August 2019
Beginner
608 pages
16h 7m
English
This is a public internet-facing interface with a Fully Qualified Domain Name (FQDN), and it routes requests from internet hosts to EC2 instances that have been registered with it. It has some built-in monitoring capabilities and a health check mechanism. For instance, it checks the HTTP port of the EC2 instances that are registered by default; however, in our case, that leads to trouble because the main GitLab page on the first boot always redirects. When this happens, the health check reports out of service and closes the port. We can change this to let the load balancer do a basic Transmission Control Protocol (TCP) health check only.
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