Improve traefik-certs-dumper service

docker-compose.override.yml

@@ -20,17 +20,23 @@ services:
     certdumper:
         image: humenius/traefik-certs-dumper
         restart: always
-        # container_name: traefik_certdumper
+        command: --restart-containers ${COMPOSE_PROJECT_NAME}-postfix-mailcow-1,${COMPOSE_PROJECT_NAME}-nginx-mailcow-1,${COMPOSE_PROJECT_NAME}-dovecot-mailcow-1
         network_mode: none
         volumes:
-          # mount the folder which contains Traefik's `acme.json' file
-          #   in this case Traefik is started from its own docker-compose in ../traefik
+          # Mount the folder which contains Traefik's `acme.json' file
           - ${DATA_PATH}/traefik:/traefik:ro
-          # mount mailcow's SSL folder
+          # Mount mailcow's SSL folder
           - ./data/assets/ssl/:/output:rw
+          # Mount docker socket to restart containers
+          - /var/run/docker.sock:/var/run/docker.sock:ro
         environment:
           # only change this, if you're using another domain for mailcow's web frontend compared to the standard config
           - DOMAIN=${MAILCOW_HOSTNAME}
+        healthcheck:
+          test: ["CMD", "/usr/bin/healthcheck"]
+          interval: 30s
+          timeout: 10s
+          retries: 5
 
     ipv6nat-mailcow:
       image: bash:latest