Update docker base image to bulseye

Update base docker image to current debian stable (bullseye).

As a consequence default postgress version is update from 11 to 13.

If you use default docker-compose to run ActiveWorkflow, you may need to
migrate you postgress database.

If you use your own postgres image/instance, ActiveWorkflow will work
with old postgres just fine, you don't need to do anything.

Author: Vidas P

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/ruby:2.6.10-slim-buster
+FROM docker.io/ruby:2.6.10-slim-bullseye
 
 COPY docker/scripts/prepare_os /scripts/
 RUN /scripts/prepare_os

docker/scripts/prepare_os

@@ -22,7 +22,7 @@ $minimal_apt_get_install build-essential \
   zlib1g-dev libyaml-dev libssl-dev libgdbm-dev libreadline-dev \
   libncurses5-dev libffi-dev libxml2-dev libxslt-dev libcurl4-openssl-dev libicu-dev \
   graphviz libpq-dev tzdata \
-  postgresql-11 tini
+  postgresql-13 tini
 
 apt-get purge -y python3* rsyslog rsync manpages
 apt -y autoremove