Ask HN: Taking next steps in Rails architecture? Is Trailblazer the answer?

So I've been freelancing for about 5 years now, which seems like an eternity - time to sharpen the knife. I feel like it's time to take the next step in Rails architecture and I'm not sure where to turn to or what resources to use. Is something like Trailblazer the answer? https://github.com/apotonick/trailblazer I want to take my Rails knowledge and experience to the next level and would appreciate any input from people working in large production-quality codebases.