I downloaded and started the docker version according to the documentation at https://manual.seafile.com/deploy/deploy_with_docker.html.
I connected to the web interface without problems.
When trying to connect with the Windows 10 client, I get the following errors:
[05/09/19 11:13:52] seaf-daemon.c(502): starting seafile client 6.2.11
[05/09/19 11:13:52] seaf-daemon.c(504): seafile source code version 218e4b53a60f3407eb0f69ed1cf6520239145ebc
[05/09/19 11:13:52] seafile-session.c(382): client id = bc8559e05c99d78d47aebf591a03c15415ca600f, client_name = laptop myserver
[05/09/19 11:13:52] seaf-daemon.c(529): rpc server started.
[05/09/19 11:13:52] repo-mgr.c(5724): Removing store D:/Seafile/seafile-data\deleted_store\fs\0e30de9d-e267-4c46-8182-85c3798212cc
[05/09/19 11:13:52] clone-mgr.c(715): Transition clone state for 3483b00c from [init] to [check server].
[05/09/19 11:13:52] clone-mgr.c(715): Transition clone state for a53a014f from [init] to [check server].
[05/09/19 11:13:52] http-tx-mgr.c(1285): Bad response code for GET http://seafile.myserver/seafhttp/protocol-version: 404.
[05/09/19 11:13:52] http-tx-mgr.c(1285): Bad response code for GET http://seafile.myserver/seafhttp/protocol-version: 404.
[05/09/19 11:13:54] http-tx-mgr.c(808): libcurl failed to GET http://seafile.myserver:8082/protocol-version: Couldn't connect to server.
[05/09/19 11:13:54] clone-mgr.c(732): Transition clone state for a53a014f from [check server] to [error]: check server.
Indeed, http://seafile.myserver/seafhttp/protocol-version is not available (myserver is actually a working domain).
(EDIT: updated the client to latest version & updated the logs - the issue is the same)