To authenticate

1. Install gcloud sdk on your computer
2. Run gcloud init to setup your gcloud sdk on your terminal

To obtain OAuth before running terraform apply run below to obtain a 1 hour token

export GOOGLE_OAUTH_ACCESS_TOKEN=$(gcloud auth print-access-token)
terraform apply

Guide on accurate tracking

Items to fill

1. Variables in tfvars
2. Fill up projectId in modules/snowplow_collector/config/application.config and bucket_name in modules/snowplow_collector/config/startup_script.sh
3. Variables in modules/snowplow_enrich/config/startup_script.sh. If unsure about version number, find the latest version from here
4. Ensure enrichments in modules/snowplow_enrich/config is properly filled if planning to use, i.e referer_parser.json and bigquery_config.json