FreePad/src/models/database/database.go

package database

import (
	"database/sql"
	"fmt"
	"os"
	"time"

	_ "github.com/go-sql-driver/mysql"
)

func GetConn() (*sql.DB, error) {

	user := os.Getenv("MYSQL_USER")
	password := os.Getenv("MYSQL_PASSWORD")
	dburl := os.Getenv("MYSQL_URL")
	dbname := os.Getenv("MYSQL_DATABASE")

	db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s)/%s", user, password, dburl, dbname))

	if err != nil {
		return nil, err
	}

	// Set options
	db.SetConnMaxLifetime(time.Minute * 5)
	db.SetMaxOpenConns(10)
	db.SetMaxIdleConns(10)

	return db, nil
}