Elastic Load Balancer (ELB)

In this section, we are going to replace the Apache with the ELB and also add an SSL certificate as shown in the following diagram:

As we did in the previous section for the RDS, it is convenient here to replace a software installed in an EC2 machine with a managed service. 

We will benefit from the following features:

  • Deploy and reliability on multiple AZs
  • A web interface to manage the proxy instead of the Apache configuration files
  • A fully manageable service that doesn't need to perform software upgrades 
  •  Scalability to handle requests (pre-warming is requested in some scenarios)
  • Ease of storing logs on an S3 ...

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