28 lines
517 B
Go
28 lines
517 B
Go
package db
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import (
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"context"
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"database/sql"
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"time"
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)
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func New(addr string, maxOpenConns, maxIdleConns int, maxIdleTime time.Duration) (*sql.DB, error) {
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db, err := sql.Open("postgres", addr)
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if err != nil {
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return nil, err
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}
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db.SetMaxOpenConns(maxOpenConns)
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db.SetMaxIdleConns(maxIdleConns)
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db.SetConnMaxIdleTime(maxIdleTime)
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := db.PingContext(ctx); err != nil {
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return nil, err
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}
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return db, nil
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}
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