Question

Dokku Remote Rejected (pre-receive hook declined) MEAN (yo

When I attempt to push to my Dokku droplet, I get this error:

git push dokku master
Counting objects: 965, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (945/945), done.
Writing objects: 100% (965/965), 242.54 KiB | 0 bytes/s, done.
Total 965 (delta 668), reused 0 (delta 0)
To dokku@xxxxxxxx.com:xxxxxxxx.com
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'dokku@xxxxxxxx.com:xxxxxxxx.com'

I’m not sure what to do now, since there isn’t a log of problems…


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You need to remove .deploy.lock file if exists in your application folder

rm -rf /home/dokku/YOUR_APP_NAME/.deploy.lock

Check on the stack trace just below the following lines, you’ll be able to see the error;

-----> Waiting for 35 seconds ...
remote: App container failed to start!!
=====> yourAppName container output:
       /app/.meteor/heroku_build/app/programs/server/node_modules/fibers/future.js:245
        					throw(ex);``` 

If the error is, Error: MONGO_URL must be set in environment. Then it's evident that you haven't created your database for the app.

If the error is, Error: ROOT_URL must be set in environment. Then you'll need to set-up your root_url in the environment.
This resource might be of help, [Dokku on DigitalOcean](https://www.youtube.com/watch?v=xpD9AOcWlgc)

Been running into this problem but figured out. Hope this helps. :)

Check memory usage on the box. I’ve often seen it complain like that when its struggled to build the instance. Or try clearing the git repo on the server.