Create an EC2 instance for Spring boot application

Create EC2

Lets create an EC2 instance. Goto EC2 dashboard and click on “Launch Instance”

Select Amazon Linux 2 or any AMI you wish

Select the Instance Type and click Next. We are going with free tier here:

Next screen :

Start with 1 instance
Network – select joan-vpc
Subet – Either one
Other options leave for now

Select the default assigned storage on next screen and click next

You may add name in next page if you wish

Create a security group in the next screen. Lets add a new rule for our application port 8080 and click on "Review and Launch"

Create a new pair and download key pair

Elastic IP

From the left menu, select "Elastic IP" and click on "Allocate Elastic IP address". Click on “Amazon Pool” and select "Allocate"

Next screen, Associate the address with ec2 instance

Now the ec2 will have the public IP address associated

Connecting via SSH

Unix/Mac can connect from Terminal. Windows might need Putty/ConEmu. Unix, you might need to first set right permissions to the key file

chmod 400 joan-keys.pem

Now ssh and update libraries first

# ssh -i joan-keys.pem ec2-user@
The authenticity of host ' (' can't be established.
ECDSA key fingerprint is SHA256:BNvCp1MsHDQDM9LGNKajJlB6/kXTfswdKvxjty0LWA4.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '' (ECDSA) to the list of known hosts.

       __|  __|_  )
       _|  (     /   Amazon Linux 2 AMI


       __|  __|_  )
       _|  (     /   Amazon Linux 2 AMI

[ec2-user@ip-10-0-0-64 ~]$ sudo yum update

sudo yum update