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Rust ESP compiler container Docker Repository on Quay

This is a container which can be used to build a Rust project for the ESP32.

Note: I recently noticed an issue compiling the compiler_builtins. It looks like some newly introduced issue. The workaround is to switch back to an older version of compiler_builtins in Xargo.toml:

compiler_builtins = { version = "=0.1.16" }



This container image provides a few tools which can be run like this:

docker run -ti -v $PWD:/build:z

Volume mapping

The -v $PWD:/build:z will map the current directory into the location /build inside the container. This is required so that the tools inside the container can work with the project.

The $PWD part uses the current directory. This will only work in a Bourne like shell. You can replace this with the absolute path to your project instead.

You can drop the :z suffix, if you don't have SElinux on the host system.

All following example assue that you use $PWD:/build:z.

Default command

This will run the default command build-project. You can run other commands, e.g. bash like this:

docker run -ti -v $PWD:/build:z bash


The master branch of this repository will build into the latest label, which is also the default if you omit the :latest suffix in the container name.

Each git tag will also be build into a container image tag, so e.g. git tag 0.0.1, will be built into the container tag :0.0.1.

So should the latest image break, it should always be possible to switch to a previous version.


Initially a few files need to be set up. The ESP-IDF components need to be configured and compiled. Run the following command to create an initial setup:

docker run -ti -v $PWD:/build:z create-project

This will create (overwrite) as few files which are required to build the project. Next run:

docker run -ti -v $PWD:/build:z make menuconfig

Which will start the ESP-IDF build and shows you the menu config tool for configuring your ESP project. Be sure to save when you exit.


In order to build the project, run the following command:

docker run -ti -v $PWD:/build:z

This will compile the ESP-IDF part, the rust part and finally convert it to an image which you can upload to your ESP.


You can then upload the image using an esptool on any machnine. As it might be difficult to do this from inside the container, it is recommended to do this on the host system:

esptool write_flash 0x10000 esp-app.bin

Building the container

You can also build the container image yourself, by cloning this repository and executing:

docker build . -t rust-esp


  • Use this at your own risk. No guarantees.
  • Contributions are welcome.
  • This /should/ work on MacOS the same way. But I haven't tested it.
  • A test on Windows shows that, yes it works. But with some quirks:
    • The menu make menuconfig renders a bit weird. Maybe the new Windows terminal will fix this.
    • The first make app will run just fine, but after that it fails to compile. Maybe some issue with the Windows CIFS mapping in Docker. However, you can skip this step and run xargo-project instead. That will only compile the rust part.
  • In theory this should work also with with the ESP8266. A few tweaks for the build files will be required, and I didn't test this.
  • I put this on as Docker Hub continously failed to build this image. After several hours, the build times out. On it still takes around two hours but never times out.

Also see

This work is built upn the work of others. Please see:

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