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Merge pull request #1638 from mkinney/doc-fixes-for-rust 

update doc to show working example
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Tianon Gravi 2020-01-15 11:26:40 -08:00 committed by GitHub
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rust/content.md
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@ -33,18 +33,18 @@ $ docker run -it --rm --name my-running-app my-rust-app
This creates an image that has all of the rust tooling for the image, which is 1.8gb. If you just want the compiled application:
```dockerfile
FROM rust:1.39 as builder
FROM rust:1.40 as builder
WORKDIR /usr/src/myapp
COPY . .
RUN cargo install --path .
FROM debian:buster-slim
RUN apt-get update && apt-get install -y libssl
COPY --from=builder /usr/src/myapp /usr/local/bin/myapp
RUN apt-get update && apt-get install -y extra-runtime-dependencies
COPY --from=builder /usr/local/cargo/bin/myapp /usr/local/bin/myapp
CMD ["myapp"]
```
Note: Some shared libraries may need to be installed as shown in the installation of the libssl line above.
Note: Some shared libraries may need to be installed as shown in the installation of the `extra-runtime-dependencies` line above.
This method will create an image that is less than 200mb. If you switch to using the Alpine-based rust image, you might be able to save another 60mb.