Dekoke is a youth exponent from
Saint-Étienne. He made his first team debut on 16 December 2015 against
Paris Saint-Germain playing the full
Coupe de la Ligue match. On 27 July 2016, he signed a three-year contract with
Amiens. He made just one
Ligue 2 appearance and one Coupe de la Ligue appearance in the 2016–17 season, and by October 2017 had not made any appearances for the senior team in the 2017–18 season. He joined
US Boulogne on loan until the end of the season on 20 October 2017. He was loaned out again, for the 2018–19 season, to
US Avranches. Having been released by Amiens, Dekoke signed for
AS Lyon-Duchère in January 2020. The club was rebranded
Sporting Club Lyon in June 2020. On 15 July 2022, Dekoke signed with
FBBP01. ==Personal life==