Find it on the Docker Hub and the GitHub Container Registry.
For typical use cases, see the official image.
This image has two tags, nightly and nightly-slim, which are updated every
day to match the current Rust nightly. The nightly tag is configured
identically to that of the latest tag of the official image, except that the
nightly toolchain is selected via rustup. The nightly-slim tag is configured
identically to that of the slim tag of the official image, except that the
nightly toolchain is selected via rustup.