@@ -118,6 +118,27 @@ if [ -d "$rootfsDir/etc/apt/apt.conf.d" ]; then

 		Acquire::GzipIndexes "true";

 		Acquire::CompressionTypes::Order:: "gz";

 	EOF

+

+	# update "autoremove" configuration to be aggressive about removing suggests deps that weren't manually installed

+	echo >&2 "+ echo Apt::AutoRemove::SuggestsImportant 'false' > '$rootfsDir/etc/apt/apt.conf.d/docker-autoremove-suggests'"

+	cat > "$rootfsDir/etc/apt/apt.conf.d/docker-autoremove-suggests" <<-'EOF'

+		# Since Docker users are looking for the smallest possible final images, the

+		# following emerges as a very common pattern:

+

+		#   RUN apt-get update \

+		#       && apt-get install -y <packages> \

+		#       && <do some compilation work> \

+		#       && apt-get purge -y --auto-remove <packages>

+

+		# By default, APT will actually _keep_ packages installed via Recommends or

+		# Depends if another package Suggests them, even and including if the package

+		# that originally caused them to be installed is removed.  Setting this to

+		# "false" ensures that APT is appropriately aggressive about removing the

+		# packages it added.

+

+		# https://aptitude.alioth.debian.org/doc/en/ch02s05s05.html#configApt-AutoRemove-SuggestsImportant

+		Apt::AutoRemove::SuggestsImportant "false";

+	EOF

 fi

 if [ -z "$DONT_TOUCH_SOURCES_LIST" ]; then