EX-31 Rule 13a-14(d)/15d-14(d) Certifications.





I, Scott Epperson, certify that:



1. I have reviewed this report on Form 10-K and all reports on
Form 10-D required to be filed in respect of the period covered by this report
on Form 10-K of the GS Mortgage Securities Trust 2017-GS8 (the "Exchange
Act periodic reports");



2. Based on my knowledge, the Exchange Act periodic reports, taken
as a whole, do not contain any untrue statement of a material fact or omit to
state a material fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not misleading with
respect to the period covered by this report;



3. Based on my knowledge, all of the distribution, servicing and
other information required to be provided under Form 10-D for the period
covered by this report is included in the Exchange Act periodic reports;



4. Based on my knowledge and the servicer compliance statements
required in this report under Item 1123 of Regulation AB, and except as
disclosed in the Exchange Act periodic reports, the servicers have fulfilled
their obligations under the servicing agreements in all material respects; and



5. All of the reports on assessment of compliance with servicing
criteria for asset-backed securities and their related attestation reports on
assessment of compliance with servicing criteria for asset-backed securities
required to be included in this report in accordance with Item 1122 of
Regulation AB and Exchange Act Rules 13a-18 and 15d-18 have been included as an
exhibit to this report, except as otherwise disclosed in this report. Any
material instances of noncompliance described in such reports have been
disclosed in this report on Form 10-K.



In giving the certifications above, I have reasonably relied on
information provided to me by the following unaffiliated parties:



