Fix unnecessary user interactions in building pulsar-standalone image
@@ -26,6 +26,8 @@ FROM apachepulsar/pulsar-dashboard:latest as dashboard
# Restart from
FROM ubuntu:20.04
+ARG DEBIAN_FRONTEND=noninteractive
+
# Note that the libpq-dev package is needed here in order to install
# the required python psycopg2 package (for postgresql) later
RUN apt-get update \
