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heroku / buildpacks-nodejs

Heroku's Cloud Native Buildpacks for Node.js applications.
BSD 3-Clause "New" or "Revised" License
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Automatically detected processes with a Procfile #908

Open joshwlewis opened 3 months ago

joshwlewis commented 3 months ago

Consider an app with an index.js and a Procfile with contents like:

worker: node index.js

When running a build with heroku/builder:24, this results an image with two processes:

web: node index.js
worker: bash -c node index.js

This is probably unexpected for the user. There is an extra process, and the extra web process is unlikely to accept http connections anyway.

My feeling is that we should probably avoid adding processes if we know the the procfile buildpack was detected and is part of the build plan.

joshwlewis commented 3 months ago

Related issue: https://github.com/heroku/buildpacks-go/issues/85