Bootstrapping node in docker

It always seems to take me a few attempts to get this right, so I’m making a note here:

docker run -it -v $PWD:/app -w /app node:12-alpine npm init

You may need to chown the package.json after (the docker daemon runs as root).

You can use the same thing to add packages:

docker run -it -v $PWD:/app -w /app node:12-alpine npm i --save foo

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