# syntax=docker/dockerfile:1

FROM golang:alpine AS builder

ENV VERSION 0.1.0
ENV CGO_ENABLED 0
ENV GOOS linux
ENV BUILD_DIR /build

RUN mkdir -p ${BUILD_DIR}
WORKDIR ${BUILD_DIR}

RUN adduser --system --no-create-home --uid 1000 --shell /sbin/nologin app

COPY go.* ./
COPY *.go ./
RUN go build -v -o / ./...

FROM scratch

USER app

EXPOSE 3000

HEALTHCHECK --timeout=3s CMD /snice healthcheck

COPY --from=builder /etc/passwd /etc/passwd
COPY --from=builder /snice /

ENTRYPOINT ["/snice"]
CMD ["serve"]