Working on secrets

.env.sample

@@ -1,8 +1,26 @@
-TYPE=mattermost
-
+# Domain of service
 DOMAIN=mattermost.example.com
 
-## Domain aliases
-#EXTRA_DOMAINS=', `www.mattermost.example.com`'
 LETS_ENCRYPT_ENV=production
-on
+
+# SECRET VERSIONS
+SECRET_POSTGRES_PASSWORD_VERSION=v1
+
+# Container settings
+## Timezone inside the containers. The value needs to be in the form 'Europe/Berlin'.
+## A list of these tz database names can be looked up at Wikipedia
+## https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
+TZ=UTC
+RESTART_POLICY=unless-stopped
+
+## Make Mattermost container readonly. This interferes with the regeneration of root.html inside the container. Only use
+## it if you know what you're doing.
+## See https://github.com/mattermost/docker/issues/18
+MATTERMOST_CONTAINER_READONLY=false
+
+## Configuration settings for Mattermost. Documentation on the variables and the settings itself can be found at
+## https://docs.mattermost.com/administration/config-settings.html
+## Keep in mind that variables set here will take precedence over the same setting in config.json. This includes
+## the system console as well and settings set with env variables will be greyed out.
+
+