Setup nginx reverse proxy

on ubuntu host machine open ports on firewall

# in this case the subnet is 10.1.1.x

#docker daemon
sudo ufw allow from 10.1.1.0/8 to any port 2376 proto tcp
# Nats
sudo ufw allow from 10.1.1.0/8 to any port 4222 proto tcp
sudo ufw allow from 10.1.1.0/8 to any port 5775 proto udp
# mongo
sudo ufw allow from 10.1.1.0/8 to any port 27017 proto tcp
sudo ufw allow from 10.1.1.0/8 to any port 6831 proto udp
sudo ufw allow from 10.1.1.0/8 to any port 6832 proto udp
sudo ufw allow from 10.1.1.0/8 to any port 5778 proto tcp


# install nginx on mac

brew install nginx    

# update /usr/local/etc/nginx/nginx.conf with the contents below

worker_processes  1;

# reverse proxy mapping
stream {
    #NATS
    server {
        listen 4222;
        proxy_pass ubuntu.local:4222;
    }
    # Elastic
    server { 
        listen 9200;
        proxy_pass ubuntu.local:9200;
    }
    #Mongo
    server {
        listen 27017;
        proxy_pass ubuntu.local:27017;
    }
    #Jaeger Agent
    server {
        listen 5775 udp;
        proxy_pass ubuntu.local:5775;
    }
    server {
        listen 6831 udp;
        proxy_pass ubuntu.local:6831;
    }
    server {
        listen 6832 udp;
        proxy_pass ubuntu.local:6832;
    }
    server {
        listen 5778;
        proxy_pass ubuntu.local:5778;
    }
    # Jaeger Collector
    # TODO when testing Jaeger :)

}

events {
    worker_connections  1024;
}

# webserver
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
    gzip  on;

    server {
        listen       8088;
        server_name  localhost;
        
        location / {
            root   html;
            index  index.html index.htm;
        }

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }

    include servers/*;
}

#restart
brew services restart nginx