From f15d10abc827b59d06418926621cd26abfcf8534 Mon Sep 17 00:00:00 2001
From: Brad Warren <bmw@users.noreply.github.com>
Date: Mon, 5 Apr 2021 16:02:14 -0700
Subject: [PATCH] Update Dockerfile-dev (#8774)

* switch Dockerfile-dev to Ubuntu Focal

* Make apt noninteractive

* add --no-install-recommends
---
 Dockerfile-dev | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Dockerfile-dev b/Dockerfile-dev
index 86847f8fd..895dbdc0b 100644
--- a/Dockerfile-dev
+++ b/Dockerfile-dev
@@ -1,5 +1,5 @@
 # This Dockerfile builds an image for development.
-FROM debian:buster
+FROM ubuntu:focal
 
 # Note: this only exposes the port to other docker containers.
 EXPOSE 80 443
@@ -8,8 +8,9 @@ WORKDIR /opt/certbot/src
 
 COPY . .
 RUN apt-get update && \
-    apt-get install apache2 git python3-dev python3-venv gcc libaugeas0 \
-                    libssl-dev libffi-dev ca-certificates openssl nginx-light -y && \
+    DEBIAN_FRONTEND=noninteractive apt-get install apache2 git python3-dev \
+        python3-venv gcc libaugeas0 libssl-dev libffi-dev ca-certificates \
+        openssl nginx-light -y --no-install-recommends && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* \
            /tmp/* \