HAProxy Simple Configuration for local webserver

Parameters for this setup

Local webserver is on ip address 192.168.1.200 and uses port 80

Step 1: Define a Real server

• Name: anything you like to recognize the webserver
  
• IP address: The IP address of the internal webserver e.g. 192.168.1.200
• Port: 80
• SSL: disable

1. Define a Virtual service->Backend Pool
   • Name: anything you like
   • Servers: The server you defined in the step 1 (remember to press TAB after entering server name) 

Step 2: Define a condition:

• • Name: anything you like
    
  • Condition: Host contains or you can use any other condition to match like Host matches and use the full url.
    
  • Host string = Anything to recognize the URL or the full url in case of host matches.
    

Step 3: Define a rule

• Name: anything you like
• Select Conditions: Select the webserver from the dropdown menu
• Under HAProxy function > Execute function:  Use specified Backend Pool
• Use backend pool: Select the backend Pool from the drop down menu
  

Step 4: Define a Virtual Service

Under Public Service:

• Name: anything you like
• Listen addresses: 0.0.0.0:443 (TAB)
• Enable SSL offloading: Checked
• Default backend pool: Select from dropdown menu (TAB)
• Certificate: your Let's Encrypt certificate
• Under Advanced settings: 
  • Select rules: The rule you made earlier