        }

        location ~* \.(?:ico|css|js|gif|jpe?g|png|svg|woff|woff2|eot|ttf|webp)$ {
            expires 30d;
            add_header Cache-Control "public, no-transform";
        }

        error_page 404 /404.html;
        location = /404.html {
            internal;
        }

        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
            internal;
        }

        add_header X-Frame-Options "SAMEORIGIN";
        add_header X-Content-Type-Options "nosniff";
        add_header X-XSS-Protection "1; mode=block";
        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
        add_header Referrer-Policy "strict-origin-when-cross-origin";
        add_header Permissions-Policy "geolocation=(), microphone=(), camera=()";
    }
}