You can try
docker logs app
The last person I helped had a bogus value for his letsencrypt email address. It sounds like nginx isn’t starting up for some reason. The most common reason is that the certs are broken.
You can try
docker logs app
The last person I helped had a bogus value for his letsencrypt email address. It sounds like nginx isn’t starting up for some reason. The most common reason is that the certs are broken.