attempting to fix frozen deploy step

scripts/guard-prod-volume.sh

@@ -4,6 +4,7 @@ set -euo pipefail
 VOLUME_NAME="${PROD_DB_VOLUME_NAME:-skymoney_pgdata}"
 ALLOW_EMPTY="${ALLOW_EMPTY_PROD_VOLUME:-0}"
 DOCKER_CMD="${DOCKER_CMD:-docker}"
+PROBE_TIMEOUT_SEC="${PROD_VOLUME_GUARD_TIMEOUT_SEC:-20}"
 
 if ! $DOCKER_CMD volume inspect "$VOLUME_NAME" >/dev/null 2>&1; then
   if [[ "$ALLOW_EMPTY" == "1" ]]; then
@@ -16,7 +17,7 @@ if ! $DOCKER_CMD volume inspect "$VOLUME_NAME" >/dev/null 2>&1; then
   exit 1
 fi
 
-if $DOCKER_CMD run --rm -v "${VOLUME_NAME}:/var/lib/postgresql/data" alpine sh -lc "test -f /var/lib/postgresql/data/PG_VERSION"; then
+if timeout "${PROBE_TIMEOUT_SEC}"s $DOCKER_CMD run --rm -v "${VOLUME_NAME}:/var/lib/postgresql/data" alpine sh -lc "test -f /var/lib/postgresql/data/PG_VERSION"; then
   echo "Production volume guard passed: '$VOLUME_NAME' contains PostgreSQL data."
   exit 0
 fi