config: default http options

src/config.rs

@@ -2,12 +2,30 @@ use rustical_frontend::FrontendConfig;
 use rustical_store::auth::StaticUserStoreConfig;
 use serde::{Deserialize, Serialize};
 
+fn http_default_host() -> String {
+    "0.0.0.0".to_owned()
+}
+fn http_default_port() -> u16 {
+    4000
+}
+
 #[derive(Debug, Deserialize, Serialize)]
 pub struct HttpConfig {
+    #[serde(default = "http_default_host")]
     pub host: String,
+    #[serde(default = "http_default_port")]
     pub port: u16,
 }
 
+impl Default for HttpConfig {
+    fn default() -> Self {
+        Self {
+            host: http_default_host(),
+            port: http_default_port(),
+        }
+    }
+}
+
 #[derive(Debug, Deserialize, Serialize)]
 pub struct SqliteDataStoreConfig {
     pub db_url: String,
@@ -34,6 +52,7 @@ pub struct TracingConfig {
 pub struct Config {
     pub data_store: DataStoreConfig,
     pub auth: AuthConfig,
+    #[serde(default)]
     pub http: HttpConfig,
     pub frontend: FrontendConfig,
     #[serde(default)]