Configure the maximum number of seconds a connection can persist when connecting to Cloud SQL for PostgreSQL by using the ADO.NET Connection object.
For detailed documentation that includes this code sample, see the following:
To authenticate to Cloud SQL for PostgreSQL, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.
// ConnectionIdleLifetime sets the time (in seconds) to wait before // closing idle connections in the pool if the count of all // connections exceeds MinPoolSize. connectionString.ConnectionIdleLifetime = 300;
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