Over the years I’ve shared a lot of posts on using programmability in the network to do, well, a lot of different things. Like implement A/B testing, and Canary deployments, and proxying requests for...
Would just add to know your tools. If your language/platform provides libraries for what you are trying to do, use them. Date/time and URL parsing are the most common ones but be biased toward code reuse. Don't reinvent the wheel.