Add Docker support with retry logic and custom cookie path

src/main.rs

@@ -432,13 +432,32 @@ async fn main() -> Result<()> {
         .set(PeerMap::new(HashMap::new()))
         .expect("PeerMap initialization failed");
 
-    // Connect the rpc daemon
-    DAEMON
-        .set(Mutex::new(Box::new(Daemon::connect(
-            config.core_wallet,
-            config.core_url,
+    // Connect the rpc daemon with retry logic
+    let cookie_path = config.get_cookie_path().ok();
+    let mut retry_count = 0;
+    const MAX_RETRIES: u32 = 5;
+    const RETRY_DELAY_MS: u64 = 2000; // 2 seconds initial delay
+    
+    let daemon = loop {
+        match Daemon::connect(
+            config.core_wallet.clone(),
+            config.core_url.clone(),
             config.network,
-        )?)))
+        ) {
+            Ok(daemon) => break daemon,
+            Err(e) => {
+                retry_count += 1;
+                if retry_count >= MAX_RETRIES {
+                    return Err(e.context("Failed to connect to Bitcoin Core after multiple attempts"));
+                }
+                log::warn!("Failed to connect to Bitcoin Core (attempt {}/{}): {}", retry_count, MAX_RETRIES, e);
+                std::thread::sleep(std::time::Duration::from_millis(RETRY_DELAY_MS * retry_count));
+            }
+        }
+    };
+    
+    DAEMON
+        .set(Mutex::new(Box::new(daemon)))
         .expect("DAEMON initialization failed");
 
     let current_tip: u32 = DAEMON