# Build the ProtonMail Bridge.
FROM golang:1.15-alpine as build
ENV LANG C.UTF-8
RUN apk add --no-cache \
      curl \
      gcc \
      git \
      libsecret-dev \
      make \
      musl-dev
WORKDIR /usr/src

ARG RELEASE
ARG TAG
RUN if [ -n "$RELEASE" ]; then \
         echo "Using release $RELEASE..." \
      && curl -L -s "https://github.com/ProtonMail/proton-bridge/archive/$RELEASE.tar.gz" | tar zx \
      && ln -s "proton-bridge-$RELEASE" proton-bridge \
      && cd proton-bridge \
  ; else \
         git clone https://github.com/ProtonMail/proton-bridge.git proton-bridge \
      && cd proton-bridge \
      && if [ -n "$TAG" ]; then echo "Using tags/$TAG..."; git checkout tags/$TAG; fi \
  ; fi \
 && make build-nogui

# Create a container for the ProtonMail Bridge.
FROM alpine:edge
ENV LANG C.UTF-8

EXPOSE 25/tcp
EXPOSE 143/tcp

COPY --from=build /usr/src/proton-bridge/proton-bridge /bin/proton-bridge
COPY entrypoint /bin/
COPY initproton /bin/
RUN apk add --no-cache \
      libsecret \
      pass \
      socat \
      su-exec \
 && chmod +x /bin/entrypoint \
 && chmod +x /bin/initproton

WORKDIR /var/lib/proton

ENTRYPOINT ["/bin/entrypoint"]
CMD ["/bin/initproton"]