How to Create S3 Bucket in AWS Step by Step

How to Create S3 Bucket in AWS Step by Step
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How to Create S3 Bucket in AWS Step by Step

Creating an S3 bucket in AWS is one of the most basic and essential things that you can do in AWS cloud.

Before we do that, Do you know that, AWS S3 is one of the widely used AWS services. It’s being used by few biggies like Reddit, Netflix, Pinterest and others.

Therefore, It’s always a good idea to learn how to get started with S3.

This tutorial is a beginner friendly tutorial on getting to know s3 and creating your first bucket.

What is AWS S3?

  • S3 or Simple Storage Service is a fully managed(Serverless) object storage service provided by AWS.
  • It lets you store any type and amount of data from anywhere in the world provided you are connected with internet.
  • Before you can store any object/data in S3, you need to create a bucket.
  • Buckets are ideally container for the objects. They can store unlimited number and amount of data.
  • You can use an S3 bucket to host static websites or to store any kind of data you want.

Suggested Read : Serverless Services on AWS : List with Explanation

By the end of this tutorial, you should be able to-

  1. Create an S3 bucket
  2. Upload an object
  3. View the uploaded object

So let’s start. We will do all the above by taking baby steps.

Step 1: Login to AWS Management Console and open S3

To create s3 bucket in AWS, the very first step is to login to AWS Management Console and open S3 service.

You can either go to Services -> Storage -> S3

How to Create an S3 Bucket 1

or

Type s3 in the search bar and hit enter. Once you see S3 option click on that.

How to Create an S3 Bucket 2

Step 2: Create an S3 Bucket

Once you click on S3 in above step, it will lead you to S3 dashboard. Here you can see the list of all your bucket across regions and create new bucket as well.

How to Create an S3 Bucket in AWS

Click on Create bucket

S3 Bucket Name Must Be Unique

Provide a unique name to your bucket or else you will get “Bucket with same name already exists” error as above.

Reason is , S3 bucket names are globally unique. One you create a bucket with name “xyz” no one else in the world can create a bucket with the same name even in any other region or account until the bucket is deleted.

Suggested Read: This is why S3 Bucket name is unique globally

After the name, choose a region in which you would like your bucket to be created. You can choose any region of your choice, preferably near to your customer location to have optimum latency.

I have chosen a bucket name which is unique to me and eu-west-1 region.

How to create an s3 bucket

Note: You might have noticed that when you open S3, Global is selected in region and region selection is disabled. However, you must choose a region in which your bucket should reside at the time of creation of bucket.

Suggested Read: Is S3 Region Specific or Global? What do you think?

After putting the name and region, let’s leave all other details to default and scroll down the page to find create Bucket button.

Create S3 Bucket in AWS

Click on Create bucket.

In a matter of seconds, your bucket is created and you see success message like below.

Congratulation !!!

You have created your first S3 bucket. 🙂

Step 3: Upload an Object

As of now, you can see your created S3 bucket in the list of buckets as seen on above success screenshot

Create a simple text file named demo.txt

Click on the bucket name link to navigate inside the bucket. Once inside, you can upload your file.

Create an S3 Bucket in AWS S3

Click on Upload

It will lead you to below screen where you can add files or even folders to upload in the bucket.

Add Files to a Bucket

Click on Add files

Select file from your local system. Once file is loaded, Scroll down the page and click on Upload

Depending on the file size it will take some time to upload your file and once done, you will see below success message.

Object Upload Success Message

Step 4: View the Object

At this point of time, we have created an S3 bucket and uploaded a simple text file into it.

Now, it’s time to view the uploaded file.

In the above screen, with the success message You can see your uploaded file in the Files and Folders section.

Click on demo.txt

You will see object overview screen.

Object Details Screen S3

Click on the Object URL to view the object.

P.S. – By default, all Amazon S3 buckets and objects are private so on clicking above URL you will get similar error as below.

<Error>
<Code>AccessDenied</Code>
<Message>Access Denied</Message>
<RequestId>9X41902RKTPWRJY9</RequestId>
<HostId>thTGy7XWX8RAWbkbA7kCZWhYEZ4ENJhosN0M108EdQZ4273r4KTSVjWoTIJG/IPGsaS9Mfw3bYg=</HostId>
</Error>

And the error is so obvious because the object is not publicly accessible. That’s why you get access denied.

Let’s fix that.

This is gonna be a two stet task.

Step 1: Unblock Public Access on Bucket Level

A newly created bucket is always private by default and all objects belonging to the bucket is private. So let’s unblock that setting on bucket level first.

Click on the Permissions tab on your bucket like below.

Unlock Public Access on A Bucket

Click on Edit.

Uncheck Block all public access checkbox like below.

Unblock All Public Access on Bucket Level

Click on Save changes

Now as you can see below, objects can be public

Objects are public

Note: Here notice that it says objects can be public and not as objects are public

Well, it means that now you can use various mechanism like bucket policy or Access Control List to allow public access on your object.

Step 2: Allow Public Access on Bucket.

Let’s update the object’s ACL to allow public read. You can do that from console using Make public action

Select the object you would like to make publicly accessible.

Make Object Public

Click on Actions drop-down and click Make public

Confirm the dialog box and tada. Your object is public now and you can view it publicly.

Go to Object -> Click on Object Name -> Click on Object URL

and here you are !!

ABle to View Object Publicly

Congratulations once again.!!! You are able to view your uploaded file.

Note: Please note that making an object public using this way makes only that specific object public and all other objects permission is unaffected.

Conclusion

In this in-depth tutorial, You learnt to create S3 bucket in AWS. We went through the creation of S3 Bucket using AWS console in a step by step manner.

We also uploaded a text file, made the object publicly accessible and viewed the file using the object URL.

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I hope you enjoyed this tutorial. If you have a question, feel free to drop in comment. I will be more then happy to answer your query.

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