About the authors

Yogesh Raheja is a certified DevOps and cloud expert with a decade of IT experience. He has expertise in technologies such as OS, source code management, build and release tools, continuous integration/deployment/delivery tools, containers, configuration management tools, monitoring, logging tools, and public and private clouds. He loves to share his technical expertise with audience worldwide at various forums, conferences, webinars, blogs, and LinkedIn. He has written Automation with Puppet 5 and Automation with Ansible and has published his online courses on Udemy. He has also reviewed multiple books for Packt like Implementing Splunk 7, Third Edition and Splunk Operational Intelligence Cookbook, Third Edition.

Giuseppe Borgese is currently working as a DevOps AWS Specialist for Siemens. He possesses a master's degree in Internet Technology and is a certified AWS DevOps Engineer Professional holding 4 certifications. His contributions to the AWS community include a Youtube channel featuring a series of AWS Tutorials and numerous articles for renowned blogs such as LinuxAcademy. He also holds VMware and Cisco certifications. This is his second book and the first book published with Packt. In this book, the chapters, Scaling Your Infrastructure and Hardening the Security of Your AWS Environment have been contributed by him. 

Nathaniel Felsen is a DevOps engineer who started working on DevOps engineering
concepts over 10 years ago, before the term was even coined. He worked in several
companies ranging from small start-ups to enterprises, including Qualys, Square, and more
recently, Medium.

Outside of work, Nathaniel lives a fabulous life where he enjoys running after his very
active kids and spending a fortune on occasional date nights with his wife. Although
Nathaniel is French, he prefers exploring local stout beers with friends than drinking wine.
He holds a MS degree in system, network, and security from Ecole Pour l'Informatique et
les Techniques Avancées (EPITA), a top CS engineering school in France.