FROM alpine:3.14.2 AS build RUN apk add --no-cache g++ libx11-dev make WORKDIR /repo COPY . . RUN make # RUN make && chmod a+x ./xkblayout-state # Export to a minimal runtime image and run as an unprivileged user. FROM alpine:3.14.2 RUN apk add --no-cache libstdc++ libx11 USER 1000:1000 WORKDIR /repo COPY --from=build --chown=1000:1000 /repo/xkblayout-state . ENTRYPOINT ["./xkblayout-state"]