include all subdomains

handlers/proxy.go

@@ -209,9 +209,11 @@ func fetchRule(domain string, path string) Rule {
 	rule := Rule{}
 	for _, rule := range rulesSet {
 		domains := rule.Domains
-		domains = append(domains, rule.Domain)
+		if rule.Domain != "" {
+			domains = append(domains, rule.Domain)
+		}
 		for _, ruleDomain := range domains {
-			if ruleDomain == domain {
+			if ruleDomain == domain || strings.HasSuffix(domain, ruleDomain) {
 				if len(rule.Paths) > 0 && !StringInSlice(path, rule.Paths) {
 					continue
 				}

handlers/types.go

@@ -8,7 +8,7 @@ type Regex struct {
 type RuleSet []Rule
 
 type Rule struct {
-	Domain  string   `yaml:"domain"`
+	Domain  string   `yaml:"domain,omitempty"`
 	Domains []string `yaml:"domains,omitempty"`
 	Paths   []string `yaml:"paths,omitempty"`
 	Headers struct {