bill-server-go/internal/infrastructure/mariadb.go

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package infrastructure
import (
"database/sql"
"time"
)
// This function is used to connect to MariaDB.
func ConnectToMariaDB() (*sql.DB, error) {
// Connect to MariaDB.
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db, err := sql.Open("mysql", "root:@tcp(mariadb:3306)/bill")
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if err != nil {
return nil, err
}
// Set up important parts as was told by the documentation.
db.SetConnMaxLifetime(time.Minute * 3)
db.SetMaxOpenConns(10)
db.SetMaxIdleConns(10)
// Return our database instance.
return db, nil
}