add django-dbconn-retry library (#1262)

CHANGELOG.md

@@ -5,6 +5,17 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Added
+
+- Add [`django-dbconn-retry` library](https://github.com/jdelic/django-dbconn-retry) to `INSTALLED_APPS` to attempt
+  to alleviate occasional `django.db.utils.OperationalError` errors
+
+### Changed
+
+### Fixed
+
 ## v1.1.20 (2023-01-30)
 
 ### Added

engine/requirements.txt

@@ -45,4 +45,5 @@ opentelemetry-instrumentation-celery==0.36b0
 opentelemetry-instrumentation-pymysql==0.36b0
 opentelemetry-instrumentation-wsgi==0.36b0
 opentelemetry-exporter-otlp-proto-grpc==1.15.0
-pyroscope-io==0.8.1
+pyroscope-io==0.8.1
+django-dbconn-retry==0.1.7

engine/settings/base.py

@@ -220,6 +220,7 @@ INSTALLED_APPS = [
     "social_django",
     "polymorphic",
     "fcm_django",
+    "django_dbconn_retry",
 ]
 
 REST_FRAMEWORK = {