diff --git a/Dockerfile b/Dockerfile
index 975bdfa5ea..16335a7663 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,8 +12,9 @@ RUN pip install -r requirements.txt
COPY . /app/
-RUN SECRET_KEY=dummy-build-secret python manage.py collectstatic --noinput
+RUN SECRET_KEY="$(python -c 'import secrets; print(secrets.token_urlsafe(50))')" \
+ python manage.py collectstatic --noinput
EXPOSE 8000
-CMD ["gunicorn", "oc_lettings_site.wsgi:application", "--bind", "0.0.0.0:8000"]
\ No newline at end of file
+CMD ["gunicorn", "oc_lettings_site.wsgi:application", "--bind", "0.0.0.0:8000", "--worker-class", "gthread", "--workers", "2", "--threads", "2", "--timeout", "30", "--access-logfile", "-"]
diff --git a/lettings/templates/lettings/index.html b/lettings/templates/lettings/index.html
index bbbe6478d8..5934d609ea 100644
--- a/lettings/templates/lettings/index.html
+++ b/lettings/templates/lettings/index.html
@@ -33,7 +33,7 @@