Add `DEFAULT_WEBSITE` and `PROTECTION` env var #158

Job	Run time
test	3m 51s
build-and-push-base-no-s6	6m 31s
build-and-push-base	6m 40s
build-and-push-pg	1m 3s
build-and-push-cron-no-s6	1m 50s
build-and-push-manager-no-s6	4m 56s
build-and-push-ssoaas-fastcgi-server-no-s6	2m 28s
build-and-push-portal-no-s6	5m 25s
build-and-push-manager	4m 52s
build-and-push-ssoaas-fastcgi-server	2m 39s
build-and-push-cron	2m 5s
build-and-push-portal	4m 53s
build-and-push-full	3m 11s
build-and-push-full-no-s6	3m 31s
build-and-push-dev	2m 10s
	56m 5s

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