Add complete example for a production cluster

production_cluster/nginx/nginx.conf

@@ -0,0 +1,66 @@
+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;
+
+    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;
+    }
+}

production_cluster/nginx/ssl/generate-self-signed-cert.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+cd $DIR
+
+if [ -s key.pem ]
+then
+    echo "Certificate already exists"
+    exit
+else
+    openssl req -x509 -batch -nodes -days 365 -newkey rsa:2048 -keyout key.pem -out cert.pem
+fi