portfolio/database/database.go

package database

import (
	"context"
	"fmt"
	"log"
	"os"
	"portfolio/database/ent"
	"strconv"

	_ "github.com/lib/pq"
)

var Client *ent.Client

func DB() {
	log.Println("Connecting to database")
	err := *new(error)

	port, parseError := strconv.ParseInt(os.Getenv("POSTGRES_PORT"), 10, 32)
	if parseError != nil {
		log.Fatalf("failed parsing .env -> port: %v", parseError)
	}
	var host = os.Getenv("POSTGRES_HOST")
	var user = os.Getenv("POSTGRES_USER")
	var dbname = os.Getenv("POSTGRES_DB")
	var password = os.Getenv("POSTGRES_PASSWORD")
	var ssl = os.Getenv("SSL_MODE")

	psqlInfo := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s",
		host, port, user, password, dbname, ssl)

	Client, err = ent.Open("postgres", psqlInfo)
	if err != nil {
		log.Fatalf("failed opening connection to postgres: %v", err)
	}
	// Run the auto migration tool.
	if err := Client.Schema.Create(context.Background()); err != nil {
		log.Fatalf("failed creating schema resources: %v", err)
	}
	log.Println("Successfully connected to Postgres database!")
}