SoftUni AWS Essentials June 2025

This repository contains coursework and exercises for the SoftUni AWS Essentials course (June 2025 edition).

Retake Exam

GitHub Repo:

https://github.com/BoykoPetevBoev/SoftUni-AWS-Essentials-June-2025

🚀 Getting Started

1. Clone the repository:

   git clone https://github.com/yourusername/SoftUni-AWS-Essentials-June-2025.git

2. Navigate to the retake-exam folder:

   cd SoftUni-AWS-Essentials-June-2025/retake-exam

3. Install dependencies:

   npm install

4. Deploy the stack:

   cdk deploy

5. Access the website:

   • The S3 website URL will be displayed after deployment
   • Use the "Save cat" button to save favorite cats
   • Check your email for SNS notifications

Useful commands

• npm run build compile typescript to js
• npm run watch watch for changes and compile
• npm run test perform the jest unit tests
• cdk deploy deploy this stack to your default AWS account/region
• cdk diff compare deployed stack with current state
• cdk synth emits the synthesized CloudFormation template

AWS CLI Commands

• aws configure – Set up your AWS credentials and default region
• aws s3 ls – List S3 buckets
• aws ec2 describe-instances – List EC2 instances
• aws cloudformation list-stacks – List CloudFormation stacks
• aws sts get-caller-identity – Show details about the current AWS identity (useful for verifying credentials)

AWS CDK Commands

Project Initialization

• cdk init app --language=typescript – Initialize a new CDK project

Environment Setup

• cdk bootstrap – Prepare your AWS environment for deploying CDK apps (creates necessary resources like S3 buckets for assets)

Build & Synthesis

• cdk build – Compile your CDK TypeScript or JavaScript app
• cdk synth – Synthesize and print the CloudFormation template for your app

Stack Management

• cdk list – List all stacks in your CDK app
• cdk diff – Compare your local stack with the deployed stack and show differences
• cdk deploy – Deploy your stack(s) to AWS10
• cdk destroy – Delete the deployed stack(s) from AWS

Diagnostics & Utilities

• cdk doctor – Diagnose and check your CDK setup for potential problems

Context Management

• cdk context – Manage cached context values

CloudFormation

• Template: A JSON or YAML file that defines AWS resources and their configurations. Used as the blueprint for your infrastructure.
• Change Sets: A summary of proposed changes to your stack before execution. Allows you to review how updates will affect your resources.
• Stack Sets: Manage stacks across multiple AWS accounts and regions with a single operation. Useful for large-scale, multi-account deployments.