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Short tutorial to build a blockchain application in Go with Hyperledger Fabric
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# Tutorial Hyperledger Fabric SDK Go: How to build your first app?
Source: [chainhero.io/2018/06/tutorial-build-blockchain-app-v1-1-0](https://chainhero.io/2018/06/tutorial-build-blockchain-app-v1-1-0/)
This tutorial will introduce you to the Hyperledger Fabric Go SDK and allows you to build a simple application using the blockchain principle.
**This tutorial uses Hyperledger Fabric version 1.1.0**
This is the **first part** of this tutorial. The basics SDK features will be shown, but the second part is scheduled to demonstrate a more complex application.
## 1. Prerequisites
This tutorial won’t explain in detail how Hyperledger Fabric works. I will just give some tips to understand the general behavior of the framework. If you want to get a full explanation of the tool, go to the official [documentation](http://hyperledger-fabric.readthedocs.io/en/latest/) there is a lot of work there that explains what kind of blockchain Hyperledger Fabric is.
This tutorial has been made on **Ubuntu 16.04** but the Hyperledger Fabric framework is compatible with Mac OS X, Windows and other Linux distributions.
We will use the **Go** language to design our first application because the Hyperledger Fabric has been also built in Go and the Fabric SDK Go is really simple to use. In addition, the chaincode (smart contract) can be written in Go too. So the full-stack will be only in Go! Awesome right ? However, if you are go phobic, there are other SDK like for NodeJS, Java or Python but we won't discuss about them here.
Hyperledger Fabric uses **Docker** to easily deploy a blockchain network. In addition, some components (peers) also deploys docker containers to separate data (channel). So make sure that your platform supports this kind of virtualization.
## 2. Introduction to Hyperledger Fabric
> Hyperledger Fabric is a platform for distributed ledger solutions underpinned by a modular architecture delivering high degrees of confidentiality, resiliency, flexibility and scalability. It is designed to support pluggable implementations of different components and accommodate the complexity and intricacies that exist across the economic ecosystem.
See the full explanation from the official documentation in the introduction part: [Hyperledger Fabric Blockchain](http://hyperledger-fabric.readthedocs.io/en/latest/blockchain.html)
## 3. Installation guide
This tutorial was made on **Ubuntu 16.04**, but there is help for Windows, Mac OS X and other Linux distributions users.
### a. Docker
**Docker version 17.03.0-ce or greater is required.**
#### Linux (Ubuntu)
First of all, in order to install docker correctly we need to install its dependencies:
```bash
sudo apt install apt-transport-https ca-certificates curl software-properties-common
```
Once the dependencies are installed, we can install docker:
```bash
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - && \
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" && \
sudo apt update && \
sudo apt install -y docker-ce
```
Now we need to manage the current user to avoid using administration rights (`root`) access when we will use the docker command. To do so, we need to add the current user to the `docker` group:
```bash
sudo groupadd docker ; \
sudo gpasswd -a ${USER} docker && \
sudo service docker restart
```
Do not mind if `groupadd: group 'docker' already exists` error pop up.
To apply the changes made, you need to logout/login. You can then check your version with:
```bash
docker -v
```
#### Mac OS X
Download and install the latest [`Docker.dmg`](https://docs.docker.com/docker-for-mac/install/) package for Mac OS X available on the [Docker](https://docs.docker.com/docker-for-mac/install/) website. This will install `doExcerpt of 52,538 characters
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matched fp:252fb1f3ca8bb5e5, topic:tutorial, desc:tutorial, readme:tutorial