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[build] add new dockerfiles for building from source (#244)

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* add new dockerfiles

* update default ubuntu base images

* updates

* update comment

* update cargo command

Co-authored-by: Pim <pimlie@hotmail.com>

* update cargo command

Co-authored-by: Pim <pimlie@hotmail.com>

* specify binary

* use label instead of maintainer

---------

Co-authored-by: Pim <pimlie@hotmail.com>
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Vivek 2025-02-02 19:10:12 -08:00 • committed by GitHub
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# supported versions here: https://hub.docker.com/_/rust
ARG ALPINE_VERSION=3.20
########################
## builder image
########################
FROM rust:alpine${ALPINE_VERSION} AS builder
RUN apk add --no-cache musl-dev
WORKDIR /redlib
# download (most) dependencies in their own layer
COPY Cargo.lock Cargo.toml ./
RUN mkdir src && echo "fn main() { panic!(\"why am i running?\") }" > src/main.rs
RUN cargo build --release --locked --bin redlib
RUN rm ./src/main.rs && rmdir ./src
# copy the source and build the redlib binary
COPY . ./
RUN cargo build --release --locked --bin redlib
RUN echo "finished building redlib!"
########################
## release image
########################
FROM alpine:${ALPINE_VERSION} AS release
# Import redlib binary from builder
COPY --from=builder /redlib/target/release/redlib /usr/local/bin/redlib
# Add non-root user for running redlib
RUN adduser --home /nonexistent --no-create-home --disabled-password redlib
USER redlib
# Document that we intend to expose port 8080 to whoever runs the container
EXPOSE 8080
# Run a healthcheck every minute to make sure redlib is functional
HEALTHCHECK --interval=1m --timeout=3s CMD wget --spider --q http://localhost:8080/settings || exit 1
# Add container metadata
LABEL org.opencontainers.image.authors="sigaloid"
CMD ["redlib"]

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# supported versions here: https://hub.docker.com/_/rust
ARG RUST_BUILDER_VERSION=slim-bookworm
ARG UBUNTU_RELEASE_VERSION=noble
########################
## builder image
########################
FROM rust:${RUST_BUILDER_VERSION} AS builder
WORKDIR /redlib
# download (most) dependencies in their own layer
COPY Cargo.lock Cargo.toml ./
RUN mkdir src && echo "fn main() { panic!(\"why am i running?\") }" > src/main.rs
RUN cargo build --release --locked --bin redlib
RUN rm ./src/main.rs && rmdir ./src
# copy the source and build the redlib binary
COPY . ./
RUN cargo build --release --locked --bin redlib
RUN echo "finished building redlib!"
########################
## release image
########################
FROM ubuntu:${UBUNTU_RELEASE_VERSION} AS release
# Install ca-certificates
RUN apt-get update && apt-get install -y ca-certificates
# Import redlib binary from builder
COPY --from=builder /redlib/target/release/redlib /usr/local/bin/redlib
# Add non-root user for running redlib
RUN useradd \
--no-create-home \
--password "!" \
--comment "user for running redlib" \
redlib
USER redlib
# Document that we intend to expose port 8080 to whoever runs the container
EXPOSE 8080
# Run a healthcheck every minute to make sure redlib is functional
HEALTHCHECK --interval=1m --timeout=3s CMD wget --spider --q http://localhost:8080/settings || exit 1
# Add container metadata
LABEL org.opencontainers.image.authors="sigaloid"
CMD ["redlib"]