1. Open the AWS S3 console and click on the bucket's name
2. Click on the Permissions tab
3. Find the Block public access (bucket settings) section, click on the Edit button, uncheck the checkboxes and click on Save changes

4. In the Permissions tab scroll down to the Bucket policy section and click on the Edit button. Paste the following policy into the textarea to grant public read access to all files in your S3 bucket.

NOTE: Replace the YOUR_BUCKET_NAME placeholder with your bucket's name.

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "PublicReadGetObject",
      "Effect": "Allow",
      "Principal": "*",
      "Action": "s3:GetObject",
      "Resource": "arn:aws:s3:::YOUR_BUCKET_NAME/*"
    }
  ]
}

Save the changes you've made to the bucket's policy and your bucket will have public read access enabled.

5. (Optional) If you need to access your bucket with http request from the browser, you have update the bucket's Cross-origin resource sharing (CORS) options to allow your frontend's requests

• In the Permissions tab of your S3 bucket, scroll down to the Cross-origin resource sharing (CORS) section and click on the Edit button

• Paste the following JSON into the textarea and save the changes

[
  {
    "AllowedHeaders": ["*"],
    "AllowedMethods": ["GET", "HEAD"],
    "AllowedOrigins": ["*"],
    "ExposeHeaders": ["ETag"]
  }
]