From d4e201b1b0b3f2a3c562f458e4ddafac3d761a8b Mon Sep 17 00:00:00 2001
From: Richard Hansen <rhansen@rhansen.org>
Date: Thu, 17 Jun 2021 21:15:29 -0400
Subject: [PATCH] Docker: Set `DEBIAN_FRONTEND=noninteractive` when running
 `apt-get`

---
 Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Dockerfile b/Dockerfile
index f83c17cd0..c546ea0fe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -58,6 +58,7 @@ RUN mkdir -p "${EP_DIR}" && chown etherpad:etherpad "${EP_DIR}"
 # the mkdir is needed for configuration of openjdk-11-jre-headless, see
 # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863199
 RUN [ -n "${INSTALL_ABIWORD}${INSTALL_SOFFICE}" ] || exit 0; \
+    export DEBIAN_FRONTEND=noninteractive; \
     mkdir -p /usr/share/man/man1 && \
     apt-get -qq update && \
     apt-get -qq install \