This is “a post in progress”, so will be updated as I find more cool stuff.
For now, only one article and I find it really great – https://blog.gruntwork.io/5-lessons-learned-from-writing-over-300-000-lines-of-infrastructure-code-36ba7fadeac1
+ discussion on hacker news – https://news.ycombinator.com/item?id=18537102