Question

Job component in app platform to run rails migrations and this error occurs - URI::InvalidURIError: bad URI(is not URI?): ${db.DATABASE_URL}

I have a rails app with a managed development database and I am trying to add a job to migrate my rails app before each deploy.

I set the environment variable DATABASE_URL with a value of ${db.DATABASE_URL}.

But it seems like the connection parameters are not being passed and instead is passing a string directly which causes this error.

URI::InvalidURIError: bad URI(is not URI?): ${db.DATABASE_URL}

How can I pass the database connection parameters correctly in a job?

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Bobby Iliev
Site Moderator
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• June 27, 2022

Hi there Drew,

Is the name of your database db? The syntax is the following:

${<NAME_OF_YOUR_DATABASE>.DATABASE_URL}

If you’ve named your database differently, you need to change the db part accordingly to match your database name.

Let me know how it goes:

Best,

Bobby

Sergio Turpín • June 24, 2022

Hi @DrewTerry

Try to define your DATABASE_URL as follows:

<%= ENV['DATABASE_URL'] %>

Then you must create the environment variable in .bashrc file:

$ nano ~/.bashrc

Puts your DATABASE_URL variable at the end of the file:

export DATABASE_URL="postgres://user:pass@localhost/dbname"

Finally, saves file and execute the content of the file:

$ source ~/.bashrc

Hope helps you,

Sergio Turpín

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