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

events {
    worker_connections 1024;
    use epoll;
    multi_accept on;
}

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

    keepalive_timeout 65;
    keepalive_requests 100000;

    variables_hash_max_size 2048;
    server_names_hash_bucket_size 128;
    server_tokens off;

    resolver 8.8.8.8 valid=30s ipv6=off;
    resolver_timeout 11s;

    # log_format json_combined escape=json '{'
    #     '"method":"$request_method",'
    #     '"scheme":"$scheme",'
    #     '"domain":"$host",'
    #     '"uri":"$request_uri",'
    #     '"query_string":"$query_string",'
    #     '"referer":"$http_referer",'
    #     '"content_type":"$sent_http_content_type",'
    #     '"status": $status,'
    #     '"bytes_sent":$body_bytes_sent,'
    #     '"request_time":$request_time,'
    #     '"user_agent":"$http_user_agent",'
    #     '"cache":"$upstream_cache_status",'
    #     '"upstream_time": "$upstream_response_time",'
    #     '"timestamp":"$time_iso8601",'
    #     '"ip":"$http_x_forwarded_for"'
    # '}';
    log_format VCOMBINED '$host:$server_port '
                     '$remote_addr $remote_user [$time_local] '
                     '"$request" $status $body_bytes_sent '
                     '"$http_referer" "$http_user_agent"';


    access_log  /var/log/nginx/access.log VCOMBINED;
    error_log   /var/log/nginx/error.log debug;
    
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    types_hash_max_size 2048;

    # Important for MinIO
    client_max_body_size 0;
    proxy_buffering off;
    proxy_request_buffering off;

    # Increase the buffer for the request line and headers
    client_header_buffer_size 16k;
    large_client_header_buffers 4 32k;

    # If using Nginx as a proxy to the Harbor core/registry
    proxy_buffer_size 16k;
    proxy_buffers 4 32k;
    proxy_busy_buffers_size 64k;

    proxy_connect_timeout 300;
    proxy_send_timeout 300;
    proxy_read_timeout 300;

    # Add extra headers
    add_header X-Frame-Options DENY;
    add_header Content-Security-Policy "frame-ancestors 'none'";

    # SSL Settings
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;


    # Gzip Settings
    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/xml+rss application/rss+xml font/truetype font/opentype application/vnd.ms-fontobject image/svg+xml;


    # Include all server configurations
    include /etc/nginx/conf.d/*.conf;
}