Added middleware to let excluded files skip middleware chain

middleware/excluded.go

@@ -0,0 +1,25 @@
+package middleware
+
+import (
+	"net/http"
+	"strings"
+)
+
+var excludedFiles = map[string]bool{
+	"/static/css/output.css": true,
+}
+
+// Checks is path requested if for an excluded file and returns the file
+// instead of passing the request onto the next middleware
+func ExcludedFiles(next http.Handler) http.Handler {
+	return http.HandlerFunc(
+		func(w http.ResponseWriter, r *http.Request) {
+			if excludedFiles[r.URL.Path] {
+				filePath := strings.TrimPrefix(r.URL.Path, "/")
+				http.ServeFile(w, r, filePath)
+			} else {
+				next.ServeHTTP(w, r)
+			}
+		},
+	)
+}