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Hosting your own Shields server

Installation

You will need Node 8 or later, which you can install using a package manager.

On Ubuntu / Debian:

curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -; sudo apt-get install -y nodejs
git clone https://github.com/badges/shields.git
cd shields
npm install  # You may need sudo for this.

Build the frontend

LONG_CACHE=true npm run build

Start the server

sudo node server

The server uses port 80 by default, which requires sudo permissions.

There are two ways to provide an alternate port:

PORT=8080 node server
node server 8080

The root gets redirected to https://shields.io.

For testing purposes, you can go to http://localhost/.

Heroku

Once you have installed the Heroku Toolbelt:

heroku login
heroku create your-app-name
heroku config:set BUILDPACK_URL=https://github.com/mojodna/heroku-buildpack-multi.git#build-env
make deploy
heroku open

Docker

You can build and run the server locally using Docker. First build an image:

$ docker build -t shields .
Sending build context to Docker daemon 3.923 MB
…
Successfully built 4471b442c220

Optionally, create a file called shields.env that contains the needed configuration. See shields.example.env for an example.

Then run the container:

$ docker run --rm -p 8080:80 --name shields shields
# or if you have shields.env file, run the following instead
$ docker run --rm -p 8080:80 --env-file shields.env --name shields shields

> gh-badges@1.1.2 start /usr/src/app
> node server.js

http://[::1]/

Assuming Docker is running locally, you should be able to get to the application at http://localhost:8080/.

If you run Docker in a virtual machine (such as boot2docker or Docker Machine) then you will need to replace localhost with the IP address of that virtual machine.

Zeit Now

To deploy using Zeit Now:

npm run build  # Not sure why, but this needs to be run before deploying.
now

Persistence

To enable Redis-backed GitHub token persistence, point REDIS_URL to your Redis installation.

Server secrets

You can add your own server secrets in private/secret.json.

These are documented in server-secrets.md

Separate frontend hosting

If you want to host the frontend on a separate server, such as cloud storage or a CDN, you can do that.

First, build the frontend, pointing BASE_URL to your server.

LONG_CACHE=true BASE_URL=https://your-server.example.com npm run build

Then copy the contents of the build/ folder to your static hosting / CDN.

There are also a couple settings you should configure on the server.

If you want to use server suggestions, you should also set ALLOWED_ORIGIN:

ALLOWED_ORIGIN=http://my-custom-shields.s3.amazonaws.com,https://my-custom-shields.s3.amazonaws.com

This should be a comma-separated list of allowed origin headers. They should not have paths or trailing slashes.

To help out users, you can make the Shields server redirect the server root. Set the REDIRECT_URI environment variable:

REDIRECT_URI=http://my-custom-shields.s3.amazonaws.com/

Sentry

In order to enable integration with Sentry, you need your own Sentry DSN. It’s an URL in format https://{PUBLIC_KEY}:{SECRET_KEY}@sentry.io/{PROJECT_ID}.

How to obtain the Sentry DSN

  1. Sign up for Sentry
  2. Log in to Sentry
  3. Create a new project for Node.js
  4. You should see Sentry DSN for your project. Sentry DSN can be found by navigating to [Project Name] -> Project Settings -> Client Keys (DSN) as well.

Start the server using the Sentry DSN. You can set it:

  • by SENTRY_DSN environment variable
sudo SENTRY_DSN=https://xxx:yyy@sentry.io/zzz node server
  • or by sentry_dsn secret property defined in private/secret.json
sudo node server

Prometheus

Shields uses prom-client to provide default metrics. These metrics are disabled by default. You can enable them by METRICS_PROMETHEUS_ENABLED environment variable. Moreover access to metrics resource is blocked for requests from any IP address by default. You can provide a regular expression with allowed IP addresses by METRICS_PROMETHEUS_ALLOWED_IPS environment variable.

METRICS_PROMETHEUS_ENABLED=true METRICS_PROMETHEUS_ALLOWED_IPS="^127\.0\.0\.1$" npm start

Metrics are available at /metrics resource.