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docker-crystal

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Shell script for running crystal via the official crystal-lang docker images.

Installation

Get docker-crystal.sh (clone this repo or download).

Ensure that it's executable.

chmod +x ./docker-crystal.sh

Add it to you PATH

ln -s $(pwd)/docker-crystal.sh ~/bin/docker-crystal

Usage

Use docker-crystal in the exact same way you would use the crystal command.

docker-crystal spec
docker-crystal build

In place of using (or even requiring) a locally installed version, it will spin up an ephemeral container. The version used is (in order of priority) CRYSTAL_VERSION env var, the crystal version in shard.yml, or latest. Any build artifacts or docs generated will appear in the local file system as though they had been built natively.