Run NGINX server as redirector for Applicare controller (Build Nginx from Source on Linux)

Step 1: Follow the  instruction to Install  Applicare

Note: Enter the server IP and server port in the Applicare.props and ApplicareController.props file with the nginx running IP and port.

Step 2:  Download nginx

Step 3: Download the zlib and pcre library file

Step 4: Extract the Nginx, zlib, Pcre zip file.

Step 5: Follow the steps below to install and run Nginx as Services.

      1. Go to Nginx extracted directory.
      2. Execute Below command.

./configure --with-pcre=<pcre_ectracted_directory> --with-zlib=<zlib_ectracted_directory>
make
make install

      3. To view the  version of nginx, do the following.

cd /usr/local/nginx/sbin
./nginx -v

Step 5: Below steps for starting services on Nginx.

      1. Go to below directory.

/lib/systemd/system

      2. we can create a nginx.service file.

 [Unit]
Description=The NGINX HTTP and reverse proxy server
After=syslog.target network-online.target remote-fs.target nss-lookup.target
Wants=network-online.target
[Service]
Type=forking
PIDFile=/var/run/nginx.pid
ExecStartPre=/usr/local/nginx/sbin/nginx -t
ExecStart=/usr/local/nginx/sbin/nginx
ExecReload=/usr/local/nginx/sbin/nginx -s reload
ExecStop=/bin/kill -s QUIT $MAINPID
PrivateTmp=true
[Install]
WantedBy=multi-user.target

    3. You can enable Nginx on startup with the following command.

systemctl enable nginx

Step 6: Go to the /usr/local/nginx/conf folder. And edit the nginx.conf file.

Step 7: Enter the IP of the machine running nginx instead of localhost where the server name is.

Step 8: Add the below line before server line

upstream tomcat {
            ip_hash;
            server <Controller_IP>:<Contrller_Port>;
    }

Step 9: Add the below line in end of location line.

proxy_pass http://tomcat;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;