Elastic Beanstalk stuck for more than 12 hrs

I think you need to specify what Elastic Beanstalk environment that you use (see: Supported Platforms), because different environment has different configuration.

Basically, you need to customize:

• Elastic Load Balancer:
  • Listen on port 80 and proxy it to EC2 instance port 80.
  • Listen on port 443 and proxy it to EC2 instance port 443.
• EC2 Web Server/Proxy:
  • Listen on port 80 and response with redirect to HTTPS.
  • Listen on port 443 and serve the request.

To customized it, you can use CLI or .ebextensions.

You can check on Enable HTTPS and HTTP-Redirect on AWS Elastic Beanstalk. It tells you how to configure Elastic Beanstalk Single Docker Container serve HTTPS and HTTP (redirect to HTTPS). You can adjust the config as your need.

Currently, there's no easy way to suspend an environment. There's also no easy way to have a maintenance page for your environment while your instances are down.

When you set the number of instances to 0, the instances will terminate but you'll have to do this all manually as the EB console does not allow an entry of 0. You can do this by running this:

as-update-auto-scaling-group YourAutoScalingGroupID --min-size 0 --max-size 0 --desired-capacity 0

This, however, only terminates your instances. Everything else is still running, like your ELB. You can then change it back to your previous settings when you're done.