Book Image

Cloud Native Applications with Ballerina

By : Dhanushka Madushan
Book Image

Cloud Native Applications with Ballerina

By: Dhanushka Madushan

Overview of this book

The Ballerina programming language was created by WSO2 for the modern needs of developers where cloud native development techniques have become ubiquitous. Ballerina simplifies how programmers develop and deploy cloud native distributed apps and microservices. Cloud Native Applications with Ballerina will guide you through Ballerina essentials, including variables, types, functions, flow control, security, and more. You'll explore networking as an in-built feature in Ballerina, which makes it a first-class language for distributed computing. With this app development book, you'll learn about different networking protocols as well as different architectural patterns that you can use to implement services on the cloud. As you advance, you'll explore multiple design patterns used in microservice architecture and use serverless in Amazon Web Services (AWS) and Microsoft Azure platforms. You will also get to grips with Docker, Kubernetes, and serverless platforms to simplify maintenance and the deployment process. Later, you'll focus on the Ballerina testing framework along with deployment tools and monitoring tools to build fully automated observable cloud applications. By the end of this book, you will have learned how to apply the Ballerina language for building scalable, resilient, secured, and easy-to-maintain cloud native Ballerina projects and applications.
Table of Contents (15 chapters)
1
Section 1: The Basics
4
Section 2: Building Microservices with Ballerina
8
Section 3: Moving on with Cloud Native

Technical requirements

This chapter contains Ballerina examples along with different types of observability tools such as Prometheus, Grafana, Logstash, Jaeger, and Elasticsearch. All of this aforementioned software is open source and can be downloaded onto your local computer or the target platform. Make sure that you select the correct operating system (OS) and install any prerequisites if needed.

You can find the code files for this chapter at https://github.com/PacktPublishing/Cloud-Native-Applications-with-Ballerina/tree/master/Chapter08.

The Code in Action video for the chapter can be found here: https://bit.ly/2VbdVJU

Applications that we have mentioned here can also be used as a Docker container. In containerized platforms such as Kubernetes, you can use Docker containers instead of using executables. Each section in this chapter, contains Docker pull commands for all of the Docker images that we have used.