database setup

.gitignore

@@ -1,6 +1,9 @@
 # ---> Go
 # If you prefer the allow list template instead of the deny list, see community template:
 # https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+# Manual
+go-crud
+.env
 #
 # Binaries for programs and plugins
 *.exe

initializers/database.go

@@ -0,0 +1,21 @@
+package initializers
+
+import (
+	"log"
+	"os"
+
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+)
+
+var DB *gorm.DB
+
+func ConnectToDB() {
+	var err error
+	dsn := os.Getenv("DB_URL")
+	DB, err = gorm.Open(postgres.Open(dsn), &gorm.Config{})
+
+	if err != nil {
+		log.Fatal("Fail to connect to DB")
+	}
+}

initializers/loadEnvVariables.go

@@ -0,0 +1,16 @@
+package initializers
+
+import (
+	"log"
+
+	"github.com/joho/godotenv"
+)
+
+func LoadEnvVariables() {
+	err := godotenv.Load()
+
+	if err != nil {
+		log.Fatal("Error loading .env file")
+	}
+
+}

main.go

@@ -1,19 +1,15 @@
 package main
 
 import (
-	"log"
 	"net/http"
 
+	"gitea.sitodosi.com/betology/go-crud/initializers"
 	"github.com/gin-gonic/gin"
-	"github.com/joho/godotenv"
 )
 
 func init() {
-	err := godotenv.Load()
-	if err != nil {
-		log.Fatal("Error loading .env file")
-	}
-
+	initializers.LoadEnvVariables()
+	initializers.ConnectToDB()
 }
 
 func main() {