env. WATCHTOWER_NOTIFICATION_EMAIL_SUBJECTTAG isn't working anymore since 1.4.0 #1205
Description
Describe the bug
Since the update to 1.4.0, the environment variable WATCHTOWER_NOTIFICATION_EMAIL_SUBJECTTAG isn't working.
In my docker-compose.yml file, I set this : - WATCHTOWER_NOTIFICATION_EMAIL_SUBJECTTAG=[ Watchtower-DS920+ ]
But all email I received has this subject:
Watchtower updates on 5d11f1abc714
Before the update, I got :
To Reproduce
Expected behavior
It should be with the subject I declare in the env variables, like this not too old email:
Screenshots
See previous...
Environment
- Platform = Synology NAS DS920+
- Architecture = amd64 (CPU = Intel Celeron J4125)
- Docker version = 20.10.3, build b455053
I use Portainer CE 2.11 to create my container
Logs from running watchtower with the --debug option
I'm not sure how to do the --debug option...
But here what I have:
```log
time="2022-01-25T09:56:09+01:00" level=debug
time="2022-01-25T09:56:09+01:00" level=debug msg="Sleeping for a second to ensure the docker api client has been properly initialized."
time="2022-01-25T09:56:10+01:00" level=debug msg="Making sure everything is sane before starting"
time="2022-01-25T09:56:10+01:00" level=debug msg="Retrieving running containers"
time="2022-01-25T09:56:10+01:00" level=debug msg="There are no additional watchtower containers"
time="2022-01-25T09:56:10+01:00" level=debug msg="Watchtower HTTP API skipped."
time="2022-01-25T09:56:10+01:00" level=info msg="Watchtower 1.4.0"
time="2022-01-25T09:56:10+01:00" level=info msg="Using notifications: smtp"
time="2022-01-25T09:56:10+01:00" level=info msg="Only checking containers using enable label"
time="2022-01-25T09:56:10+01:00" level=info msg="Scheduling first run: 2022-01-26 05:00:00 +0100 CET"
time="2022-01-25T09:56:10+01:00" level=info msg="Note that the first check will be performed in 19 hours, 3 minutes, 49 seconds"
```
Additional context