Added auth, environment brief, docker for db_migrations,frontend,backend.

iotDashboard/jwt_serializers.py

@@ -0,0 +1,23 @@
+"""
+Custom JWT serializers for IoT Dashboard.
+Handles string-based user IDs instead of integer IDs.
+"""
+
+from rest_framework_simplejwt.serializers import TokenObtainPairSerializer
+from rest_framework_simplejwt.tokens import RefreshToken
+
+
+class CustomTokenObtainPairSerializer(TokenObtainPairSerializer):
+    """
+    Custom token serializer that handles string user IDs.
+    """
+    
+    @classmethod
+    def get_token(cls, user):
+        token = RefreshToken.for_user(user)
+        
+        # Add custom claims
+        token['username'] = user.username
+        token['email'] = user.email
+        
+        return token