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Jenkins, Docker & Git CI/CD Guide for Juniors

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A comprehensive guide for junior developers looking to set up CI/CD pipelines using Jenkins, Docker, and Git. This guide covers the essential prerequisites, including basic GitHub knowledge and experience with Docker. The tutorial walks through setting up a GitHub repository and generating a personal access token, ensuring secure access to your codebase.

The guide then transitions to local development, where developers write their code and create a Dockerfile to containerize their applications. Testing the Docker build locally ensures everything functions correctly before moving to the server setup. This step involves updating the package manager and installing Docker and docker-compose on a Linux server.

Configuration of Jenkins is the final and most crucial part, where developers add GitHub credentials and set up a pipeline with stages including checkout, build, login, push, SSH, and deployment. The guide also introduces Dozzle for easy log viewing, enhancing the monitoring capabilities of the CI/CD pipeline.

This tutorial is invaluable for junior developers aiming to automate their deployment processes and gain hands-on experience with industry-standard tools.