Symfony Frequently Asked Questions (FAQ)

How do I store my session files?

If you get the following error:

failed: Read-only file system (30) in /app/app/cache/dev/classes.php line 420

that's because Symfony is trying to write into: /var/lib/php5/ which is read-only.

The solution is to mount a sessions folder into Platform.sh and write sessions in that folder.

Simply edit your .platform.app.yaml and add a mounts there:

mounts:
...
    "/app/sessions": "shared:files/sessions"
...

Then, add this line at the top of your app_dev.php:

ini_set('session.save_path', __DIR__.'/../app/sessions' );

Why does my newly cloned Symfony install throw errors?

You may encounter the WSOD (white screen of death) when you first clone a new Symfony project from your platform. This is likely because of missing dependencies.

You will need to install composer first and then run the following command:

cd my_project_name/
composer install

Why do I get 'Permission denied' in a deploy hook?

If you get the following error during a deploy hook:

Launching hook 'app/console cache:clear'.
/bin/dash: 1: app/console: Permission denied

This means that you might have committed the executable file (in this case app/console) without the execute bit set.

Run this to fix the problem:

chmod a+x app/console
git add app/console
git commit -m "Fix the console script execute permission."

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