# Default to Go 1.17 ARG GO_VERSION=1.17 FROM golang:${GO_VERSION}-alpine as build # Necessary to run 'go get' and to compile the linked binary RUN apk add git musl-dev ADD . /go/src/github.com/dutchcoders/transfer.sh WORKDIR /go/src/github.com/dutchcoders/transfer.sh ENV GO111MODULE=on # build & install server RUN CGO_ENABLED=0 go build -tags netgo -ldflags "-X github.com/dutchcoders/transfer.sh/cmd.Version=$(git describe --tags) -a -s -w -extldflags '-static'" -o /go/bin/transfersh ARG PUID=5000 \ PGID=5000 \ RUNAS RUN mkdir -p /tmp/useradd /tmp/empty && \ if [ ! -z "$RUNAS" ]; then \ echo "${RUNAS}:x:${PUID}:${PGID}::/nonexistent:/sbin/nologin" >> /tmp/useradd/passwd && \ echo "${RUNAS}:!:::::::" >> /tmp/useradd/shadow && \ echo "${RUNAS}:x:${PGID}:" >> /tmp/useradd/group && \ echo "${RUNAS}:!::" >> /tmp/useradd/groupshadow; else touch /tmp/useradd/unused; fi FROM scratch AS final LABEL maintainer="Andrea Spacca " ARG RUNAS COPY --from=build /tmp/empty /tmp COPY --from=build /tmp/useradd/* /etc/ COPY --from=build --chown=${RUNAS} /go/bin/transfersh /go/bin/transfersh COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt USER ${RUNAS} ENTRYPOINT ["/go/bin/transfersh", "--listener", ":8080"] EXPOSE 8080