Explore the wild world of software architectures in this engaging 18-minute conference talk from DevOps.js Conference 2021. Dive into the differences, similarities, and practical applications of various architectural approaches, including PWAs, monoliths, headless systems, microservices, and service-oriented architectures. Learn when to use each approach, discover success stories, and examine notable failures. Gain valuable insights into the principles of flexibility and the Fires Principle while enjoying a fast-paced, humorous journey through architectural concepts. From internet traffic considerations to the pros of headless systems and PWAs, this talk covers a wide range of topics, concluding with a look at light version architectures and key takeaways for implementing effective software architectures in your projects.