
Envoy Proxy Crash Course, Architecture, L7 & L4 Proxying, HTTP/2, Enabling TLS 1.2/1.3 and more
About this episode
Envoy is an open-source L7 proxy and communication bus Originally built at Lyft to move their architecture away from a monolith.
In this video, I want to go through the following
* What is Envoy? 0:00
* Current & Desired Architecture 0:48
* Envoy Architeture 3:00
* DownStream/Upstream 7:30
* Clusters 9:19
* Listeners 10:50
* Network Filters 11:50
* Connection Pools 13:45
* Threading Model 18:34
* Example 21:25
* Show the 4 apps 24:30
* Install Envoy Brew 26:00
* https://www.getenvoy.io/install/envoy/macos/
* Envoy as a Layer 7 Proxy 27:30
* Proxy to all 4 backend NodeJS services 28:00
* Split load to multiple backends (app1/app2) 40:00
* Block certain requests (/admin) 45:30
* Envoy as a Layer 4 Proxy (tcp router) 47:50
* Create DNS record 54:00
* Enable HTTPS on Envoy (lets encrypt) 55:30
* Enable HTTP/2 on Envoy 1:03:00
* Disable 1.1/1.0 Enable TLS 1.2 and TLS 1.3 ONLY on Envoy 1:04:30
* SSL Labs test 1:06:40
* Summary 1:07:24
Config
https://github.com/hnasr/javascript_playground/tree/master/envoy
Resources
https://www.envoyproxy.io/docs/envoy/latest/intro/arch_overview/intro/terminology
https://www.envoyproxy.io/docs/envoy/latest/intro/arch_overview/upstream/connection_pooling#arch-overview-conn-pool
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Hussein
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