ARG GOVERSION=latest
FROM golang:$GOVERSION AS builder

WORKDIR /src
COPY . .

ENV CGO_ENABLED=0
ENV BUILD_HOST=syncthing.net
ENV BUILD_USER=docker
RUN rm -f stupgrades && go run build.go build stupgrades

FROM alpine

EXPOSE 8080

COPY --from=builder /src/stupgrades /bin/stupgrades

ENTRYPOINT [ \
	"/bin/stupgrades", \
	"-f", "/nightly.json->https://build.syncthing.net/guestAuth/repository/download/Release_Nightly/.lastSuccessful/nightly.json", \
	"-f", "/syncthing-macos/appcast.xml->https://build.syncthing.net/guestAuth/repository/download/SyncthingMacOS_CreateAppcastXml/.lastSuccessful/appcast.xml" \
	]