first try

wagfarm-api/database/db.go

@@ -0,0 +1,32 @@
+package database
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+)
+
+var DB *gorm.DB
+
+func Connect() {
+	dbUser := os.Getenv("DB_USER")
+	dbPassword := os.Getenv("DB_PASSWORD")
+	dbHost := os.Getenv("DB_HOST")
+	dbPort := os.Getenv("DB_PORT")
+	dbName := os.Getenv("DB_NAME")
+
+	dsn := fmt.Sprintf(
+		"%s:%s@tcp(%s:%s)/%s?parseTime=true",
+		dbUser, dbPassword, dbHost, dbPort, dbName,
+	)
+
+	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
+	if err != nil {
+		log.Fatalf("Failed to connect to database: %v", err)
+	}
+
+	DB = db
+}