HAProxy Tutorial: Frontends, Backends, Mode TCP vs HTTP Load Balancing
Learn HAProxy load balancing from scratch. Understand frontends (listeners), backends (server pools), and the difference between mode tcp (L4) and mode http (L7). Includes a hands-on terminal demo installing HAProxy and testing with curl.
Topics covered:
HAProxy frontends and backends explained
mode tcp vs mode http (L4 vs L7 proxying)
Simple load-balancing configuration
Health checks and server pools
Terminal demo: install, configure, and test with curl
For DevOps engineers, sysadmins, and developers building scalable infrastructure.
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