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Docker Learning Note

Install

Docker Desktop WSL

https://docs.docker.com/get-docker/

Basic concepts

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Jenkin Install (With Gitlab Install using Docker)

https://www.jenkins.io/doc/book/installing/docker/

Intro

Jenkins is a self-contained, open source automation server which can be used to automate all sorts of tasks related to building, testing, and delivering or deploying software.

Ref: https://bluelight.co/blog/best-ci-cd-tools

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Note some way to use Maven in project

Maven wrapper

Instead of installing many versions of it in the operating system, we can just use the project-specific wrapper script.

mvn -N wrapper:wrapper -Dmaven=3.5.2 -> Create maven wrapper in your project.

build project

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Redis Setup & Testing

What

Redis is an open-source, in-memory data structure store often used as a database, cache, and message broker.

It supports various data structures like strings, hashes, lists, sets, and sorted sets

Keys

• Replication: Supports master-slave replication, making it suitable for high-availability setups.
• Pub/Sub Messaging: Allows message publishing and subscribing, making it useful for real-time messaging applications.

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Jenkins Setup (Jenkins with GitLab, Java Maven Project)

Prerequisite: For testing purpose, we can setup Jenkins, GitLab server with Docker. Ref: Jenkin Install With Gitlab using Docker

Install Plugins/ Tools

Plugin

Go to Manage Jenkins > Manage Plugins.

• GitLab Plugin
• Git plugin (if not already installed)