Connect with filezilla to docker container

Question

I am running docker containers on Google Cloud virtual machine. I am trying for hours to connect from filezilla on my local computer to an running docker container. I have started docker image like this:

docker run -t -d --name test -p 2222:22 --link postgres7:postgres7 random_image /bin/bash

In my filezilla connection configuration I have set:

Host: Google Cloud IP address
Port: 2222
Protocol: SFTP
Logon Type: Normal
User: root (without password)

When trying to connect I get this error:

Status: Connecting to x.x.x.x:2222...
Response:   fzSftp started
Command:    open "root@x.x.x.x" 2222
Error:  Connection refused
Error:  Could not connect to server

I have opened ports on google cloud engine.

Answer 1

First, it is not recommended to install ssh server on docker containers but here is how I did it:

1. Install ssh client

apt-get install openssh-server

2. Set password on root (or any user you want to connect with)

passwd (enter password twice)

3. In /etc/ssh/sshd_config change:

PermitRootLogin without-password

to

PermitRootLogin yes

4. Restart ssh server

/etc/init.d/ssh restart

And now you will be able to connect with any ftp client as root to your docker container with password that you set.