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Sonatype Nexus
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=> 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 files

=> 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.

Note: The alternate for Nexus tool is JFrog.

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

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Nexus Server Setup	
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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.

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Nexus Repository Types
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=> 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.

Snapshot Repo URL : http://3.109.152.141:8081/repository/ashokit-snapshot-repo/

Release Repo URL : http://3.109.152.141:8081/repository/ashokit-release-repo/

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Nexus Integration in CI CD
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=> 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.