================
Sonatype Nexus
================

=> Nexus is an open source software (OSS) & It is free of cost.

=> It is used as Artifactory Repository Server.

=> It is used to store project build artifacts.

	Ex: jar, war

=> Project artifacts will be stored in artifactory server for backup purpose.

=> Nexus software is developed by using java language.

=> The current version of nexus is 3.x version.

======================================================
Q) what is the difference between github and nexus ?
======================================================

=> Git Hub is used as source code repository server. It is used to store project source code.

=> Nexus is used as artifactory repository server. It is used to store project build artifacts (jar and war).

====================
Nexus Server Setup	
====================

Git Repo URL : https://github.com/ashokitschool/DevOps-Documents/blob/main/07-Nexus-Setup-Docker.md

Note: Nexus server will run on port number 8081. Enable it in EC2 vm security group inbound rules.


=======================
Nexus Repository Types
=======================

=> In nexus we can create 2 types of repositories

1) Snapshot repository

2) Release repository

=> If project is under development then that project artifacts will be uploaded into snapshot repository.

=> If project is completed then that project artifacts will be uploaded into release repository.

Note: Based on <version> tag value available in pom.xml file it will be decided that project is under development or project is getting released.

Ex-1 : <verison>0.0.1-SNAPSHOT</version> ===> Upload in SNAPSHOT REPO.

Ex-2 : <verison>RELEASE-1.0</version> ===> Upload in RELEASE REPO.

====================================
How to create repository in nexus
===================================

1) Login into nexus server

2) Go to settings

3) Go to repositories and click on 'Create Repository'

4) Select Maven 2(hosted) and create repository


Snapshot repo url : http://13.232.226.165:8081/repository/ashokit-snapshot-repo/

Release repo url : http://13.232.226.165:8081/repository/ashokit-release-repo/


===========================
Nexus Integration in CI CD
===========================

=> We can integrate "nexus repository artifact upload" process as part of Jenkins CI CD Pipeline.

Note: Once maven build process got completed then we can upload artifact into nexus repository.