Master the Art of Hyperledger Fabric on Docker, Docker Swarm, and Kubernetes

Hyperledger Fabric is a popular blockchain framework for building and deploying enterprise-grade blockchain applications. It is known for its modular architecture, high performance, and scalability. Docker, Docker Swarm, and Kubernetes are container orchestration platforms that can be used to manage and deploy Hyperledger Fabric applications.

Mastering Hyperledger Fabric: Master The Art of Hyperledger Fabric on docker, docker swarm and Kubernetes, 1st Edition

by Narendranath Reddy Thota

4 out of 5

Language	:	English
File size	:	18311 KB
Text-to-Speech	:	Enabled
Screen Reader	:	Supported
Enhanced typesetting	:	Enabled
Print length	:	314 pages
Lending	:	Enabled

FREE

In this comprehensive guide, we will teach you how to master Hyperledger Fabric on Docker, Docker Swarm, and Kubernetes. We will cover everything from setting up your environment to developing and deploying your first blockchain application.

Prerequisites

Before you start, you will need the following:

* A basic understanding of blockchain technology * Docker installed on your system * Docker Swarm or Kubernetes installed on your system * A text editor or IDE * A Hyperledger Fabric development environment

Setting Up Your Environment

The first step is to set up your environment. This includes installing Docker, Docker Swarm, or Kubernetes, and setting up a Hyperledger Fabric development environment.

Installing Docker

To install Docker, follow the instructions on the Docker website.

Installing Docker Swarm

To install Docker Swarm, follow the instructions on the Docker Swarm website.

Installing Kubernetes

To install Kubernetes, follow the instructions on the Kubernetes website.

Setting Up a Hyperledger Fabric Development Environment

To set up a Hyperledger Fabric development environment, follow the instructions in the Hyperledger Fabric documentation.

Developing Your First Blockchain Application

Now that you have your environment set up, you can start developing your first blockchain application.

Creating a New Project

The first step is to create a new project. To do this, open your text editor or IDE and create a new directory. Then, navigate to the directory and run the following command:

docker-compose up -d

This command will create a new Docker network and start the Hyperledger Fabric components.

Writing Your Smart Contract

The next step is to write your smart contract. A smart contract is a program that runs on the blockchain. It defines the rules and logic for your blockchain application.

To write a smart contract, you will need to use a programming language that is supported by Hyperledger Fabric. The most popular programming languages for Hyperledger Fabric are Go and Node.js.

For this example, we will write a simple smart contract in Go. Here is the code for the smart contract:

package main

import ( "fmt"

"github.com/hyperledger/fabric-contract-api-go/contractapi" )

type SmartContract struct { contractapi.Contract }

func (s *SmartContract) Init(ctx contractapi.TransactionContextInterface) error { return nil }

func (s *SmartContract) Invoke(ctx contractapi.TransactionContextInterface) error { function, args := ctx.GetStub().GetFunctionAndParameters()

switch function { case "set": return s.set(ctx, args) case "get": return s.get(ctx, args) default: return fmt.Errorf("invalid function: %s", function) }}

func (s *SmartContract) set(ctx contractapi.TransactionContextInterface, args []string) error { if len(args) != 2 { return fmt.Errorf("invalid number of arguments: %d", len(args)) }

key := args[0] value := args[1]

err := ctx.GetStub().PutState(key, []byte(value)) if err != nil { return fmt.Errorf("failed to put state: %v", err) }

return nil }

func (s *SmartContract) get(ctx contractapi.TransactionContextInterface, args []string) error { if len(args) != 1 { return fmt.Errorf("invalid number of arguments: %d", len(args))

Mastering Hyperledger Fabric: Master The Art of Hyperledger Fabric on docker, docker swarm and Kubernetes, 1st Edition

by Narendranath Reddy Thota

4 out of 5

Language	:	English
File size	:	18311 KB
Text-to-Speech	:	Enabled
Screen Reader	:	Supported
Enhanced typesetting	:	Enabled
Print length	:	314 pages
Lending	:	Enabled

FREE