Using YARN

[FoksVHox]

@nebulon Yes. I can confirm this has something to do with the version of Yarn not being Yarn v2.

[nebulon]

Actually to take a step back, from your package.json it looks like there is nothing yarn specific, couldn't you just use npm there instead?

[FoksVHox]

@nebulon said in Using YARN:

Actually to take a step back, from your package.json it looks like there is nothing yarn specific, couldn't you just use npm there instead?

Well I could, however, npm is often way slower than yarn is.

[nebulon]

@FoksVHox actually I have mixed experience there since some npm releases. But either way would a few seconds make much difference in your case compared to it working?

[FoksVHox]

@nebulon I've tried to use npm but it seems that it won't work either.

[nebulon]

@FoksVHox is there any other error with npm?

[FoksVHox]

@nebulon There is:

EACCES: permission denied, open '/app/data/lectero/public/build/assets/app.22fa980f.js'
error during build:
Error: EACCES: permission denied, open '/app/data/lectero/public/build/assets/app.22fa980f.js'

[nebulon]

@FoksVHox seems like a permission issue then. Make sure that the user, with whom you are running npm, has write access to those folders.

[girish]

@FoksVHox If you are running as www-data user, you have to chown -R www-data:www-data /app/data/public

[girish]

Was just investigating this a bit. What I found is that yarn wants to write as root user into /usr/local/share/.yarnrc. This is reported upstream as bug https://github.com/yarnpkg/yarn/issues/4628

Workaround (you can put this in /app/data/.bashrc if you like):

export YARN_DISABLE_SELF_UPDATE_CHECK="true"

After this, I am able to install easily:

root@38e05e7c-8aee-426e-85ef-a577d080c39c:/app/data/public# yarn add safetydance
yarn add v1.22.17
warning package.json: No license field
warning Skipping preferred cache folder "/usr/local/share/.cache/yarn" because it is not writable.
warning Selected the next writable cache folder in the list, will be "/tmp/.yarn-cache-0".
warning No license field
[1/4] Resolving packages...
[2/4] Fetching packages...
[3/4] Linking dependencies...
[4/4] Building fresh packages...

success Saved lockfile.
warning No license field
success Saved 1 new dependency.
info Direct dependencies
└─ safetydance@2.2.0
info All dependencies
└─ safetydance@2.2.0
Done in 1.15s.
root@38e05e7c-8aee-426e-85ef-a577d080c39c:/app/data/public#

[FoksVHox]

@girish Will you update the thread once the issue has been resolved?

[girish]

@FoksVHox Will do. I am subscribed to that issue, but it's open for 5 years now, so I have no hope

[charlesnw]

Is yarn no longer included?

root@ab0364d2-83f6-46cd-96c5-f9c329d24af7:/app/data/public# yarn --version
bash: yarn: command not found
root@ab0364d2-83f6-46cd-96c5-f9c329d24af7:/app/data/public#

[james]

Hello @charlesnw
With this commit: https://git.cloudron.io/platform/docker-base-image/-/commit/2e4f7fd5fde83652567dd0a00a695f523bef98d1 yarn was removed from the docker base image.
So yes, yarn is no longer included in any app by default.