Add restart policy to OpenLDAP containers

roles/docker/tasks/services/openldap.yml

@@ -20,6 +20,7 @@
     image: osixia/openldap:1.5.0
     tty: true
     interactive: true
+    restart_policy: unless-stopped
     volumes:
       - "{{ ldap.volume_folder }}/var/lib/ldap:/var/lib/ldap"
       - "{{ ldap.volume_folder }}/etc/slapd.d:/etc/ldap/slapd.d"
@@ -58,6 +59,7 @@
   docker_container:
     name: phpldapadmin
     image: osixia/phpldapadmin:0.9.0
+    restart_policy: unless-stopped
     networks:
       - name: external_services
       - name: ldap