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-rw-r--r--docker/base/Dockerfile.j24
1 files changed, 3 insertions, 1 deletions
diff --git a/docker/base/Dockerfile.j2 b/docker/base/Dockerfile.j2
index 4d5f4dc1b..bd4ae2ac7 100644
--- a/docker/base/Dockerfile.j2
+++ b/docker/base/Dockerfile.j2
@@ -208,7 +208,9 @@ ENV DEBIAN_FRONTEND noninteractive
COPY dpkg_reducing_disk_footprint /etc/dpkg/dpkg.cfg.d/dpkg_reducing_disk_footprint
# Need apt-transport-https BEFORE we replace sources.list or apt-get update wont work!
-RUN apt-get update && apt-get -y install --no-install-recommends apt-transport-https ca-certificates
+RUN apt-get update \
+ && apt-get -y install --no-install-recommends apt-transport-https ca-certificates \
+ && apt-get clean
COPY sources.list.{{ base_distro }} /etc/apt/sources.list
COPY apt_preferences.{{ base_distro }} /etc/apt/preferences