outposts: only show proxy providers

docs/outposts/deploy-docker-compose.md

@@ -15,6 +15,6 @@ services:
       - 4443:4443
     environment:
       PASSBOOK_HOST: https://your-passbook.tld
-      PASSBOOK_INSECURE: 'true'
+      PASSBOOK_INSECURE: 'false'
       PASSBOOK_TOKEN: token-generated-by-passbook
 ```

passbook/admin/templates/administration/outpost/list.html

@@ -50,7 +50,7 @@
                 {% for outpost in object_list %}
                 <tr role="row">
                     <th role="columnheader">
-                        <a href="{% url 'passbook_outposts:setup' outpost_pk=outpost.pk %}">{{ outpost.name }}</a>
+                        <span>{{ outpost.name }}</span>
                     </th>
                     <td role="cell">
                         <span>

passbook/outposts/forms.py

@@ -4,8 +4,8 @@ from django import forms
 from django.utils.translation import gettext_lazy as _
 
 from passbook.admin.fields import CodeMirrorWidget, YAMLField
-from passbook.core.models import Provider
 from passbook.outposts.models import Outpost
+from passbook.providers.proxy.models import ProxyProvider
 
 
 class OutpostForm(forms.ModelForm):
@@ -13,7 +13,7 @@ class OutpostForm(forms.ModelForm):
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        self.fields["providers"].queryset = Provider.objects.all().select_subclasses()
+        self.fields["providers"].queryset = ProxyProvider.objects.all()
 
     class Meta: