Book Image

The Definitive Guide to Modernizing Applications on Google Cloud

By : Steve (Satish) Sangapu, Dheeraj Panyam, Jason Marston
Book Image

The Definitive Guide to Modernizing Applications on Google Cloud

By: Steve (Satish) Sangapu, Dheeraj Panyam, Jason Marston

Overview of this book

Legacy applications, which comprise 75–80% of all enterprise applications, often end up being stuck in data centers. Modernizing these applications to make them cloud-native enables them to scale in a cloud environment without taking months or years to start seeing the benefits. This book will help software developers and solutions architects to modernize their applications on Google Cloud and transform them into cloud-native applications. This book helps you to build on your existing knowledge of enterprise application development and takes you on a journey through the six Rs: rehosting, replatforming, rearchitecting, repurchasing, retiring, and retaining. You'll learn how to modernize a legacy enterprise application on Google Cloud and build on existing assets and skills effectively. Taking an iterative and incremental approach to modernization, the book introduces the main services in Google Cloud in an easy-to-understand way that can be applied immediately to an application. By the end of this Google Cloud book, you'll have learned how to modernize a legacy enterprise application by exploring various interim architectures and tooling to develop a cloud-native microservices-based application.
Table of Contents (26 chapters)
1
Section 1: Cloud-Native Application Development and App Modernization in Google Cloud
5
Section 2: Selecting the Right Google Cloud Services
10
Section 3: Rehosting and Replatforming the Application
17
Section 4: Refactoring the Application on Cloud-Native/PaaS and Serverless in Google Cloud

Step 3 – migrate

The third phase of cloud migration is the deployment phase. In this phase, we finalize a deployment process focused on transferring data, deploying workloads to the cloud, and migrating from manual deployments to automated deployments.

Once again, the deployment phase consists of hundreds of variables that influence your decisions, and discussing each variable simply isn't possible. So, to fit everything in this 400-or-so-page book, we've summarized the deployment process into three separate steps, starting with data transfer.

Transferring your data

As we discussed in Chapter 5, Choosing the Right Database and Storage, Google Cloud Platform primarily uses objects, which means before we can migrate our workloads, we need to move the information/files workloads required for running to the cloud. More importantly, we need to do this without loss of data/integrity.

And because data transfer is especially complex in cloud migrations, we need...