Author: continuous learner

Build and Package reactjs application To work with any react or angular projects we need nodejs and npm to be installed Easy way to install any nodejs and npm is NVM Refer Here for installing nvm on linux To install nvm on windows use winget Using nvm you can use any node js version nvm… Continue reading DevOps Classroom notes 29/Mar/2026

Maven Java distribution formats JAR WAR EAR Maven manages libraries compiles the commands test execution packaging Maven solves this by using conventions over configuration a standard folder structure pom.xml file ready made commands Heart of maven (pom.xml) which tells maven project name version dependencies build settings plugins Important fields of pom.xml groupId: This represents organization… Continue reading DevOps Classroom notes 28/Mar/2026

Lets write a Github actions workflow which on pull request to dev branch will build a java project runs the tests Github gives us reusable actions actions/checkout: Refer Here for docs prompt: i want to checkout using actions/checkout in github actions workflow, give me different options one by one. stop after giving each option and… Continue reading DevOps Classroom notes 25/Mar/2026

Github Runners Github Runners will have predefined size and pre-installed software Refer Here Refer Here for choosing a runner for a job Writing a workflow yaml Workflow will have a name Workflow will run on trigger Workflow executes jobs jobs: <job-id>: runs-on: <github-runner-image> steps: – name: run uses Whole github action is as shown below… Continue reading DevOps Classroom notes 24/Mar/2026

Github Actions Yaml reference Refer Here for workflow syntax Github actions steps or actions in github actions step is a low level command and steps can be made reusable with actions Refer Here I want to build a dotnet application This dotnet application will require dotnet sdk to build dotnet runtime to run The project… Continue reading DevOps Classroom notes 23/Mar/2026

Github Actions Runners in Github Actions: on a larger note github offers two types of infra Microsoft Hosted / Github Hosted Runners Self Hosted Runners Github Actions Plan according to runners Explain Github Actions pricing w.r.t to runners I need to understand both free and paid plans OS for runners: For Github Runners we have… Continue reading DevOps Classroom notes 20/Mar/2026

CI/CD Pipeline Any CI/CD pipeline is all about when to run where to run what to run Github Actions Components Workflow Jobs Steps Runner Events Events Event is something which can trigger the workflow Workflow This is our pipeline Workflow at a highlevel is collection of jobs Jobs Job is collection of steps running on… Continue reading DevOps Classroom notes 17/Mar/2026

CI/CD Pipeline Any CI/CD pipeline is all about when to run where to run what to run Github Actions Components Workflow Jobs Steps Runner Events Events Event is something which can trigger the workflow Workflow This is our pipeline Workflow at a highlevel is collection of jobs Jobs Job is collection of steps running on… Continue reading DevOps Classroom notes 17/Mar/2026

Continuous Integration The idea of CI is to give feeback about a change done by developer whether is good to proceed or needs rework For every change submitted by developer Basic use cases of application are working correctly (Smoke Test + Sanity Tests) Code review is done (human) Static code analysis (tool) package the application… Continue reading DevOps Classroom notes 16/Mar/2026

upstream in git when we push reference objects git push <remote-name> <reference-name> We can skip the <remote-name> <reference-name> by setting upsteam git push –set-upstream origin feature_1001 Developer workflows Developers create feature/defect branches from the branch where they are supposed to push the changes Simulating a developer workflow Navigate to github on url Refer Here Now… Continue reading DevOps Classroom notes 14/Mar/2026