From the course: AWS Essential Training for Developers

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Static addresses with Elastic IPs

Static addresses with Elastic IPs - Amazon Web Services (AWS) Tutorial

From the course: AWS Essential Training for Developers

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Static addresses with Elastic IPs

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- Because we told AWS that each of our instances could have a public IP address, AWS randomly assigned a public IP to each of our servers, which is written here in red. And now, our computers are accessible from the public internet through the internet gateway that they created for us. But the only catch with these public IP addresses is that if you stop the instance, which is kind of like pulling power to the server, and then you start it back up again later, it's going to go to Amazon's pool of IP addresses and get a new public IP. Now, if you've hard coded your IP address anywhere, such as in your DNS records, which we'll get into DNS later, then you'll need to go through and update everything with your new public IP address. Now, if this happens randomly in the middle of the night, which it can, especially if AWS is trying to recover an instance due to a hardware failure, then your site's going to be down until you…

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