Me di cuenta de que la actualización manual falla debido a un error en la imagen de Watchtower de containrrr. Está solucionado en este fork.
Mi propia instancia de Watchtower también estaba muerta.
Este es el error en Gladys.
Starting Watchtower 1.7.1
Checking all containers (except explicitly disabled with label)
Running a one time update.
Error response from daemon: client version 1.25 is too old. Minimum supported API version is 1.44, please upgrade your client to a newer version
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0x589ee4]
goroutine 1 [running]:
Cgithub.com/containrrr/watchtower/pkg/metrics.NewMetric({0x0, 0x0})
I/home/runner/work/watchtower/watchtower/pkg/metrics/metrics.go:31 +0x24
Ogithub.com/containrrr/watchtower/cmd.runUpdatesWithNotifications(0x40002b38e0)
@/home/runner/work/watchtower/watchtower/cmd/root.go:377 +0x18c
Ugithub.com/containrrr/watchtower/cmd.Run(0x40002da300?, {0x40002d63f0?, 0x3?, 0x3?})
@/home/runner/work/watchtower/watchtower/cmd/root.go:168 +0x608
Rgithub.com/spf13/cobra.(*Command).execute(0x40002da300, {0x4000124050, 0x3, 0x3})
M/home/runner/go/pkg/mod/github.com/spf13/cobra@v1.8.0/command.go:987 +0x808
9github.com/spf13/cobra.(*Command).ExecuteC(0x40002da300)
N/home/runner/go/pkg/mod/github.com/spf13/cobra@v1.8.0/command.go:1115 +0x38c
/github.com/spf13/cobra.(*Command).Execute(...)
G/home/runner/go/pkg/mod/github.com/spf13/cobra@v1.8.0/command.go:1039
/github.com/containrrr/watchtower/cmd.Execute()
/home/runner/work/watchtower/watchtower/cmd/root.go:75 +0x5c
ain.main()
:/home/runner/work/watchtower/watchtower/main.go:13 +0x20