Update base image to Ruby 2.6.2 based image

Following extensive internal testing it is time to update our common base
image to 2.6.2 based one.

This also update various libraries, nginx and so on.

diff --git a/launcher b/launcher
index d2ff6adfc40ee945213d39a1ef4fdcbd71729d08..4e615927503187c33d970fc27142d7ad0238e080 100755 (executable)
--- a/launcher
+++ b/launcher
@@ -81,7 +81,7 @@ git_rec_version='1.8.0'
 config_file=containers/"$config".yml
 cidbootstrap=cids/"$config"_bootstrap.cid
 local_discourse=local_discourse
-image=discourse/base:2.0.20190217
+image="discourse/base:2.0.20190321-0122"
 docker_path=`which docker.io 2> /dev/null || which docker`
 git_path=`which git`