Added /ping endpoint for testing and monitoring

README.md

@@ -4,7 +4,8 @@ Example `config.extension` file to be created in `etc` sub-directory of working
 
 ```yaml
 ---
-port: 8356
+bind: <Optional, bind/interface to listen requests on. By default localhost only>
+port: <Optional port, start service on 7777 by default>
 apps:
   example-website.tld/optional_domain_path:
     AUTH_TOKEN: <a super secret token sent in request>

src/main.rs

@@ -1,7 +1,7 @@
 /*
 Run as `RUST_LOG=debug ./deployment-api-rs`
  */
-use actix_web::{App, HttpRequest, HttpResponse, HttpServer, Responder, Result, post, web};
+use actix_web::{App, HttpRequest, HttpResponse, HttpServer, Responder, Result, get, post, web};
 use config::Config;
 use log::{debug, error, info, warn};
 use serde::Deserialize;
@@ -56,10 +56,23 @@ impl AppConfig {
 
 #[derive(Debug, Deserialize)]
 struct Settings {
+    #[serde(default = "Settings::default_bind_localhost")]
+    bind: String,
+    #[serde(default = "Settings::default_port")]
     port: u16,
     apps: HashMap<String, AppConfig>,
 }
 
+impl Settings {
+    fn default_port() -> u16 {
+        7777
+    }
+
+    fn default_bind_localhost() -> String {
+        String::from("127.0.0.1")
+    }
+}
+
 #[derive(Debug, Deserialize)]
 struct QueryParams {
     auth_token: String,
@@ -127,6 +140,11 @@ fn release_deployment_lock(request_id: &str, app_name: &str) {
     }
 }
 
+#[get("/ping")]
+async fn ping() -> impl Responder {
+    "\\\\m//"
+}
+
 #[post("/deploy")]
 async fn deploy(
     request: HttpRequest,
@@ -341,8 +359,8 @@ async fn main() -> std::io::Result<()> {
     APPS_CONFIG.get_or_init(|| settings.apps);
     APPS_DEPLOYMENT_LOCK.get_or_init(|| RwLock::new(HashSet::new()));
 
-    HttpServer::new(|| App::new().service(deploy))
-        .bind(("127.0.0.1", settings.port))?
+    HttpServer::new(|| App::new().service(deploy).service(ping))
+        .bind((settings.bind.as_str(), settings.port))?
         .run()
         .await
 }