How do I diagnose problems with dokku deploys on docker/Digital Ocean?

  • Posted on September 22, 2013
  • dilvieAsked by dilvie

I’m new to Docker and dokku, and DigitalOcean, and just trying to figure out how all the pieces fit together. I’m deploying my app with git. When I deploy, it seems to succeed from my end, but when I log in and look for the running process with docker ps, I don’t see any.

A little investigation shows it tried to do something…

docker ps -a

ID IMAGE COMMAND CREATED STATUS PORTS e69021b44e45 app/foo:latest /bin/bash -c /start 12 minutes ago Exit 0

Trying to launch manually:

docker run e69021b44e45 node app.js

Unable to find image ‘e69021b44e45’ (tag: latest) locally Pulling repository e69021b44e45 2013/09/21 04:12:02 Internal server error: 404 trying to fetch remote history for e69021b44e45

Like I mentioned, I’m new to all this, so let me know what I’m doing wrong, please. =)

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<strong># docker run e69021b44e45 node app.js </strong> <br>e69021b44e45 is the docker instance ID. app/foo:latest is the image name. <br> <br>It says <strong>Exit 0</strong> which means that your app exited. <br> <br>Please pastebin your app.js file.