Docker run multiple commands asynchronously and kill both if one fails

Question

I have an angular production build running in a docker container and I would like to run the ng build and ng lint asynchronously.

I saw this answer which means my command would look like ng build --prod & ng lint. The problem is that if the first command fails before the second command finishes, my execution keeps running. (ex: The lint bombs after 10s because of a missed semicolon, but the build finishes after 6 minutes successfully. My command says it was successful even though my lint failed and continues to publish). My solution around this is to have ng build --prod && ng lint but this takes more time to finish.

Is there a way to have both commands run asynchronously and if one of the executions bomb out then the whole command stops?

did you explore github.com/mysticatea/npm-run-all/blob/HEAD/docs/npm-run-all.md — Aakash Garg
– Aakash Garg, Commented May 19, 2021 at 16:19
You'd generally run those commands in your Dockerfile, not in a standalone container. A RUN command will fail the image build if it exits with a failing status. — David Maze
– David Maze, Commented May 19, 2021 at 16:29
@AakashGarg that is exactly what I'm looking for. If you want to submit it as an answer, I will accept it in a couple hours to see if there is a solution that doesn't involve a 3rd party library. — rhavelka
– rhavelka, Commented May 19, 2021 at 16:36
@DavidMaze I am running ENTRYPOINT in my Dockerfile which runs a script from my package.json that lints and build everything for me. My RUN basically sets up a linux environment for me to build in. — rhavelka
– rhavelka, Commented May 19, 2021 at 16:38
That rebuilds your application every time you launch the container, and especially when you're talking about multi-minute builds that seems incredibly inefficient. — David Maze
– David Maze, Commented May 19, 2021 at 17:00

Aakash Garg · Accepted Answer · 2021-05-19 16:40:23Z

1

Please go for something like :-

https://github.com/mysticatea/npm-run-all/blob/HEAD/docs/npm-run-all.md

It gives you various options which will be usefull in all current and future scenarios.

answered May 19, 2021 at 16:40

Aakash Garg

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