Mastering GitLab 12

The root module explained – main.tf

At the top of the file, you will see the different sites that are defined, all of which call the GitLab module in the modules/services/ directory.

The first site is the main site that's located in the EU. The GitLab module takes several arguments that allow us to specify different settings for each site:

module "gitlab_eu" { source = "modules/services/gitlab/" region = "eu-central-1" instance_type = "t2.medium" vpc_cidr_block = "10.0.0.0/16" subnet_frontend_cidr_block = "10.0.1.0/24"}

The secondary Geo site is going to be in the US, on the West Coast. We also chose a different internal subnet to make it different from the EU one:

module "gitlab_us" { source = "modules/services/gitlab/" region = "us-west-2" ...