We defined serverless applications as highly available applications because-within the SLA- there are always some servers that are available for your functions and they are even scaling up and down according to the capacity you need. On the other hand, it is always good idea to set up a automized health checks, so you can always monitor the health of your application and also you can monitor the latency, so you can make sure that all your endpoints are working properly.
Setting up a Route53 health check
Starting off with the setup
In this section, we will first see how to set up a health check for one of our endpoints with latency graphs. First, we will do this using AWS Console; then we will write a CloudFormation block to...