Public | Automated Build

Last pushed: 19 days ago
Short Description
GitBook site generator implemented as an S2I builder.
Full Description

GitBook Site Generator

This repository implements a GitBook site generator and hosting service. It is implemented as a Source-to-Image (S2I) builder and can be used to generate a standalone Docker-formatted image which you can run with any container runtime supporting Docker-formatted images. Alternatively the S2I builder can be used in conjunction with OpenShift to handle both the build and deployment of the generated GitBook formatted site.

Integration With OpenShift

To use this with OpenShift, it is a simple matter of creating a new application within OpenShift, pointing the S2I builder at the Git repository containing your GitBook document source.

As an example, to build and host the awesome Django tutorial created by DjangoGirls, you only need run:

oc new-app getwarped/s2i-gitbook-server:2.3~https://github.com/DjangoGirls/tutorial.git --name djangogirls

oc expose svc/djangogirls

To have any changes to your document source automatically redeployed when changes are pushed back up to your Git repository, you can use the web hooks integration of OpenShift to create a link from your Git repository hosting service back to OpenShift.

Do be aware that GitBook appears to a bit of a memory hog and for the Django Girls tutorial can require as much as 1Gi during the build phase. If your OpenShift installation defines default limits on memory of 512Mi or less for time bound compute resources, you would need to edit the build configuration and increase the memory limit to 1Gi.

To make it easier to override the build time memory limit and deploy a GitBook site, a template for OpenShift is also included. This can be loaded into your project using:

oc create -f https://raw.githubusercontent.com/getwarped/s2i-gitbook-server/master/template.json

Once loaded, select the gitbook-server template from the web console when wanting to add a new site to the project.

The template details are:

Name:        gitbook-server
Description:    GitBook Server
Annotations:    tags=instant-app,gitbook

Parameters:
    Name:        APPLICATION_NAME
    Description:    The name of the application.
    Required:        true
    Value:        gitbook-server

    Name:        SOURCE_REPOSITORY
    Description:    Git repository for source.
    Required:        true
    Value:        <none>

    Name:        SOURCE_DIRECTORY
    Description:    Sub-directory for source files.
    Required:        false
    Value:        <none>

    Name:        BUILD_MEMORY_LIMIT
    Description:    Build time memory limit.
    Required:        true
    Value:        512Mi

Objects:
    ImageStream        ${APPLICATION_NAME}
    ImageStream        ${APPLICATION_NAME}-s2i
    DeploymentConfig    ${APPLICATION_NAME}
    Service        ${APPLICATION_NAME}
    Route        ${APPLICATION_NAME}

The APPLICATION_NAME and SOURCE_REPOSITORY must be specified. Override the BUILD_MEMORY_LIMIT and set it to a higher memory value if the gitbook application keeps getting killed when processing the site data.

Standalone Docker Images

To create a standalone Docker-formatted image, you need to install the s2i program from the Source-to-Image (S2I) project locally. Once you have this installed, you would run within your Git repository:

s2i build . getwarped/s2i-gitbook-server:2.3 mygitbooksite

In this case this will create a Docker-formatted image called mygitbooksite. You can then run the image using:

docker run --rm -p 8080:8080 mygitbooksite
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getwarped
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