I would also like to see this approach in Lua by comparison. I find the performance loss negligible compared to the ease of writing / debugging Lua.

In a cursory glance, this appears to be logic (token, redis, etc) that can be handled by Nginx+Lua. Is there any reason to do it this way vs the other?

The intent was to demonstrate how to write a module in C. This can be solved with Lua as well.

I was hoping for a performance related answer, but you are right. I might walk through this and see if one way is faster than the other. Thanks!

Using Lua is much easier. Performance is unlikely to be a bottleneck. Developing a module is a real pain and a last resort.

Using Lua is certainly easier. The C version will almost always be faster, and yes, performance in this scenario probably wouldn't be an issue between the two. The other reason for writing a module in C though is complete control over the execution and an easier time troubleshooting problems. Adding another language layer can present issues when things explode.

I love how this tutorial starts by writing an automated integration test. More tutorials should do this. A fine job. Have a cookie.

Excellent tutorial, thank you for posting. All tutorials should be this complete.

thanks for this. It came in just at the right time as I was looking into this.

Thanks for the video.

This looks awesome!