im kinda new to setting up cloud architectures, im tasked with improving the current ci cd process and infrastructure, our plateforme has a multi tenant architecture with 4 frontends Vuejs, one backend node/expresjs (running in a docker container), serving multiple clients, now ive set up an EC2 for stg, another one for DEV and next another one for production and im assuming a replica to implement a BLUE/GREEN deployments.. ive set up a ci cd workflow with github acitons to deploy to each ec2.