Question

Undefined variable with Laravel app hosted in App Platform

I’m attempting to deploy a Laravel 8 app that uses a managed MySQL database to App Platform but seeing this error during deployment:

2023-01-08T16:12:58.283405616Z │        > Illuminate\Foundation\ComposerScripts::postAutoloadDump
2023-01-08T16:12:58.365340624Z │        > @php artisan package:discover --ansi
2023-01-08T16:13:01.437590868Z │        
2023-01-08T16:13:01.461467698Z │        In Connection.php line 712:
2023-01-08T16:13:01.461502691Z │                                                                                       
2023-01-08T16:13:01.461505582Z │          Undefined variable $host (SQL: select * from information_schema.tables wher  
2023-01-08T16:13:01.461507874Z │          e table_schema = website and table_name = errors and table_type = 'BASE TAB  
2023-01-08T16:13:01.461522132Z │          LE')                                                                         
2023-01-08T16:13:01.461527037Z │                                                                                       
2023-01-08T16:13:01.461529776Z │        
2023-01-08T16:13:01.466120248Z │        In MySqlConnector.php line 154:
2023-01-08T16:13:01.466140089Z │                                    
2023-01-08T16:13:01.466143440Z │          Undefined variable $host  
2023-01-08T16:13:01.466146446Z │                                    
2023-01-08T16:13:01.466150226Z │        

I’ve added the database to the app which set the DATABASE_URL environment variable and configured the trusted source. The app runs fine locally and can connect to this database without issue.

Any idea what I’ve missed?


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KFSys
Site Moderator
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January 9, 2023

Hi @scottmetoyer,

Can you please post the Environment Variables you’ve configured on your App Platform?

If unsure, you can follow this Doc on how to define them :

https://docs.digitalocean.com/products/app-platform/how-to/use-environment-variables/