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Add hints on how to cache builds

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Eric Kidd 2018-07-09 09:08:59 -04:00
parent 79804c01e6
commit 7119ebae22
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@ -22,6 +22,20 @@ Binaries will be written to `target/$TARGET_ARCHITECTURE/release`. By default it
With a bit of luck, you should be able to just copy your application binary from `target/x86_64-unknown-linux-musl/release`, and install it directly on any reasonably modern x86_64 Linux machine. In particular, you should be able make static release binaries using TravisCI and GitHub, or you can copy your Rust application into an [Alpine Linux container][]. See below for details!
## Caching builds
You may be able to speed up build performance by adding the following `-v` commands to the `rust-musl-builder` alias:
```
-v cargo-git:/home/rust/.cargo/git -v cargo-registry:/home/rust/.cargo/registry
```
You will also need to fix the permissions on the mounted volumes:
```sh
rust-musl-builder sudo chown -R rust:rust /home/rust/.cargo/git /home/rust/.cargo/registry
```
## How it works
`rust-musl-builder` uses [musl-libc][], [musl-gcc][], and the new [rustup][] `target` support. It includes static versions of several libraries: