That is the problem.. there is no service running there. And it should be running right? – By the configuration. That problem appears when i install nginx. And letsencrypt. Before doing that, i could reach my discourse on that port.
EDITED:
Like i said here, i think that problem come from here.
EDIT2:
docker.service - Docker Application Container Engine
Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
Active: active (running) since Sat 2018-01-13 09:48:09 UTC; 3h 6min ago
Docs: https://docs.docker.com
Main PID: 1382 (dockerd)
Tasks: 22
Memory: 113.6M
CPU: 1min 16.716s
CGroup: /system.slice/docker.service
├─1382 /usr/bin/dockerd -H fd://
└─1492 docker-containerd --config /var/run/docker/containerd/containerd.toml
Jan 13 09:48:09 hkh dockerd[1382]: time="2018-01-13T09:48:09.658704124Z" level=error msg="b91fdb1b28df259975c52de80ab51f8a11d5c43daf3f1da1f767df7031dd5a5e cleanup: fai
Jan 13 09:48:09 hkh dockerd[1382]: time="2018-01-13T09:48:09.659260943Z" level=error msg="Failed to start container b91fdb1b28df259975c52de80ab51f8a11d5c43daf3f1da1f76
Jan 13 09:48:09 hkh dockerd[1382]: time="2018-01-13T09:48:09.659896029Z" level=info msg="Loading containers: done."
Jan 13 09:48:09 hkh dockerd[1382]: time="2018-01-13T09:48:09.696332892Z" level=info msg="Docker daemon" commit=03596f5 graphdriver(s)=overlay2 version=18.01.0-ce
Jan 13 09:48:09 hkh dockerd[1382]: time="2018-01-13T09:48:09.697512501Z" level=info msg="Daemon has completed initialization"
Jan 13 09:48:09 hkh dockerd[1382]: time="2018-01-13T09:48:09.708078451Z" level=info msg="API listen on /var/run/docker.sock"
Jan 13 09:48:09 hkh systemd[1]: Started Docker Application Container Engine.
Jan 13 09:53:43 hkh dockerd[1382]: time="2018-01-13T09:53:43Z" level=info msg="shim docker-containerd-shim started" address="/containerd-shim/moby/efc749e9f165b37aa8e1
Jan 13 09:53:43 hkh dockerd[1382]: time="2018-01-13T09:53:43Z" level=info msg="shim reaped" id=efc749e9f165b37aa8e12c891f74b606b38b318e43efc39213903f00c1d74b79 module=
Jan 13 09:53:43 hkh dockerd[1382]: time="2018-01-13T09:53:43.962437141Z" level=info msg="ignoring event" module=libcontainerd namespace=moby topic=/tasks/delete type="
~
Jan 13 09:48:09 hkh dockerd[1382]: time=“2018-01-13T09:48:09.659260943Z” level=error msg="Failed to start container b91fdb1b28df259975c52de80ab51f8a11d5c43daf3f1da1f76
This is my docker images;
dbm@hkh:~$ sudo docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
local_discourse/app latest c8f855b4c3a9 4 hours ago 2.79GB
<none> <none> b0cd4d872d9d 4 hours ago 2.79GB
discourse/base 2.0.20171231 3925ef3919cc 12 days ago 1.73GB