feat: Add Dockerization support

src/config.rs

@@ -1,28 +1,28 @@
-use serde::Deserialize;
+use serde::{Deserialize, Serialize};
 use std::path::PathBuf;
 use std::fs;
 
-#[derive(Debug, Deserialize, Clone)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
 pub struct TlsConfig {
     pub enabled: bool,
     pub cert_path: PathBuf,
     pub key_path: PathBuf,
 }
 
-#[derive(Debug, Deserialize, Clone)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
 pub struct MaskingConfig {
     pub enabled: bool,
     pub headers: Vec<String>,
 }
 
-#[derive(Debug, Deserialize, Clone)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
 pub struct RouteConfig {
     pub path: String,
     pub response_file: PathBuf,
     pub status_code: u16,
 }
 
-#[derive(Debug, Deserialize, Clone)]
+#[derive(Debug, Deserialize, Serialize, Clone)]
 pub struct Config {
     pub host: String,
     pub port: u16,
@@ -41,7 +41,11 @@ impl Config {
                 })
             }
             Err(_) => {
-                Self::default()
+                let default_config = Self::default();
+                if let Ok(json) = serde_json::to_string_pretty(&default_config) {
+                    let _ = fs::write("config.json", json);
+                }
+                default_config
             }
         }
     }
@@ -50,7 +54,7 @@ impl Config {
 impl Default for Config {
     fn default() -> Self {
         Self {
-            host: "127.0.0.1".to_string(),
+            host: "0.0.0.0".to_string(),
             port: 3000,
             routes: vec![RouteConfig {
                 path: "/".to_string(),

src/main.rs

@@ -47,7 +47,14 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         .layer(axum_middleware::from_fn_with_state(state.clone(), logging_middleware))
         .with_state(state);
 
-    let addr: SocketAddr = format!("{}:{}", config.host, config.port).parse()?;
+    let mut host = config.host.clone();
+    
+    // In Docker, we usually want to bind to 0.0.0.0 to be accessible
+    if std::env::var("DOCKER_CONTAINER").is_ok() {
+        host = "0.0.0.0".to_string();
+    }
+
+    let addr: SocketAddr = format!("{}:{}", host, config.port).parse()?;
 
     // 4. Start server
     if config.tls.enabled {