FROM rust:1.33-slim AS rustbuild

WORKDIR /build

RUN rustup target add x86_64-unknown-linux-musl

ENV USER root

ENV CARGO_INSTALL_ROOT /build/

RUN mkdir -p /build/bin

RUN bash -c "cd /tmp/; cargo new --bin index; cd index; echo 'test_crate_hello_world = \"0.1.2\"' >> Cargo.toml; cargo build; cd /tmp; rm -rf index"

FROM rustbuild AS eventbuild

WORKDIR /build

RUN cargo new --lib wg-event-gen

COPY wg-event-gen/Cargo.* /build/wg-event-gen/

WORKDIR /build/wg-event-gen

RUN cargo build --target x86_64-unknown-linux-musl

COPY wg-event-gen/src/ /build/wg-event-gen/src/

RUN cargo install --debug --path .  --target x86_64-unknown-linux-musl


FROM rustbuild AS boringbuild

RUN cargo new --bin boringtun && touch boringtun/src/lib.rs

COPY boringtun/Cargo.* /build/boringtun/

WORKDIR /build/boringtun

RUN cargo build && rm -rf src Cargo.*

COPY boringtun/ /build/boringtun/

RUN cargo install --path . --debug


FROM frolvlad/alpine-glibc

RUN echo http://nl.alpinelinux.org/alpine/edge/testing >> /etc/apk/repositories && apk --no-cache add wireguard-tools bash nload

ENV WG_I_PREFER_BUGGY_USERSPACE_TO_POLISHED_KMOD=1

COPY --from=eventbuild /build/bin/wg-event-gen /usr/bin/

COPY --from=boringbuild /build/bin/boringtun /usr/bin/

COPY init.sh /init.sh

RUN chmod +x /init.sh && echo 'alias nload="nload ${WG_INTERFACE:-wg0}"' >> /root/.bashrc

VOLUME /etc/wireguard/

EXPOSE 51820/udp

ENTRYPOINT /init.sh