Downgrade MM to release 9 as subpath (URL prefix) are not entirely supported in release 10

containers/mattermost/tasks.yml

@@ -48,7 +48,7 @@
       containers.podman.podman_image:
         name: docker.io/{{ item }}
       loop:
-        - mattermost/mattermost-team-edition:release-10
+        - mattermost/mattermost-team-edition:release-9
         - postgres:13-alpine
 
     - name: Create postgres instance
@@ -86,7 +86,7 @@
       become: true
       containers.podman.podman_container:
         name: mattermost
-        image: docker.io/mattermost/mattermost-team-edition:release-10
+        image: docker.io/mattermost/mattermost-team-edition:release-9
         state: present
         network:
           - traefik-mattermost
@@ -120,10 +120,18 @@
           traefik.docker.network: "traefik-mattermost"
         env:
           TZ: "{{ vault_timezone }}"
+          # https://docs.mattermost.com/configure/environment-configuration-settings.html
           MM_SQLSETTINGS_DRIVERNAME: "postgres"
           MM_SQLSETTINGS_DATASOURCE: "postgres://{{ vault_mattermost_db_user }}:{{ vault_mattermost_db_password }}@db_mattermost:5432/{{ vault_mattermost_db_database }}?sslmode=disable&connect_timeout=10"
           MM_BLEVESETTINGS_INDEXDIR: "/mattermost/bleve-indexes"
-          MM_SERVICESETTINGS_SITEURL: https://{{ vault_domain }}/mattermost
+          MM_SERVICESETTINGS_SITEURL: "https://{{ vault_domain }}/mattermost"
+          MM_EMAILSETTINGS_SMTPSERVER: "{{ vault_smtp_host }}"
+          MM_EMAILSETTINGS_SMTPPORT: "{{ vault_smtp_port }}"
+          MM_EMAILSETTINGS_ENABLESMTPAUTH: "true"
+          MM_EMAILSETTINGS_SMTPUSERNAME: "{{ vault_smtp_user }}"
+          MM_EMAILSETTINGS_SMTPPASSWORD: "{{ vault_smtp_password }}"
+          MM_EMAILSETTINGS_CONNECTIONSECURITY: "{{ vault_smtp_protocol }}"
+          MM_SERVICESETTINGS_ENABLESECURITYFIXALERT: "true"
         generate_systemd:
           path: /home/containers/.config/systemd/user/
           restart_policy: on-failure