I have the same issue. As @MikeMcQ stated port 80 must be opened so Let's Encrypt may reach that but where does this port have to be redirected to? Currently there is a nginx listening on port 80 that is implemented as a reverse proxy. Nginx is running in a docker container. Now I try to start a c…

How can I run certbot behind nginx proxy [within Docker]

9peppe October 1, 2022, 10:02am 14

what do you see before the error? can it be a DNS problem, or is it an IP problem?

try adding a --dns 1.1.1.1 option to your docker command.

4 Likes

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