I’m setting up a clean install of El Capitan, and want to get my Octopress blog going. However, I don’t want to install it directly on my OSX workstation — I want to have it contained in a docker container.

Install Docker

That’s beyond the scope of this blog post, but what I ended up doing on my new OSX installation was to:

• Install VirtualBox 5.0.14
• Install docker toolbox

Run tleyden5iwx/octopress

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$ docker run -itd -v ~/Documents/blog/:/blog tleyden5iwx/octopress /bin/bash

What’s in ~/Documents/blog/? Basically, the octopress instance I’d setup as described in Octopress Setup Part I.

Bundle install

From inside the docker container:

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# cd /blog/octopress
# bundle install

Edit a blog post

On OSX, open up ~/Documents/blog/source/_posts/path-to-post and make some minor edits

Push source

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# git push origin source
Username for 'https://github.com': [enter your username]
Password for 'https://username@github.com': [enter your password]

Generate and push to master

Attempt 1

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# rake generate
rake aborted!
Gem::LoadError: You have already activated rake 10.4.2, but your Gemfile requires rake 0.9.6. Using bundle exec may solve this.
/blog/octopress/Rakefile:2:in `<top (required)>'
(See full trace by running task with --trace) 

I have no idea why this is happening, but I just conceded defeat against these ruby weirdisms, wished I was using Go (and thought about converting my blog to Hugo), and took their advice and prefixed every command thereafter with bundle exec.

Attempt 2

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# bundle exec rake generate && bundle exec rake deploy
Username for 'https://github.com': [enter your username]
Password for 'https://username@github.com': [enter your password]

Success!