" quotes in field values causing issues

[beastarman74]

Out of the blue Portainer-Backup stopped being able to connect to the Portainer server and subsequently read the Cron settings correctly when they are encased in " quotes.

I haven't made any changes to the install, but as part of troubleshooting I checked the docker network settings for the container (it shares the same docker network as Portainer and Portainer Agent). Also tried changing Portainer to localhost/127.0.0.1 etc. Then the host IP instead. Still no joy.

As a last gasp I removed the quotes " from the URL. Tried it again and this time it complained about the Cron format instead. Partial success. I removed the " from the Cron schedule entry. Tried again, everything looked like it was ok but the backup failed. So remove the " quotes from the backup token and finally got a successful backup.

I don't know if this issue is local to just me, I just wanted to flag what I have experienced in case it hits wider.

Working configuration (backup token blanked). It is almost a carbon copy of your example but now with the quotes " removed.

version: '3.8'
services:
  portainer-backup:
    container_name: portainer-backup
    image: savagesoftware/portainer-backup:latest
    hostname: portainer-backup
    restart: unless-stopped
    command: schedule
    environment:
      - TZ=Europe/London
      - PUID=1000
      - PGID=1000
      - stdin_open=true # docker run -i
      - tty=true # docker run -t      0
      - PORTAINER_BACKUP_URL=http://portainer:9000
      - PORTAINER_BACKUP_TOKEN=ptr_=
      - PORTAINER_BACKUP_PASSWORD=
      - PORTAINER_BACKUP_OVERWRITE=1
      - PORTAINER_BACKUP_SCHEDULE=0 0 0 * * *
      - PORTAINER_BACKUP_STACKS=1
      - PORTAINER_BACKUP_DRYRUN=0
      - PORTAINER_BACKUP_CONCISE=1
      - PORTAINER_BACKUP_DIRECTORY=/backup
      - PORTAINER_BACKUP_FILENAME=portainer-backup.tar.gz
    volumes:
      - portainer-backup:/backup
    networks:
      - portainer

networks:
  portainer:
   external: true

volumes:
  portainer-backup:
   external: true

Error with URL:

Error with Cron

Backup error:

Successful backup: