From c2cbbccebbe4a64519d0d3c92d184b2acc0b9874 Mon Sep 17 00:00:00 2001
From: Kelson <kelson@kiwix.org>
Date: Wed, 4 Sep 2019 10:00:15 +0200
Subject: [PATCH] Smaller Docker base image

---
 travis/bionic_builder.dockerfile | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/travis/bionic_builder.dockerfile b/travis/bionic_builder.dockerfile
index e31c97b..cde804d 100644
--- a/travis/bionic_builder.dockerfile
+++ b/travis/bionic_builder.dockerfile
@@ -2,9 +2,8 @@ FROM ubuntu:bionic
 
 ENV LANG C.UTF-8
 
-RUN apt update -q
-RUN \
-  apt install -q -y --no-install-recommends \
+RUN apt update -q && \
+    apt install -q -y --no-install-recommends \
 # Base build tools
     build-essential automake libtool cmake ccache pkg-config autopoint patch \
     python3-pip python3-setuptools python3-wheel git subversion wget unzip \
@@ -22,7 +21,7 @@ RUN \
 #    vim less grep \
   && \
   apt-get clean -y && \
-  rm -rf /usr/share/doc/* /var/cache/debconf/*
+  rm -rf /var/lib/apt/lists/* /usr/share/doc/* /var/cache/debconf/*
 
 # Create user
 RUN useradd --create-home ci_builder