chore(proxy): added ogmios dns

Author: paulobressan

proxy/src/config.rs

@@ -8,6 +8,7 @@ pub struct Config {
     pub proxy_tiers_poll_interval: Duration,
     pub prometheus_addr: String,
     pub ogmios_port: u16,
+    pub ogmios_dns: String,
     pub ssl_crt_path: PathBuf,
     pub ssl_key_path: PathBuf,
 }
@@ -39,6 +40,7 @@ impl Config {
                 .expect("OGMIOS_PORT must be set")
                 .parse()
                 .expect("OGMIOS_PORT must a number"),
+            ogmios_dns: env::var("OGMIOS_DNS").expect("OGMIOS_DNS must be set"),
         }
     }
 }

proxy/src/proxy.rs

@@ -281,7 +281,11 @@ impl ProxyRequest {
         let network = captures.get(2)?.as_str().to_string();
         let version = captures.get(3)?.as_str().to_string();
 
-        let instance = format!("ogmios-{network}-{version}:{}", state.config.ogmios_port);
+        let instance = format!(
+            "ogmios-{network}-{version}.{}:{}",
+            state.config.ogmios_dns, state.config.ogmios_port
+        );
+
         let namespace = state.config.proxy_namespace.clone();
 
         let protocol = get_header(hyper_req, UPGRADE.as_str())