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Docker will now force-remove rendition entries from db #216

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Docker will now force-remove rendition entries from db #216

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14 changes: 14 additions & 0 deletions bakerydemo/base/management/commands/delete_renditions.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
from django.core.management.base import BaseCommand
from django.db import connection

# Force removal of wagtail image rendition-entries in db will force wagtail to
# regenerate renditions. Useful if renditions are removed, for instance when
# using Docker where the file system is renewed on each build.

class Command(BaseCommand):
def handle(self, **options):
with connection.cursor() as cursor:
cursor.execute("SELECT count(*) FROM wagtailimages_rendition")
row=cursor.fetchone()
cursor.execute("DELETE FROM wagtailimages_rendition")
print("{} renditions removed".format(row[0]))
3 changes: 3 additions & 0 deletions docker-entrypoint.sh
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Expand Up @@ -10,6 +10,9 @@ done

if [ "$1" = '/venv/bin/uwsgi' ]; then
/venv/bin/python manage.py migrate --noinput
# Since we are running docker, we need to delete rendition entries from db
# since the docker image will have a non-populated /media/image directory
/venv/bin/python manage.py delete_renditions
fi

if [ "x$DJANGO_LOAD_INITIAL_DATA" = 'xon' ]; then
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