Helped me to finally start understanding some scenarios where docker would be more useful than just using a virtual machine. I would have liked to see more coverage of what deploying to production would look like.
Definitely appreciated a view of PHP types in terms of a broader look at types in various programming languages.
Having recently made the upgrade from 4.2, this talk was timely and very helpful.
Agreed with everything Josh had to say, I like how he talked to a number of speakers to get their advice as well. I'll need to read the blog post!
Great strategies for triaging. Five why's and blameless post mortems are awesome! Staying calm is the most important thing.
You mentioned 4 books you recommend for every developer, one of them being Refactoring by Martin Fowler. What were the other 3?