Book Image

Google Cloud Certified Professional Cloud Developer Exam Guide

By : Sebastian Moreno
Book Image

Google Cloud Certified Professional Cloud Developer Exam Guide

By: Sebastian Moreno

Overview of this book

Google Cloud Platform is one of the three major cloud providers in the industry, exhibiting great leadership in application modernization and data management. This book provides a comprehensive introduction for those who are new to cloud development and shows you how to use the tools to create cloud-native applications by integrating the technologies used by Google. The book starts by taking you through the basic programming concepts and security fundamentals necessary for developing in Google Cloud. You'll then discover best practices for developing and deploying applications in the cloud using different components offered by Google Cloud Platform such as Cloud Functions, Google App Engine, Cloud Run, and other GCP technologies. As you advance, you'll learn the basics of cloud storage and choosing the best options for storing different kinds of data as well as understand what site reliability engineers do. In the last part, you'll work on a sample case study of Hip Local, a community application designed to facilitate communication between people nearby, created by the Google Cloud team. By the end of this guide, you'll have learned how to design, develop, and deploy an end-to-end application on the Google Cloud Platform.
Table of Contents (21 chapters)
1
Section 1: Welcome to the Google Cloud Developers' Guide
4
Section 2: Developing and Modernizing Applications on Google Cloud Platform
9
Section 3: Storage Foundations
14
Section 4: SRE for Developers
17
Section 5: Analyzing a Sample Case Study

Decoupling applications using Pub/Sub

Pub/Sub is a messaging service that allows us to decouple applications that produce and receive events, creating a much more robust system due to the high availability and consistency that the service provides.

Before looking in detail at the different functionalities of Pub/Sub, it is important to understand the fundamental concepts of this technology, since we will mention them frequently in this section. These are presented here:

  • Topic: Corresponds to a resource created within Pub/Sub where publishers will send their generated messages
  • Subscription: Corresponds to a resource that represents the flow of messages from a specific topic to a particular subscriber
  • Message: Corresponds to the information and attributes that are sent to a topic through a publisher and received by the subscribers to that topic

Pub/Sub types

Among the types of service that Pub/Sub offers us are the following:

  • Pub/Sub: Multi-zone...