diff --git a/.env.example b/.env.example
index 62860b1..8f9c8f8 100644
--- a/.env.example
+++ b/.env.example
@@ -49,7 +49,13 @@ PYCSW_URL=http://localhost/csw
 # SCHEMAS: ckan2pycsw/model/dataset.py - Dataset type
 PYCSW_CKAN_SCHEMA=iso19139_geodcatap
 PYCSW_OUPUT_SCHEMA=iso19139_inspire
+# ckan-pycsw schedule
+## ckan2pycsw days between each scheduler job
 PYCSW_CRON_DAYS_INTERVAL=2
+# ckan2pycsw hour of start of the scheduler job (0-23)
+PYCSW_CRON_HOUR_START=4
+## Timezone
+TZ=UTC
 
 # CKAN databases
 POSTGRES_USER=ckan
@@ -87,7 +93,6 @@ CKAN_SMTP_STARTTLS=True
 CKAN_SMTP_USER=user
 CKAN_SMTP_PASSWORD=pass
 CKAN_SMTP_MAIL_FROM=ckan@localhost
-TZ=UTC
 ## Customize which text formats the text_view plugin will show
 CKAN__PREVIEW__JSON_FORMATS="json jsonld"
 # html htm rdf+xml owl+xml xml n3 n-triples turtle plain atom csv tsv rss txt json
diff --git a/ckan-pycsw/Dockerfile b/ckan-pycsw/Dockerfile
index e6fe7f3..47571bd 100644
--- a/ckan-pycsw/Dockerfile
+++ b/ckan-pycsw/Dockerfile
@@ -12,10 +12,12 @@ ENV PYCSW_URL=http://localhost:${PYCSW_PORT}/
 ENV DEV_MODE=False
 ENV TIMEOUT=300
 ENV PYCSW_CRON_DAYS_INTERVAL=2
+ENV PYCSW_CRON_HOUR_START=4
 WORKDIR ${APP_DIR}
 
 COPY pycsw/conf/pycsw.conf.template pycsw/entrypoint.sh .
 
-EXPOSE 8080/TCP
+EXPOSE ${PYCSW_PORT}/TCP
+
 ENTRYPOINT ["/bin/bash", "./entrypoint.sh"]
-CMD ["pdm", "run", "python3", "-m", "gunicorn", "pycsw.wsgi:application", "-b", "0.0.0.0:${PYCSW_PORT}"]
\ No newline at end of file
+CMD ["tail", "-f", "/dev/null"]
\ No newline at end of file