1	FROM rust:1.73 as build
2
3	ENV CARGO_BUILD_TARGET=x86_64-unknown-linux-musl
4
5	ENV DEBIAN_FRONTEND=noninteractive
6	RUN \
7	apt-get update && \
8	apt-get -y install ca-certificates musl-tools && \
9	rustup target add ${CARGO_BUILD_TARGET}
10
11	ENV PKG_CONFIG_ALLOW_CROSS=1
12
13	# Use Tini as our PID 1. This will enable signals to be handled more correctly.
14	#
15	# Note that this can't be downloaded inside the scratch container as we have no
16	# chmod command.
17	#
18	# TODO: Use `--init` instead when it is more well-supported (this should be the
19	# case by Jan 1, 2020).
20	ENV TINI_VERSION v0.18.0
21	ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini-static /tini
22	RUN chmod +x /tini
23
24	# Build the real project.
25	COPY ./ ./
26
27	RUN cargo build --release
28
29	RUN \
30	mkdir -p /build && \
31	cp target/${CARGO_BUILD_TARGET}/release/rudolfs /build/ && \
32	strip /build/rudolfs
33
34	# Use scratch so we can get an itty-bitty-teeny-tiny image. This requires us to
35	# use musl when building the application.
36	FROM scratch
37
38	EXPOSE 8080
39	VOLUME ["/data"]
40
41	COPY --from=build /tini /tini
42
43	COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
44
45	COPY --from=build /build/ /
46
47	ENTRYPOINT ["/tini", "--", "/rudolfs"]
48	CMD ["--cache-dir", "/data"]