Wells Fargo Bank, National Association, as Master Servicer,
Midland Loan Services, a Division of PNC Bank, National Association, as Special
Servicer, Wilmington Trust, National Association, as Trustee, Wells Fargo Bank,
National Association, as Certificate Administrator, Wells Fargo Bank, National
Association, as Custodian, Pentalpha Surveillance LLC, as Operating Advisor,
CoreLogic Solutions, LLC, as Servicing Function Participant, Computershare
Trust Company, National Association, as Servicing Function Participant for the
Certificate Administrator, Computershare Trust Company, National Association,
as Servicing Function Participant for the Custodian, Wells Fargo Bank, National
Association, as Primary Servicer for the Westin Palo Alto Mortgage Loan, Hudson
Americas L.P., as Special Servicer for the Westin Palo Alto Mortgage Loan,
Wilmington Trust, National Association, as Trustee for the Westin Palo Alto Mortgage
Loan, Wells Fargo Bank, National Association, as Custodian for the Westin Palo
Alto Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function Participant
for the Westin Palo Alto Mortgage Loan, Computershare Trust Company, National
Association, as Servicing Function Participant for the Custodian for the Westin
Palo Alto Mortgage Loan, KeyBank National Association, as Primary Servicer for
the Olympic Tower Mortgage Loan, Green Loan Services LLC, as Special Servicer
for the Olympic Tower Mortgage Loan on and after June 22, 2022, Wells Fargo
Bank, National Association, as Trustee for the Olympic Tower Mortgage Loan,
Wells Fargo Bank, National Association, as Custodian for the Olympic Tower
Mortgage Loan, Computershare Trust Company, National Association, as Servicing
Function Participant for the Custodian for the Olympic Tower Mortgage Loan,
Wells Fargo Bank, National Association, as Primary Servicer for the Loma Linda
Mortgage Loan, Rialto Capital Advisors, LLC, as Special Servicer for the Loma
Linda Mortgage Loan, Wilmington Trust, National Association, as Trustee for the
Loma Linda Mortgage Loan, Wells Fargo Bank, National Association, as Custodian
for the Loma Linda Mortgage Loan, Park Bridge Lender Services LLC, as Operating
Advisor for the Loma Linda Mortgage Loan, CoreLogic Solutions, LLC, as
Servicing Function Participant for the Loma Linda Mortgage Loan, Computershare
Trust Company, National Association, as Servicing Function Participant for the
Custodian for the Loma Linda Mortgage Loan, Wells Fargo Bank, National
Association, as Primary Servicer for the Petco Corporate Headquarters Mortgage
Loan, Rialto Capital Advisors, LLC, as Special Servicer for the Petco Corporate
Headquarters Mortgage Loan, Wilmington Trust, National Association, as Trustee
for the Petco Corporate Headquarters Mortgage Loan, Wells Fargo Bank, National
Association, as Custodian for the Petco Corporate Headquarters Mortgage Loan,
Park Bridge Lender Services LLC, as Operating Advisor for the Petco Corporate
Headquarters Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function
Participant for the Petco Corporate Headquarters Mortgage Loan, Computershare
Trust Company, National Association, as Servicing Function Participant for the
Custodian for the Petco Corporate Headquarters Mortgage Loan, Wells Fargo Bank,
National Association, as Primary Servicer for the 90 Fifth Avenue Mortgage
Loan, Rialto Capital Advisors, LLC, as Special Servicer for the 90 Fifth Avenue
Mortgage Loan, Wilmington Trust, National Association, as Trustee for the 90
Fifth Avenue Mortgage Loan, Wells Fargo Bank, National Association, as
Custodian for the 90 Fifth Avenue Mortgage Loan, Park Bridge Lender Services
LLC, as Operating Advisor for the 90 Fifth Avenue Mortgage Loan, CoreLogic
Solutions, LLC, as Servicing Function Participant for the 90 Fifth Avenue
Mortgage Loan, Computershare Trust Company, National Association, as Servicing
Function Participant for the Custodian for the 90 Fifth Avenue Mortgage Loan,
Wells Fargo Bank, National Association, as Primary Servicer for the Long Island
Prime Portfolio - Uniondale Mortgage Loan, Rialto Capital Advisors, LLC, as
Special Servicer for the Long Island Prime Portfolio - Uniondale Mortgage Loan,
Wilmington Trust, National Association, as Trustee for the Long Island Prime
Portfolio - Uniondale Mortgage Loan, Wells Fargo Bank, National Association, as
Custodian for the Long Island Prime Portfolio - Uniondale Mortgage Loan, Park
Bridge Lender Services LLC, as Operating Advisor for the Long Island Prime
Portfolio - Uniondale Mortgage Loan, CoreLogic Solutions, LLC, as Servicing
Function Participant for the Long Island Prime Portfolio - Uniondale Mortgage
Loan, Computershare Trust Company, National Association, as Servicing Function
Participant for the Custodian for the Long Island Prime Portfolio - Uniondale
Mortgage Loan, Wells Fargo Bank, National Association, as Primary Servicer for
the Shops at Boardman Mortgage Loan, Rialto Capital Advisors, LLC, as Special
Servicer for the Shops at Boardman Mortgage Loan, Wilmington Trust, National
Association, as Trustee for the Shops at Boardman Mortgage Loan, Wells Fargo
Bank, National Association, as Custodian for the Shops at Boardman Mortgage
Loan, Park Bridge Lender Services LLC, as Operating Advisor for the Shops at Boardman
Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function Participant for
the Shops at Boardman Mortgage Loan, Computershare Trust Company, National
Association, as Servicing Function Participant for the Custodian for the Shops
at Boardman Mortgage Loan, Wells Fargo Bank, National Association, as Primary
Servicer for the Starwood Lodging Hotel Portfolio Mortgage Loan, Wells Fargo
Bank, National Association, as Special Servicer for the Starwood Lodging Hotel
Portfolio Mortgage Loan, U.S. Bank National Association, as Trustee for the
Starwood Lodging Hotel Portfolio Mortgage Loan prior to October 17, 2022, U.S.
Bank Trust Company, National Association, as Trustee for the Starwood Lodging
Hotel Portfolio Mortgage Loan on and after October 17, 2022, U.S. Bank National
Association, as Custodian for the Starwood Lodging Hotel Portfolio Mortgage
Loan, CoreLogic Solutions, LLC, as Servicing Function Participant for the
Starwood Lodging Hotel Portfolio Mortgage Loan, Wells Fargo Bank, National
Association, as Primary Servicer for the Worldwide Plaza Mortgage Loan, Situs
Holdings, LLC, successor to Cohen Financial, a Division of Truist Bank,
successor by merger to SunTrust Bank, as Special Servicer for the Worldwide
Plaza Mortgage Loan, Wilmington Trust, National Association, as Trustee for the
Worldwide Plaza Mortgage Loan, Wells Fargo Bank, National Association, as
Custodian for the Worldwide Plaza Mortgage Loan, Park Bridge Lender Services
LLC, as Operating Advisor for the Worldwide Plaza Mortgage Loan, CoreLogic
Solutions, LLC, as Servicing Function Participant for the Worldwide Plaza
Mortgage Loan, Computershare Trust Company, National Association, as Servicing
Function Participant for the Custodian for the Worldwide Plaza Mortgage Loan,
Wells Fargo Bank, National Association, as Primary Servicer for the Esperanza
Mortgage Loan, Rialto Capital Advisors, LLC, as Special Servicer for the
Esperanza Mortgage Loan, Wilmington Trust, National Association, as Trustee for
the Esperanza Mortgage Loan, Wells Fargo Bank, National Association, as
Custodian for the Esperanza Mortgage Loan, Pentalpha Surveillance LLC, as
Operating Advisor for the Esperanza Mortgage Loan, CoreLogic Solutions, LLC, as
Servicing Function Participant for the Esperanza Mortgage Loan, and Computershare
Trust Company, National Association, as Servicing Function Participant for the
Custodian for the Esperanza Mortgage Loan.







Dated:
March 17, 2023





/s/ Scott Epperson

Scott Epperson

Chief Executive Officer

(senior
officer in charge of securitization of the depositor)