Merge ~mthaddon/charm-k8s-mattermost/+git/mattermost-k8s-image-builder:juju-action into ~mattermost-charmers/charm-k8s-mattermost/+git/mattermost-k8s-image-builder:master

[Tom Haddon]

Add python3-yaml to default image as it's needed for juju actions

Add python3-yaml to default image as it's needed for juju actions

[Benjamin Allot (ballot)]

LGTM

review: Approve

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

This merge proposal is being monitored by mergebot. Change the status to Approved to merge.

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

Change successfully merged at revision 6c2a9234db29abc5a2470030b08ba141622153f4

diff --git a/Dockerfile b/Dockerfile
index f4afe50..823c564 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,9 +14,10 @@ LABEL org.label-schema.version=${mattermost_version}
 LABEL com.canonical.image-flavour=${image_flavour}
 LABEL com.canonical.mattermost-edition=${edition}
 
+# python3-yaml needed to run juju actions.
 RUN apt-get -qy update && \
     apt-get -qy dist-upgrade && \
-    apt-get -qy install curl xmlsec1 && \
+    apt-get -qy install curl python3-yaml xmlsec1 && \
     rm -f /var/lib/apt/lists/*_*
 
 RUN mkdir -p /mattermost/data /mattermost/plugins /mattermost/client/plugins && \