fix: adjusted host regex (#39)

Author: paulobressan

.github/workflows/proxy.yml

@@ -8,6 +8,7 @@ on:
     paths:
       - ".github/workflows/proxy.yml"
       - "proxy/**"
+      - "operator/**"
 
 jobs:
   build-images:

proxy/src/proxy.rs

@@ -22,7 +22,7 @@ pub struct SubmitApiProxy {
 }
 impl SubmitApiProxy {
     pub fn new(state: Arc<State>, config: Arc<Config>) -> Self {
-        let host_regex = Regex::new(r"(dmtr_[\w\d-]+)?\.?.+").unwrap();
+        let host_regex = Regex::new(r"([dmtr_]?[\w\d-]+)?\.?.+").unwrap();
 
         Self {
             state,