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https://issues.apache.org/jira/browse/ARROW-9359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17157358#comment-17157358
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Jorge edited comment on ARROW-9359 at 7/14/20, 1:22 PM:
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One idea that I often use:
{code}
# use specific version here to freeze layer
FROM rust:1.44.1-buster AS backend-builder
# freeze the version for deterministic builds
RUN rustup update nightly-2020-07-03 && rustup default nightly-2020-07-03
# Compile a dummy program, so that the dependencies are compiled and cached on
a layer
# see https://stackoverflow.com/a/58474618/931303 for details
RUN echo "fn main() {}" > dummy.rs
## if cargo.lock or cargo changes, we trigger a build of all dependencies.
COPY backend/Cargo.lock backend/Cargo.toml /
RUN sed -i 's@src/main...@dummy.rs@' Cargo.toml
RUN cargo build --release
RUN sed -i 's...@dummy.rs@src/main.rs@' Cargo.toml
# compile the actual program
COPY ...
RUN cargo build --release
{code}
was (Author: jorgecarleitao):
One idea that I often use:
{code:docker}
# use specific version here to freeze layer
FROM rust:1.44.1-buster AS backend-builder
# freeze the version for deterministic builds
RUN rustup update nightly-2020-07-03 && rustup default nightly-2020-07-03
# Compile a dummy program, so that the dependencies are compiled and cached on
a layer
# see https://stackoverflow.com/a/58474618/931303 for details
RUN echo "fn main() {}" > dummy.rs
## if cargo.lock or cargo changes, we trigger a build of all dependencies.
COPY backend/Cargo.lock backend/Cargo.toml /
RUN sed -i 's@src/main...@dummy.rs@' Cargo.toml
RUN cargo build --release
RUN sed -i 's...@dummy.rs@src/main.rs@' Cargo.toml
# compile the actual program
COPY ...
RUN cargo build --release
{code}
> [Rust][Dev] Cache packages and/or compilation in docker images
> --------------------------------------------------------------
>
> Key: ARROW-9359
> URL: https://issues.apache.org/jira/browse/ARROW-9359
> Project: Apache Arrow
> Issue Type: Wish
> Components: Developer Tools, Rust
> Reporter: Antoine Pitrou
> Priority: Major
>
> To improve the local development experience, it would be nice if the Docker
> setup for Rust builds could cache packages from run to run.
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