Refactor Docker and Django configuration

- Update Dockerfile to use Python 3.11-slim and optimize build steps
- Remove Dockerfile.prod and update docker-compose.yml
- Remove entrypoint.sh and twilio dependency
- Modify Django settings for production security and configuration
- Update user serializer to include group permissions
- Enhance CSRF and SSL configuration settings

api/serializers.py

@@ -1,6 +1,7 @@
 from knox.models import AuthToken
 from django.contrib.auth import authenticate
 from api.models import User, Atoll, Island
+from django.contrib.auth.models import Permission
 
 from rest_framework import serializers
 
@@ -11,10 +12,20 @@ class CustomUserSerializer(serializers.ModelSerializer):
     user_permissions = serializers.SerializerMethodField()
 
     def get_user_permissions(self, instance):
-        permission_ids = instance.user_permissions.all()
+        # Fetch user's direct permissions
+        user_permissions = instance.user_permissions.all()
+
+        # Fetch permissions from groups
+        group_permissions = instance.groups.values_list("permissions", flat=True)
+
+        # Combine both permissions
+        all_permissions = user_permissions | Permission.objects.filter(
+            id__in=group_permissions
+        )
+
         return [
             {"id": permission.id, "name": permission.name}
-            for permission in permission_ids
+            for permission in all_permissions.distinct()
         ]
 
     class Meta:  # type: ignore
@@ -22,10 +33,11 @@ class CustomUserSerializer(serializers.ModelSerializer):
         fields = (
             "id",
             "username",
-            "email",
             "user_permissions",
+            "id_card",
             "first_name",
             "last_name",
+            "email",
             "last_login",
             "date_joined",
             "is_superuser",