Set connection pool and overflow limits when using Node.js

Demonstrates configuring the connection pool size and overflow when connecting to Cloud SQL for SQL Server using the Node.js mssql module.

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Code sample

Node.js

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

  // 'max' limits the total number of concurrent connections this pool will keep. Ideal
  // values for this setting are highly variable on app design, infrastructure, and database.
  (config.pool.max = 5);
// 'min' is the minimum number of idle connections maintained in the pool.
// Additional connections will be established to meet this value unless the pool is full.
config.pool.min = 1;

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