Question

Connecting to Managed Database with Functions in App Platform

Hello, I’m fairly new to Digital Ocean and Managed Databases and I’ve been having some trouble getting things wired up.

I created an App using the App Platform and have a Managed Database and a handful of Functions in it. I am trying to get one of the Functions to write data to the Managed Database and have been unsuccessful so far. Can anyone provide some steps or documentation on this? Specifically, I am confused about what environment variables are available at runtime and how to use them to connect to the databases within my Managed Database.


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👋 @mattalco

Sorry to hear you’re having trouble. We have some documentation on managing databases, though it sounds like you may be past that.

With regard to variables, bind variables can be used to inject credentials for connecting to a database. For example, if you have a database resource called “my-db” you could add an environment variable to your app (or a sub component) with the value:

Key: DB_URL Value: ${my-db.DATABASE_URL}

From within your app the environment variable $DB_URL will contain the connection string for your database. Pass that to your DB client of choice and you should be able to read and write.