027.mp4 , 028.mp4, 029.mp4 – Set up dev environments

create users and download their access credentials
create A group stands for developer, attach policy to group and add users into the group
create a role to stands for the EC2 instance
create security group — attach to VPC / define inbound and outbound rules (open http/https/ssh)
launch instance — select community AMI; enable public ip; attach the role created;protect against accidental termination; advanced details (put bash script) ; tag it; attach security group ; create and download keypair to access the instance
install 2 useful plugins for atom: remote-edit git-plus ; edit EC2 server file ,save refresh the page