Better default permissions on volumes.

Dockerfile

@@ -12,6 +12,7 @@ RUN apk add --update --no-cache --virtual .lxml-build build-base libxslt-dev &&
     pipenv install --deploy --system && \
     apk del .lxml-build && \
     apk add --update --no-cache --virtual .lxml-runtime libxml2 libxslt
+RUN install -d -m 777 -o root -g root db Podcasts
 COPY --chown=root:root crontab ./
 COPY --chown=root:root poca.xml ./
 VOLUME db Podcasts