gistfile1.txt

sudo apt-get install dokku
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Recommended packages:
  herokuish
The following NEW packages will be installed
  dokku
0 to upgrade, 1 to newly install, 0 to remove and 5 not to upgrade.
Need to get 53.1 kB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 https://packagecloud.io/dokku/dokku/ubuntu trusty/main amd64 dokku amd64 0.7.2 [53.1 kB]
Fetched 53.1 kB in 2s (17.8 kB/s)
Preconfiguring packages ...
Selecting previously unselected package dokku.
(Reading database ... 248573 files and directories currently installed.)
Preparing to unpack .../archives/dokku_0.7.2_amd64.deb ...
Error: keyfile '/root/.ssh/id_rsa.pub' not found.
       you can enter a new keyfile path when you restart the installation.
dpkg: error processing archive /var/cache/apt/archives/dokku_0.7.2_amd64.deb (--unpack):
 subprocess new pre-installation script returned error exit status 1
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
Errors were encountered while processing:
 /var/cache/apt/archives/dokku_0.7.2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)