Fix prometheus unapplied_migrations false positives

{{cookiecutter.repostory_name}}/app/envs/prod/entrypoint.sh

@@ -3,8 +3,8 @@
 # We assume that WORKDIR is defined in Dockerfile
 
 ./prometheus-cleanup.sh
-./manage.py wait_for_database --timeout 10
+PROMETHEUS_EXPORT_MIGRATIONS=0 ./manage.py wait_for_database --timeout 10
 # this seems to be the only place to put this for AWS deployments to pick it up
-./manage.py migrate
+PROMETHEUS_EXPORT_MIGRATIONS=0 ./manage.py migrate
 
 gunicorn -c gunicorn.conf.py

{{cookiecutter.repostory_name}}/app/src/{{cookiecutter.django_project_name}}/settings.py

@@ -141,7 +141,7 @@ def wrapped(*args, **kwargs):
 ]
 
 {%- if cookiecutter.monitoring == "y" %}
-PROMETHEUS_EXPORT_MIGRATIONS = True
+PROMETHEUS_EXPORT_MIGRATIONS = env.bool("PROMETHEUS_EXPORT_MIGRATIONS", default=True)
 {%- endif %}
 {%- if cookiecutter.monitor_view_execution_time_in_djagno == "y" and cookiecutter.monitoring == "y" %}
 PROMETHEUS_LATENCY_BUCKETS = (
@@ -536,4 +536,4 @@ def configure_structlog():
     },
     {%- endfor %}
 }
-{%- endif %}
+{%- endif %}

{{cookiecutter.repostory_name}}/app/src/{{cookiecutter.django_project_name}}/{{cookiecutter.django_default_app_name}}/metrics.py

@@ -7,7 +7,6 @@
 from django.conf import settings
 from django.http import HttpResponse
 from django_prometheus.exports import ExportToDjangoView
-from django_prometheus.migrations import ExportMigrations
 from prometheus_client import multiprocess
 
 from ..celery import get_num_tasks_in_queue
@@ -26,8 +25,6 @@ def collect(self):
 
 def metrics_view(request):
     """Exports metrics as a Django view"""
-    # Export Django migration metrics
-    ExportMigrations()
     if os.environ.get(ENV_VAR_NAME):
         registry = prometheus_client.CollectorRegistry()
         RecursiveMultiProcessCollector(registry)
@@ -47,4 +44,4 @@ def metrics_view(request):
     )
     num_tasks_in_queue[queue.name] = gauge
     gauge.set_function(partial(get_num_tasks_in_queue, queue.name))
-{% endif %}
+{% endif %}