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Last pushed: 3 years ago
Short Description
Docker Image for Clojure Apps on Heroku
Full Description

Heroku Clojure Docker Image

This image is for use with Heroku Docker CLI.


Your project must contain the following files:

Your project must be built as an uberjar.

Then create an app.json file in the root directory of your application with
at least these contents:

  "name": "Your App's Name",
  "description": "An example app.json for heroku-docker",
  "image": "heroku/clojure"

Install the heroku-docker toolbelt plugin:

$ heroku plugins:install heroku-docker

Initialize your app:

$ heroku docker:init
Wrote Dockerfile
Wrote docker-compose.yml

And run it with Docker Compose:

$ docker-compose up web

The first time you run this command, lein will download all dependencies into
the container, build your application, and then run it. Subsequent runs will
use cached dependencies (unless your project.clj file has changed).

You'll be able to access your application at http://<docker-ip>:8080, where
<docker-ip> is either the value of running boot2docker ip if you are on Mac
or Windows, or your localhost if you are running Docker natively.

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