Amazon Lightsail is a low cost VPS(virtual private server) service launched by Amazon Web Services(AWS). Launching an instance become very easy for non-technical people. With Lightsail you can launch a virtual machine preconfigured with SSD-based storage, DNS management, and a static IP address with a few simple clicks.
Step 1: Choose your instance operating system. Right now you can choose between Amazon Linux and Ubuntu 16.
Or you can choose between preconfigured applications and stacks
Step 2: Enter your launch script if you have any, you want to execute when servers boots for the first time.
To know visit tutorial link : How to Launch Amazon Lightsail Server