Sample of an AWS EC2
userdata script that install
apache and automatically creates an
index.html file as a landing webpage with information about the instance -
region. This could also be used with launch configuration on an Auto Scaling Group (
ASG) to use as multiple instance on Elastic Load Balancing load balancer (
ALB) to easy show the usage of multiple instances behind the load balancer.
Other samples on AWS
Sample EC2 with webserver - https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/user-data.html
SAmple EC2 metadata - https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-identity-documents.html
If you tried it and helped you understand better how it works, please leave a comment.