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Update deployment with one line deploy guide
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Updated deployment guide using hoodie blog post as basis: http://hood.ie/blog/single-line-deployment.html
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fozy81 authored and gr2m committed Feb 8, 2017
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Deployment
==========

Docker
~~~~~~
One line deploy
~~~~~~~~~~~~~~~

We continuously deploy our `Hoodie Tracker App`_ using Docker. You can read
about our continuous
deployment set at `hoodie-app-tracker/deployment.md`_.
After you’ve built your Hoodie app you probably want to put it online. You can choose to deploy your app as read-only or deploy the backend couchdb database as well. This `video`_ and the text below descibes how to deploy your app using one line of code. Alternatively, you can deploy your app using Docker, please refer to the Docker section.

.. _Hoodie Tracker App: https://github.com/hoodiehq/hoodie-app-tracker
.. _hoodie-app-tracker/deployment.md: https://github.com/hoodiehq/hoodie-app-tracker/blob/maste/deployment.md
.. _video: https://youtu.be/29Uclxq_1Vw
Deploying to Now
~~~~~~~~~~~~~~~~
.. _command line tool: https://github.com/zeit/now-cli
`Now`_ allows you to deploy a Node application with its `command line tool`_. It’s 100% free for Open Source projects. You can deploy an app from your computer or right from a GitHub repository. For example, to deploy our Hoodie Tracker demo app all you have to do is to run this command:
::

$ now hoodiehq/hoodie-app-tracker --npm -e NODE_ENV=production -e hoodie_inMemory=true,

Now
~~~
To decribe this further:

`now`_ is a great way to quickly deploy Node.js applications.
Unfortunately, now is a read-only file system, so you must either run
your app in memory or set an external CouchDB URL.
- hoodiehq/hoodie-app-tracker, is the GitHub repository slug.

Add this script to your package.json and you are good to go:
- --npm tells now to deploy using npm, as there is also Dockerfile in the repository.

- -e NODE_ENV=production sets the NODE_ENV environment variable to production, which makes the deployment faster as no devDependencies will be installed.

- -e hoodie_inMemory=true makes the Hoodie app run in-memory mode, meaning that no data is persisted and no files are written. This is important because now is a read-only file system. That means that all user accounts and data will be lost on the next deployment, but it is great for for a quick test or demo of your application.

Alternatively, add this script to your package.json and you are good to go:

::

"now-start": "hoodie --inMemory",

.. _now: https://zeit.co/now
.. _Now: https://zeit.co/now
Store Data With Cloudant
~~~~~~~~~~~~~~~~~~~~~~~~
`Cloudant`_ is a DBaaS (database-as-a-service). It provides most of CouchDB’s APIs and can be used as Hoodie’s database backend. Signing up for a free account only takes a moment. After sign up, you need to slightly adjust the now deployment command above.
::

$ now hoodiehq/hoodie-app-tracker -e NODE_ENV=production -e hoodie_inMemory=true -e hoodie_dbUrl=https://username:password@username.cloudant.com/,

The hoodie_inMemory environment variable makes sure that Hoodie does not try to write any files like the bundled /hoodie/client.js library. The hoodie_dbUrl environment variable sets the address and credentials to your CouchDB. Replace username and password to whatever you signed up with.
.. _Cloudant: https://cloudant.com/

Test and set an alias
~~~~~~~~~~~~~~~~~~~~~~

When you deploy with now you will receive a random subdomain where you can access your application. It looks something like https://hoodie-app-tracker-randomxyz.now.sh/ and was already copied to your clipboard during the deployment. Open the URL in your browser to give it a try. Once everything is good, you can change the subdomain to your preference by running:
::

$ now alias set hoodie-app-tracker-randomxyz my-tracker-app,

That will make your deployed Hoodie Tracker app accessible at https://my-tracker-app.now.sh. For example, here is the app that I deployed myself: https://hoodie-app-tracker.now.sh/

Docker
~~~~~~

We continuously deploy our `Hoodie Tracker App`_ using Docker. You can read
about our continuous
deployment set at `hoodie-app-tracker/deployment.md`_.

.. _Hoodie Tracker App: https://github.com/hoodiehq/hoodie-app-tracker
.. _hoodie-app-tracker/deployment.md: https://github.com/hoodiehq/hoodie-app-tracker/blob/master/deployment.md

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