Retry a failed connection when using Node.js

Retry a failed connection when connecting to Cloud SQL for MySQL by using the Node.js npm mysql module.

Explore further

For detailed documentation that includes this code sample, see the following:

• Manage database connections

Code sample

Node.js

To authenticate to Cloud SQL for MySQL, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

// The mysql module automatically uses exponential delays between failed
// connection attempts.

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