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package main
import (
"database/sql"
"fmt"
"log"
)
func connectToDatabase() {
log.Println("[Database] Initializing the database connection")
db = connectToDB()
db.SetMaxOpenConns(75)
pingDB()
}
// connectToDB returns a pointer to an sql database writing to the database
func connectToDB() *sql.DB {
//connStr := fmt.Sprintf("user=%s dbname=%s sslmode=%s", DBUSER, DBNAME, DBSSLMODE)
connStr := fmt.Sprintf("host=%s port=%d user=%s "+
"password=%s dbname=%s sslmode=disable",
DBHOST, DBPORT, DBUSER, DBPASSWD, DBNAME)
db := dbConnect(connStr)
return db
}
// dbConnect connects to a PostgreSQL database
func dbConnect(connStr string) *sql.DB {
// connect to the database
db, err := sql.Open("postgres", connStr)
if err != nil {
log.Fatalf("[ E ] connection: %v", err)
}
return db
}
func pingDB() {
// ping the db
err := db.Ping()
if err != nil {
panic(err)
}
log.Println("[ ] Done Pinging the DB")
}
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