Category: DevOps

Terraform contd Scenario 1: Creating a network with subnets in AWS To write terraform templates we need to understand HCL (Hashicorp configuration language) Datatypes string number boolean list set object/map Manual Creating a network in AWS Prompt You are an expert in AWS I want to understand how to create a vpc in AWS Explain… Continue reading DevOps Classroom notes 06/Apr/2026

Github actions Variables in Github Actions Environmental Variables These are values we can define inside the workflow YAML, job or step. They are good for non-sensitive runtime values like app-name region port build mode Thy are available through shell syntax inside run steps and also env context in workflow expressions Configuration variables These are non-sensitve… Continue reading DevOps Classroom notes 05/Apr/2026

Branching strategy Popular Branching strategies Git Flow Gitlab Github Git Flow Gitlab Github Flow Generally developers will create feature branches defect branches task branch From where should this branch be created Prompt We are using a Git flow strategy developers create pull request from feature branch to developer branch remaining flow is as discussed in… Continue reading DevOps Classroom notes 04/Apr/2026

Setting up Terraform with AWS Prompt You are an expert in Terraform I’m trying to setup Terrform to work with AWS I want to use AWS CLI based credentials, Give me guidance to setup all the necessary softwares like Terraform AWS CLI Visual studio Code using a package manager Give me steps to create IAM… Continue reading DevOps Classroom notes 02/Apr/2026

Terraform concepts Providers Resource Datasource Argument Attribute Provider is vendor specific implementation which is used by terrform to create/manage infra Resource: This represents an infra element which you want to create Argument: Inputs Attribute: Outputs Popular Terraform providers Refer Here for terraform providers Steps for creating Terraform Templates Create a new folder Create any file… Continue reading DevOps Classroom notes 01/Apr/2026