Cloud Hopping: Introduction to AWS for Junior Developers


Welcome to 'Cloud Hopping,' your guided journey through the vast skies of Amazon Web Services (AWS). If you're a junior developer looking up at the cloud and wondering how to start, you're in the right place. In this series, I’ll break down cloud computing into bite-sized, manageable pieces, ensuring AWS becomes something you can confidently understand and use, regardless of your background.

In this six-part 'Cloud Hopping' series, we will cover the following topics:

  1. Introducing AWS: Understand its importance in the current tech landscape and why it's relevant to you.
  2. Setting up an AWS Account: A guide through the process of setting up an AWS account, including an understanding of AWS's pricing and free tier.
  3. Deploying a Web Application on AWS EC2: Learn how to deploy a simple web application using AWS EC2.
  4. Utilizing AWS CloudFront: Discover how to use AWS CloudFront for content delivery and its benefits.
  5. Exploring AWS S3 for Storage: Introduction to AWS S3 for storage and effective usage.
  6. Understanding Serverless Architecture with AWS Lambda: Explanation of serverless architecture and how to utilize AWS Lambda.

Do you have an idea for an additional entry in the ‘Cloud Hopping’ Series, like a hands-on tutorial or a specific topic you've always wanted covered? Please share your thoughts in the comments below.

What is AWS and Why is it Important?

AWS is a powerhouse in the world of cloud computing, offering a diverse range of services from virtual machines and storage to AI and even satellite control services. But why should this matter to you? The answer lies in its ubiquity and power. AWS powers a broad spectrum of companies, from start-ups to giants like Netflix and Twitch, demonstrating its versatility and essential role in the tech landscape.

Below, I've included a chart that illustrates AWS's market dominance. This not only translates into more job opportunities in the field but also ensures a wider community of knowledgeable individuals to support you on your journey.

AWS Market Lead Graph Image

If you're interested in exploring some of the customer success stories with AWS, check out the following link. Feel free to share your favorite stories or how they inspire your journey with AWS in the comments below.

The Basics of Cloud Computing

Before we dive into AWS, let's talk about cloud computing as a whole. Think of it like the utility services in your home. Just as you use electricity or water without needing to generate or source it yourself, cloud computing allows you to utilise computing power and storage from a provider as and when you need it. You pay for what you use, without the complexities of generating or storing it.

Previously, companies had to host their own servers by purchasing physical computers. This meant investing in expensive hardware, securing sufficient storage space, and committing to ongoing maintenance and upgrades. Such a traditional setup was not only costly but also inflexible, making it challenging to scale up or down based on the business's changing needs.

Data Centre Stock Image

Enter cloud computing, a revolutionary shift in the usage and management of computing resources. With cloud services like AWS, companies are no longer burdened with the purchase and maintenance of physical servers. Instead, they can rent computing power and storage from cloud providers. These providers manage these resources in their own large data centres located around the world. This model offers unparalleled flexibility and scalability, allowing businesses to adjust their resource usage with ease and only pay for what they use.

The benefits of cloud computing extend beyond cost savings and scalability. It also enhances business agility, enabling companies to deploy applications faster, respond swiftly to market changes, and innovate more efficiently. Additionally, with the cloud's robust security features, businesses can ensure their data is well-protected, a task that could be both complex and costly with on-premises servers.

If you’ve already dabbled in cloud computing, what tips or tricks can you share with those just starting out? Your insights could be incredibly valuable to our community that is new to the concept.

The Essential AWS Toolkit for Junior Developers

Toolkit Stock Image

AWS offers a vast array of tools for every conceivable job. As a beginner, you'll find some tools more essential than others. Let's start with the basics:

  • EC2 (Elastic Compute Cloud): Think of EC2 as highly customizable computers in the cloud. Much like choosing different types of laptops for gaming or graphic design, EC2 allows you to pick the size and power of your virtual server to suit your project’s needs.
  • S3 (Simple Storage Service): S3 functions similarly to Google Drive or Dropbox. It's a place where you can store all your digital assets, such as photos, videos, and documents, and access them from anywhere. Its scalability makes it ideal for storing large volumes of data.
  • Lambda: This is a serverless compute service. With Lambda, you simply provide the code, and it runs it for you. You don't need to worry about acquiring or managing servers - Lambda handles all that, allowing you to focus solely on your code.
  • DynamoDB: DynamoDB is a NoSQL database that operates like a super-efficient filing cabinet. Designed for quick storage and retrieval of any amount of data, it's ideal for applications that require rapid data access at any scale, such as mobile apps or gaming leaderboards.

As this series progresses, we will delve deeper into each of these services. Are there any specific AWS services you're interested in learning more about? Or do you see a potential application for any of these services in your past projects? Share your thoughts and questions below.

Wrapping Up

This introduction is just the beginning. In the next article, I’ll guide you through setting up your first AWS account, and then we'll delve into deploying a simple application. The cloud might seem vast and intimidating, but through this series, I hope to make your journey through AWS both informative and enjoyable, and even a bit of fun. Stay tuned, and get ready to hop from one cloud to another in this exciting exploration of AWS!

Do you have any questions or topics you're curious about? Feel free to leave a comment below or reach out to me on LinkedIn. Your input is invaluable and will help shape this series into the perfect guide for junior developers like you.

Avatar for Callum Dennis

Written by Callum Dennis


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