Create run dir under datadir for non-mounted space

Dockerfile

@@ -18,7 +18,10 @@ RUN apt-get update && \
 # Use HF persistent storage under /data if mounted
 ENV GISKARD_HF_DATA_DIR=/data/giskard/datadir
 RUN mkdir -p "${GISKARD_HF_DATA_DIR}" && chown -R giskard "${GISKARD_HF_DATA_DIR}"
+
+# Create or declare subdirs under GISKARD_HF_DATA_DIR
 ENV PGDATA=$GISKARD_HF_DATA_DIR/database
+RUN mkdir -p "${GISKARD_HF_DATA_DIR}/run" && chown -R giskard "${GISKARD_HF_DATA_DIR}/run"
 
 # Keep the original GSK_HOME for supervisord run files
 # We can still bring up supervisord in case of the persistent storage not working