Configuring EC2 and Connecting to S3

1. Access the created EC2 instance and click Copy the Public IPv4 address

2. Open CMD, navigate to the directory containing the EC2 keypair, and execute the following code to SSH into the EC2 instance:

ssh -i "your-keypair.pem" ec2-user@<EC2-PUBLIC-IP>

3. Copy the S3 object URL of the uploaded JAR file

4. Configure the file path

5. Click the Copy icon to copy the path

6. Enter the command below to download the JAR file from S3 to EC2

pwd 'links3'

7. Wait for the download to complete. A 100% progress notification will appear in CMD

8. Run the following command to rename the file

mv 'namefile' newName
ls

9. Install Java 22 using the command below

sudo yum install java-22
ls

10. Wait for Java 22 to be installed on the EC2 instance

11. Proceed with the following steps to run the web application

• Verify the Java version
• Launch the application

java -version
java -jar DASpring.jar
ls

12. Check the running application’s details

13. Add a port to the inbound rules in the EC2 security group.

• Click add Rule
• Select “Custom TCP” from the rule type dropdown
• Enter port 8080 in the port range field
• Set source to “Anywhere” (0.0.0.0/0 for IPv4)
• Click “Save rules” to apply the changes

Congratulations! You’ve completed deploying the E-Commerce Full-Stack application (specializing in electronics) on AWS. In the next section, we’ll test the deployed web application.