FROM golang:alpine as builder

ENV GO111MODULE=on

ENV USER=appuser
ENV UID=1000
RUN adduser \
    --disabled-password \
    --gecos "" \
    --home "/nonexistent" \
    --shell "/sbin/nologin" \
    --no-create-home \
    --uid "${UID}" \
    "${USER}"

RUN apk update && apk add --no-cache git ca-certificates tzdata sqlite build-base
RUN mkdir /build
COPY . /build/
WORKDIR /build

COPY ./ ./
RUN CGO_ENABLED=1 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o bog .

FROM scratch AS final
LABEL author="Cajually <me@caj.me>"

COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
COPY --from=builder /etc/passwd /etc/passwd
COPY --from=builder /etc/group /etc/group

COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=builder /build/bog /
COPY --from=builder /build/server/views /server/views
COPY --from=builder /build/default.toml /

WORKDIR /

USER appuser:appuser
ENTRYPOINT ["/bog"]

EXPOSE 8002