Add {{ .Values.service.port }} to K8S service URL

[eli-halych]

If I change the port variable in values.yaml, that might affect the reachability of service endpoints.

[coveralls]

Pull Request Test Coverage Report for Build 1824478818

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+1.3%) to 80.603%

---

Totals
Change from base Build 1794918164:	1.3%
Covered Lines:	428
Relevant Lines:	531

---

💛 - Coveralls

[djboris9]

LGTM, thanks!