Ok i have again installed
npm install nodebb-plugin-blog-comments
In NodeBB

In post.hbs
{{!-- Everything inside the #post tags pulls data from the post --}}
{{#post}}
<a id="nodebb/comments"></a>
<script type="text/javascript">
var nbb = {};
nbb.url = '//forum.frank-mankel.org'; // EDIT THIS
(function() {
nbb.articleID = '{{../post.id}}'; nbb.title = '{{../post.title}}';
nbb.tags = [{{#../post.tags}}"{{name}}",{{/../post.tags}}];
nbb.script = document.createElement('script'); nbb.script.type = 'text/javascript'; nbb.script.async = true;
nbb.script.src = nbb.url + '/plugins/nodebb-plugin-blog-comments/lib/ghost.js';
(document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(nbb.script);
})();
</script>
<script id="nbb-markdown" type="text/markdown">{{{../post.markdown}}}</script>
<noscript>Please enable JavaScript to view comments</noscript>
Some Errors
ghost.js:15 Uncaught TypeError: Cannot read property 'insertAdjacentHTML' of null
at ghost.js:15
at ghost.js:344
document.getElementById('nodebb-comments').insertAdjacentHTML('beforebegin', '<div id="nodebb"></div>');
I don't have an "publishing button" !?
And now away from Keyboard 