From e108161f60a1991372aa340cdf6f6c977cfc9666 Mon Sep 17 00:00:00 2001
From: Richard Hansen <rhansen@rhansen.org>
Date: Thu, 17 Jun 2021 21:05:49 -0400
Subject: [PATCH] Docker: Use `apt-get` instead of `apt`

This silences the following warning:

> WARNING: apt does not have a stable CLI interface. Use with caution
> in scripts.
---
 Dockerfile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 27681e702..f83c17cd0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -59,12 +59,12 @@ RUN mkdir -p "${EP_DIR}" && chown etherpad:etherpad "${EP_DIR}"
 # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863199
 RUN [ -n "${INSTALL_ABIWORD}${INSTALL_SOFFICE}" ] || exit 0; \
     mkdir -p /usr/share/man/man1 && \
-    apt update && \
-    apt -y install \
+    apt-get -qq update && \
+    apt-get -qq install \
         ${INSTALL_ABIWORD:+abiword} \
         ${INSTALL_SOFFICE:+libreoffice} \
         && \
-    apt clean && \
+    apt-get -qq clean && \
     rm -rf /var/lib/apt/lists/*
 
 USER etherpad