2015-08-30 Blog post on stj.me

error1.log

/pipeline/cache/bundle-install/ruby/2.2.0/gems/execjs-2.6.0/lib/execjs/runtimes.rb:48:in `autodetect': Could not find a JavaScript runtime. See https://github.com/rails/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)
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	from /pipeline/cache/bundle-install/ruby/2.2.0/gems/jekyll-2.5.3/bin/jekyll:6:in `require'
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	from /pipeline/cache/bundle-install/ruby/2.2.0/bin/jekyll:23:in `load'
	from /pipeline/cache/bundle-install/ruby/2.2.0/bin/jekyll:23:in `<main>'

Gemfile

source 'https://rubygems.org'
ruby '2.2.3'

# JavaScript Exec tool
gem 'therubyracer'

# Jekyll and plugins
gem 'jekyll'
gem 'jekyll-timeago'
gem 'jekyll-gist'

# Markdown renderer
gem 'kramdown'

node_wercker.yml

box: ruby

build:
  steps:
    # Install gem dependencies
    - bundle-install

    # Install node.js
    - script:
        name: install node
        code: |-
          curl -sL https://deb.nodesource.com/setup_0.12 | bash -
          apt-get install -y nodejs

    # Run some basic health checks
    - script:
        name: health check
        code: bundle exec jekyll doctor --trace

    # Generate site locally
    - script:
        name: generate site
        code: bundle exec jekyll build --trace

wercker.yml

box: ruby

build:
  steps:
    # Install gem dependencies
    - bundle-install

    # Run some basic health checks
    - script:
        name: health check
        code: bundle exec jekyll doctor --trace

    # Generate site locally
    - script:
        name: generate site
        code: bundle exec jekyll build --trace