definepapersize[book][width=120mm,height=190mm]
setuppapersize[book]

usemodule[simplefonts][size=10pt]
setmainfont[EB Garamond 12][expansion=quality,protrusion=quality]

setupalign[hanging]

showframe

starttext

setuppagenumbering[alternative=doublesided,location={footer,marginedge}]
setupinterlinespace[medium]

Bla bla bla

stoptext