init

main.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"github.com/gofiber/fiber/v2"
+)
+
+// Hardcoded redirect rules
+var (
+	// Host-based redirects
+	hostRedirects = map[string]string{
+		"mail.terrible.dev": "https://mail.tommyparnell.com",
+	}
+
+	// Path-based redirects
+	pathRedirects = map[string]string{
+		"/test": "https://blog.terrible.dev",
+	}
+)
+
+func redirectHandler(c *fiber.Ctx) error {
+	// Get the actual host, checking X-Forwarded-Host first
+	host := c.Get("X-Forwarded-Host")
+	if host == "" {
+		host = c.Hostname()
+	}
+
+	// Check for host-based redirects first
+	if redirectURL, exists := hostRedirects[host]; exists {
+		return c.Redirect(redirectURL, fiber.StatusMovedPermanently)
+	}
+
+	// Get the actual path, checking X-Forwarded-Uri first
+	path := c.Get("X-Forwarded-Uri")
+	if path == "" {
+		path = c.Path()
+	}
+
+	// Check for path-based redirects
+	if redirectURL, exists := pathRedirects[path]; exists {
+		return c.Redirect(redirectURL, fiber.StatusMovedPermanently)
+	}
+
+	// If no redirect rule matches, return 404
+	return c.SendStatus(fiber.StatusNotFound)
+}
+
+func main() {
+	// Create Fiber app with minimal configuration for lowest memory usage
+	app := fiber.New(fiber.Config{
+		Prefork:          false,
+		DisableKeepalive: false,
+		ServerHeader:     "",
+		AppName:          "redirect",
+	})
+
+	// Use a single handler function to minimize memory overhead
+	app.All("*", redirectHandler)
+
+	// Start server on port 8080
+	if err := app.Listen(":8080"); err != nil {
+		panic(err)
+	}
+}