Discover how to transform a legacy monolithic application into a modern service-oriented architecture and implement continuous integration and deployment in this insightful conference talk from PHP UK Conference 2017. Learn from real-world examples as Michiel Rook guides you through the process of replacing outdated systems, addressing common challenges such as limited testing, slow manual releases, and low development velocity. Explore strategies for balancing refactoring needs with management's push for new features, and gain valuable insights into building a robust CI/CD pipeline that delivers value from the very first sprint. Delve into key topics including automated testing, monitoring, master/trunk based development, and essential best practices for successful continuous deployment.