| Table of Contents |
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Initial configuration
Your After the machine is deployed, your initial configuration file contains is located at /opt/ha-proxy-certbot/haproxy/config and it contains the following structure:
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defaults mode http timeout client 10s timeout connect 5s timeout server 10s timeout http-request 10s frontend myfrontend bind *:80 |
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Granted, there’s no reply from a server because we haven’t configured any servers yet. Nevertheless, you can see that HAProxy is functional.
Add a backend server
| Warning |
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If you want to modify the config file, you need to check the validity also. Please check command here: https://confluence.ecmwf.int/display/EWCLOUDKB/How+to+modify+HAproxy+config+file |
In HAProxy, a frontend receives traffic before dispatching it to a a backend, which is a pool of web or application servers. One of the servers in the backend will receive the request, form a response, and then send the response back through HAProxy to the client.
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