Configuring the build

The build configuration is set in the config.yml file in a project's root directory. Supported options are outlined below.

env

Description

The env is the current build environment.

Default Value

development

theme

Description

The theme is the name of the current theme, which must map to a name of a directory in the themes directory.

Default Value

b-ber-theme-serif

src

Description

The src is the name of the source directory.

Default Value

_project

dist

Description

The dist is the prefix for the name of the build directory. When building an EPUB, the output directory name will be project-epub.

Default Value

project

cache

Description

Define whether b-ber-reader should cache CSS in localStorage.

Default Value

true

ibooks_specified_fonts

Description

The ibooks_specified_fonts option allows for custom fonts to be set as the default in applications that support this feature in the content.opf.

Default Value

false

themes_directory

Description

The themes_directory defines the location of the themes directory for third-party themes.

Default Value

./themes

autoprefixer_options

Description

The autoprefixer_options defines the Autoprefixer options to be used when parsing SCSS. More information can be found in the postcss Autoprefixer repository.

Default Value

  browsers:
    - 'last 2 versions'
    - '> 2%'
  flexbox: no-2009

ignore

Description

The ignore provides an option to ignore specific files or folders, which can useful when used with build-specific configuration files for omitting unneeded assets.

Default Value

[]

base_url

Description

The base_url is the URL to map assets to during the web build.

Default Value

http://localhost:4000/

base_path

Description

The base_path is the path that will be appended to the URL for the reader build.

Default Value

/

remote_url

Description

The remote_url is the URL where the project is hosted for the reader build.

Default Value

http://localhost:4000/

reader_url

Description

The reader_url is the URL where the remote reader build is located.

Default Value

http://localhost:4000/project-reader

bucket_url

Description

The bucket_url is the S3 bucket URL where the remote project is located, which is used during the deploy task.

Default Value

null

private

Description

A robots meta tag is added to the XHTML during web and reader builds. Setting this option to true will set the this meta tags content to nofollow,noidex.

Default Value

false

downloads

Description

The downloads key defines the downloads that are available in the Reader's dropdown menu. The dropdown menu will be populated from the following keys in each entry in the downloads array:

• url
• label
• description

Default Value

[]

remote_javascripts

Description

The remote_javascripts is the location of any remotely hosted JavaScript files. The URLs added here will be injected into the HTML before the closing body tag.

Default Value

null

remote_stylesheets

Description

The remote_stylesheets is the location of any remotely hosted stylesheets. The URLs added here will be injected into the HTML's head element.

Default Value

null

ui_options

Description

The ui_options define the UI display settings for header and footer navigation icons in the reader build. The object labels accept boolean values.

Default Value

navigation:
  header_icons:
    home: true
    toc : true
    downloads : true
    info: true
  footer_icons:
    page : true
    chapter : true

group_footnotes

Description

The group_footnotes option will control if the footnotes counter is reset for each chapter. Defaults to true, which causes the footnote numbers to be reset for each chapter. Setting it to false will not reset the counter on each chapter.

Default Value

true

A sample configuration file is below that can be used as a template:

# ------------------------------------------------------------------------------
# Build Settings
# ------------------------------------------------------------------------------

# Minify and uglify scripts and stylesheets for production
env: development

# ------------------------------------------------------------------------------
# File System Settings
# ------------------------------------------------------------------------------

# Location of the source directory which contains all project assets
src: _project

# Output directory for the compiled project
dist: project

# Cache assets for b-ber-reader
cache: true

# Ignored files or folders
ignore:
  - _project/_fonts/
  - _project/_images/my-image.jpg

# Remotly hosted assets to be injected into builds
remote_javascripts:
  - https://my-analytics.js

remote_stylesheets:
  - https://my-remote-styles-1.css
  - https://my-remote-styles-2.css

# ------------------------------------------------------------------------------
# Display Settings
# ------------------------------------------------------------------------------

# Selected theme name. Show installed themes by running `bber theme list`
theme: b-ber-theme-serif

# Directory where user themes are stored
themes_directory: ./themes

# iBooks setting for enabling third-party fonts
ibooks_specified_fonts: false

# Autoprefixer. See complete list of options here: https://github.com/postcss/autoprefixer#options
autoprefixer_options:
  browsers:
    - 'last 2 versions'
    - '> 2%'
  flexbox: no-2009

# Show or hide various UI buttons for the reader build
ui_options:
  navigation:
    header_icons:
      home: true
      toc : true
      downloads : true
      info: true
    footer_icons:
      page : true
      chapter : true

group_footnotes: true

# ------------------------------------------------------------------------------
# Deployment Settings
# ------------------------------------------------------------------------------

# Add a no-follow tag to the web build for private projects.
private: false

# Location of assets for the web build. This is necessary since the web build is
# a static website, and requires correct remote path names to load assets.
base_url: /demos/my-project

# Path that will be prepended to the URL when rendering the reader. This is
# useful for creating logical URL structures in an existing application, e.g.,
# on a website hosting projects, the `base_path` could be changed to `/project` so
# that all reader projects are served at `/project/my-project`.
base_path: /demos/my-project

# Location of the remotely hosted project.
remote_url: https://s3.amazonaws.com/my-bucket/my-object

# Location of the reader directory in the remotely hosted project.
reader_url: https://s3.amazonaws.com/my-bucket/my-object/project-reader

# Location of the S3 bucket where a build is hosted. This is used during the `bber deploy`.
bucket_url: s3://my-bucket/my-object
remote_url: https://example.com/

# URLs for remote downloads. These are available to download in the web and reader interfaces
downloads:
  -
    url: https://s3.amazonaws.com/my-bucket/my-object/my-project.epub
    label: My Project (EPUB Version)
    description: Download the EPUB here
  -
    url: https://s3.amazonaws.com/my-bucket/my-object/my-project.pdf
    label: My Project (PDF Version)
    description: Download the PDF here