FROM alpine:latest as env

RUN apk --update add ca-certificates
RUN addgroup -S gpio-webhook && adduser -S gpio-webhook -G gpio-webhook


FROM golang:1.14 AS build

WORKDIR /src
COPY . /src/
RUN make build


FROM scratch

ENTRYPOINT ["/srv/gpio-webhook-server"]
USER gpio-webhook
EXPOSE 7200

COPY --from=env /etc/passwd /etc/group /etc/
COPY --from=build --chown=gpio-webhook /src/build/ /srv/
COPY --from=env /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt