HAProxy is free, open source software written in C that provides a high availability  layer 4 and layer 7 load balancing and proxying . It has a reputation for being fast and efficient (in terms of processor and memory usage).

In this video I want discuss the following

Current & Desired Architecture 2:30

HAProxy Architecture  5:50

HAProxy as TCP Proxy & HTTP Proxy (Layer 4 vs Layer 7) 17:00

ACL (Access Control Lists) 19:20

TLS Termination vs TLS Pass Through 20:40

Example 24:23

Spin up the services 25:51

Install HAProxy - 28:00

HAProxy configuration 29:11

ACL Conditional 39:00

ACL Reject URL 48:00

Enable HTTPS HAProxy 53:00

Enable HTTP/2 on HAProxy 1:05:30

Summary

Cards

Docker Javascript node 4:00

Varnish 15:46

NAT 23:30

Docker Javascript node 26:00

Encryption 56:00

TLS 56:10

HTTP2 1:08:40

Source Code for Application

HAProxy config

https://github.com/hnasr/javascript_playground/tree/master/proxy

Docker application

https://github.com/hnasr/javascript_playground/tree/master/docker

resources

https://www.haproxy.com/blog/the-four-essential-sections-of-an-haproxy-configuration/

https://www.haproxy.com/documentation/aloha/10-0/traffic-management/lb-layer7/acls/#predefined-acls

https://certbot.eff.org/lets-encrypt/osx-nginx