user  nginx;
worker_processes  1;

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;

    keepalive_timeout  65;

    server_tokens off;
    gzip  on;

    # kibana UI
    server {
        listen 80;
        listen [::]:80;
        return 301 https://$host:443$request_uri;
    }

    server {
        listen 443 default_server ssl http2;
        listen [::]:443 ssl http2;
        ssl_certificate /etc/nginx/ssl/cert.pem;
        ssl_certificate_key /etc/nginx/ssl/key.pem;
        location / {
            proxy_pass https://kibana:5601/;
            proxy_ssl_verify off;
            proxy_buffer_size          128k;
            proxy_buffers              4 256k;
            proxy_busy_buffers_size    256k;
        }
    }

}



# load balancer for Wazuh cluster
stream {
    upstream mycluster {
        hash $remote_addr consistent;
        server wazuh-master:1514;
        server wazuh-worker:1514;
    }
    server {
        listen 1514;
        proxy_pass mycluster;
    }
}