improved start sequence, fixed user update

radius/Dockerfile

@@ -18,5 +18,7 @@ COPY . .
 # Expose RADIUS port (UDP)
 EXPOSE 1812/udp
 
+COPY wait-for-db.py .
+
 # Run the RADIUS service
-CMD ["python", "main.py"]
+CMD ["sh", "-c", "python wait-for-db.py && python main.py"]

radius/wait-for-db.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+import time
+import os
+import mysql.connector
+from mysql.connector import Error
+
+host = os.getenv("DB_HOST", "db")
+port = int(os.getenv("DB_PORT", "3306"))
+user = os.getenv("DB_USER")
+password = os.getenv("DB_PASSWORD")
+database = os.getenv("DB_NAME")
+
+timeout = 60  # seconds
+start_time = time.time()
+
+print(f"⏳ Waiting for DB at {host}:{port} to be ready...")
+
+while True:
+    try:
+        conn = mysql.connector.connect(
+            host=host,
+            port=port,
+            user=user,
+            password=password,
+            database=database
+        )
+        if conn.is_connected():
+            print("✅ Database is ready!")
+            conn.close()
+            break
+    except Error as e:
+        print(f"🛑 DB not ready yet: {e}")
+    time.sleep(2)
+    if time.time() - start_time > timeout:
+        print("❌ Timeout waiting for the database.")
+        exit(1)