feat: Gitea root creds email with nicer content

infrastructure/templates/infrastructure/emails/gitea-creds.txt

@@ -0,0 +1,15 @@
+Hello {{ username }},
+
+Congratulations on your new Gitea instance!
+
+You can use the following credentials to log into an admin account on
+your new Gitea instance. Great powers come with great responsibilities,
+so use the admin credentials wisely. When in doubt, consult the Gitea
+docs or contact support!
+
+    - username : root
+    - password: {{ gitea_password }}
+    - Gitea   {{ gitea_uri }}
+
+Cheers,
+Hostea team

infrastructure/views.py

@@ -18,8 +18,10 @@ from django.contrib.auth import authenticate, login, logout
 from django.contrib.auth import get_user_model
 from django.contrib.auth.decorators import login_required
 from django.http import HttpResponse
+from django.template.loader import render_to_string
 from django.views.decorators.csrf import csrf_protect
 from django.core.mail import send_mail
+from django.conf import settings
 from django.urls import reverse
 
 from accounts.decorators import confirm_access
@@ -52,27 +54,27 @@ def create_instance(request, instance_name: str):
     res = create_vm_if_not_exists(instance=instance)
     if res is not None:
         (gitea_password, commit) = res
-        send_mail(
-            subject="[Hostea] Gitea admin credentials",
-            message=f"""
-Congratulations on your new Gitea instance!\n
-
-You can use the following credentials to log into an admin account on
-your new Gitea instance. Great powers come with great responsibilities,
-so use the admin credentials wisely. When in doubt, consult the Gitea
-docs or contact support!\n
-
-    - username : root
-    - password: {gitea_password}
-""",
-            from_email="No reply Hostea<no-reply@exampl.org>",  # TODO read from settings.py
-            recipient_list=[request.user.email],
-        )
 
         ctx = {
+            "username": request.user.username,
             "gitea_password": gitea_password,
             "gitea_uri": Infra.get_gitea_uri(instance=instance),
         }
+
+        body = render_to_string(
+            "infrastructure/emails/gitea-creds.txt",
+            context=ctx,
+        )
+
+        sender = settings.HOSTEA["EMAIL_SENDER_ADDRESS"]
+
+        send_mail(
+            subject="[Hostea] Your Hostea instance is now online!",
+            message=body,
+            from_email=f"No reply Hostea<{sender}>",  # TODO read from settings.py
+            recipient_list=[request.user.email],
+        )
+
         return render(request, "infrastructure/html/create.html", ctx)
     return HttpResponse()