infoalloggi-monorepo/apps/backend/queries/queries.go

package queries

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

	"github.com/joho/godotenv"
)

var (
	postgres *sql.DB
)

func init() {
	_ = godotenv.Load(".env")

	var err error
	connStr := fmt.Sprintf("postgresql://%s:%s@%s:%s/%s?sslmode=disable", os.Getenv("POSTGRES_USER"), os.Getenv("POSTGRES_PASSWORD"), os.Getenv("PGHOST"), os.Getenv("PGPORT"), os.Getenv("POSTGRES_DB"))
	postgres, err = sql.Open("postgres", connStr)
	if err != nil {
		log.Fatalf("Error connecting to database: %v", err)
	}

}

func HealthCheck() bool {
	if postgres == nil {
		return false
	}
	err := postgres.Ping()
	return err == nil

}