from django.http import HttpResponseRedirect
from django.contrib import messages
from django.shortcuts import get_object_or_404
from django.views.decorators.http import require_POST

@require_POST
def enqueue(request, config_id):
    config = get_object_or_404(request.user.configs, pk=config_id)

    config.builds.create()

    messages.add_message(request, messages.INFO,
        "Build enqueued.")

    return HttpResponseRedirect(config.get_absolute_url())

from django.http import HttpResponseRedirect
from django.contrib import messages
from django.shortcuts import get_object_or_404
from django.views.decorators.http import require_POST

@require_POST
def enqueue(request, config_id):
    config = get_object_or_404(request.user.configs, pk=config_id)

    config.builds.create()

    messages.add_message(request, messages.INFO,
        "Build enqueued. You will receive an email when the build completes.")

    return HttpResponseRedirect(config.get_absolute_url())

Make it clearer that you get an email when the build completes
Make it clearer that you get an email when the build completes
