Question

'Apps' always builds Node app with cache node_modules despite changes to package.json

Posted on December 20, 2020
DigitalOcean App Platform
Asked by John Foderaro

Hello -

I am new to the Digital Ocean Apps platform and I am having an issue related to when the instance begins building my Node application. The issue is related to previously cached node_modules during the build process. I have added a few modules but builds via DO do not reflect these module changes, as DO continues to use a cached version of node_modules (as seen in the logs, I believe related to Docker and Buildpack?). The package-lock.json is checked in, but I am unsure if this would resolve the issue or not.

How do I clear this cache to ensure the DO environment does not use cached assets?

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Kamal Nasser

DigitalOcean Employee

• December 21, 2020

Accepted Answer

👋🏼 @JohnFoderaro

Looking at your app’s build logs, it seems to be using Yarn instead of NPM to install dependencies. If a yarn.lock file exists, App Platform will use Yarn, even if a package-lock.json file exists.

Make sure you commit the dependency updates to yarn.lock or remove it entirely if you don’t need it. This will invalidate the existing cache and install the right dependencies. Let me know if that works!