FROM rust:alpine AS build

# Fix missing crti.o by adding muslc devlibs
RUN apk add --no-cache musl-dev

WORKDIR /usr/src

COPY . .

ENV CARGO_HOME=/tmp/cargo

RUN --mount=type=cache,target=/usr/src/target --mount=type=cache,target=/tmp/cargo cargo build --release
RUN --mount=type=cache,target=/usr/src/target cp /usr/src/target/release/nyans /tmp/nyans

FROM alpine:latest AS runtime

RUN apk add --no-cache bind bind-tools

COPY --from=build /tmp/nyans /usr/bin/nyans

EXPOSE 53/tcp
EXPOSE 53/udp
EXPOSE 2137/tcp

ENV ROCKET_ADDRESS=0.0.0.0
ENV ROCKET_PORT=2137


ENTRYPOINT [ "/usr/bin/nyans" ]