Set connection pool and overflow limits when using HikariCP

Configure the connection pool size and overflow when connecting to Cloud SQL for PostgreSQL by using the HikariCP JDBC connection pool library.

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Code sample


// maximumPoolSize 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.
// minimumIdle is the minimum number of idle connections Hikari maintains in the pool.
// Additional connections will be established to meet this value unless the pool is full.

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