Back to Basics: 5 AWS Learnings Every Beginner Should Know
As I wrap up my hackathon build, I wanted to share some fundamental AWS concepts that helped me go from zero to deploying my first serverless app.
Hello AWS Community! 👋
While building DeepPR for the "Zero to Shipped" hackathon, I had to crash-course my way through AWS. For any other students or beginners just starting their cloud journey, here are my top 5 foundational learnings:
1. Lock Down Your Root User First 🔒
The very first thing you should do after creating an AWS account is enable Multi-Factor Authentication (MFA) for the root user. The root user has total control over all users and services in your account. It is a valuable target for bad actors, so secure those credentials and use IAM (Identity and Access Management) for your daily tasks instead.
2. Set Up Billing Alarms 💸
Every beginner's biggest fear is an unexpected bill. You might accidentally leave an EC2 instance running or provision an expensive database. Setting up a billing alarm ensures you get an email or SMS when your costs exceed a specific threshold. AWS also offers a Free Tier for the first 12 months, which is highly recommended for discovering new services.
3. Understand the "Big Three" 🏗️
It is easy to get overwhelmed by the sheer number of AWS services, but you only need a few to build a basic web app:
- Amazon EC2: Provides virtual servers in the cloud, giving you scalable computing power.
- Amazon S3: An object storage service perfect for storing images, videos, backups, and static website files.
- Amazon RDS: A managed relational database service that handles administrative tasks like backups and maintenance for you.
4. Trade Capital Expense for Variable Expense 📈
One of the biggest advantages of the cloud is the pay-as-you-go model. Instead of investing heavily in data centers before knowing your actual usage, you only pay for the computing resources you consume.
5. Serverless is the Future ⚡
Services like AWS Lambda allow you to run code without managing servers directly. AWS runs your functions in response to events, which is incredibly useful for event-driven applications.
🤝 What was your "Aha!" moment?
For the AWS veterans out there, what is the one basic concept you wish you had known when you first started using the platform? Drop your tips in the comments below!
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