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Deploying to Heroku
In BrowserCMS 3.5.0, we are improving the support for deploying CMS sites to Heroku. This page covers how to set up and deploy a BrowserCMS site on Heroku. In general, using Heroku should work reasonable well, though there are some constraints to consider (see 'Overview' below).
If you have issues, feedback or questions setting up on Heroku, please post them to the mailing list.
Deploying to Heroku is slightly different then other servers due to the constraints of the platform. In particular:
- No Page Caching: The CMS typically relies on Rails page caching working in conjunction with the web server for performance. Page caching isn't available on Heroku, so for the time being, caching is not used. We are aiming to make caching more configurable in upcoming versions.
- Subdomains: The typical configuration of a site will have multiple subdomains (one for the 'public' site, and another for the 'admin' site.). Heroku now supports wildcard domains for free (on Cedar), so BrowserCMS can use the typical subdomain setup.
- No file storage: Uploaded files cannot be stored on heroku so you must use an external host, such as AWS S3. There is module bcms_aws_s3 which can be used to store files. The module seemlessly handles sending and storing files on S3. See the installation instructions for that module for more details.
- Postgresql - BrowserCMS is most well tested with MySQL and/or Sqlite. Heroku uses Postgresql as its default database. At this time, it appears as though BrowserCMS works just fine with Postgresql in production. However, you may want to generate a new browsercms project locally using sqlite3 locally for testing, then switch the database to postgresql after.
Before starting this, review the Rails 3 Heroku guide found here.
We create the project (using sqlite)
$ bcms new my_heroku_site
This may also work (depending on your local machine setup)
$ bcms new my_heroku_site -d postgresql
Ensure your project is configured to use postgresql in production (at least).
# Gemfile
gem 'sqlite3', :group=>:development
gem 'pg', :group=>:production
# config/database.yml
production:
adapter: postgresql
encoding: unicode
database: heroku_app_production
pool: 5
username: heroku_app_user
password: heroku_app_pw
Follow the installation instructions for the bcms_aws_s3 module.
First setup a git project.
$ git init
$ git add .
$ git commit -m "Initial setup"
Install Heroku and configure the project to deploy to it. See the Rails 3 Heroku guide for more info.
$ gem install heroku
$ heroku create
$ git push heroku master
$ heroku run rake db:install
Modify the Gemfile to match the heroku deployment environment. This sample Gemfile is a reasonable start. Then check in your changes and deploy the site.
Take note of the domain name that was generated when heroku create
was run above (something like: randomname-1234.herokuapp.com), as well as the cmsadmin password generated when running rake db:install
Run the following, substituting your generated domain name above.
$ heroku domains:add *your-heroku-domain-1234.herokuapp.com
You can now access the site at http://www.your-heroku-domain-1234.herokupapp.com and the admin site at http://www.your-heroku-domain-1234.herokuapp.com/cms. You may want to set up a redirect from http://your-heroku-domain-1234.herokuapp.com to http://www.your-heroku-domain-1234.herokuapp.com for consistency.
If you don't want to bother with subdomains, you can disable them. This will allow BrowserCMS to run on a single domain (no redirects), but will turn off page caching completely.
# config/environments/production.rb
config.cms.use_single_domain = true
If you are having issues with compiling assets, you can also try adding the following to your production.rb, which will avoid initializing the environment during precompiling.
config.assets.initialize_on_precompile = false
- Asset Pipeline on Heroku: https://devcenter.heroku.com/articles/rails-asset-pipeline#troubleshooting
- Rails 3 on Heroku: https://devcenter.heroku.com/articles/rails3
- Sample Gemfile for BrowserCMS on Heroku: https://gist.github.com/2695638
- CMS Mailing List Discussion on Heroku: https://groups.google.com/forum/?fromgroups#!topic/browsercms/WCFUn82wJeg