Salieri is a lightweight Express-based server written in ES6 for experimenting with the composition of web content using JSON envelopes and Mustache templates. It is not intended for production use.

## Requirements

• Node.js v6 and above is required (because some features of ES6 are used)

## Installation

1. git clone this GitHub repo
2. Run npm install -g salieri to be able to invoke it from anywhere (optional)

Usage

$ salieri --help

Usage: salieri [options] -t <template> -c <config>

Options:
  --template, -t  path to page template                               [required]
  --config, -c    path to page config JSON                            [required]
  --cert          use specified client certificate for TLS
  --cacert        use specified CA certificate for TLS
  --labelall, -l  show labels for all components to help with debugging
                                                                [default: false]
  --help          Show help                                            [boolean]

For example:

$ salieri -c myconfig.json -t mytemplate.mustache

Salieri runs on port 3000 by default. Once it is running, point your browser at http://localhost:3000/

## Parameters

Endpoint parameters may be passed via the query string and will be interpolated into the page config JSON, for example:

http://localhost:3000/?topic=8abd564a-2b8e-401c-9916-34982cb67b55&country=gb

Troubleshooting

salieri uses the request module (via request-promise) to perform HTTP requests, so verbose console output to assist with debugging connection issues can be enabled by setting NODE_DEBUG=request; see https://github.com/request/request#debugging

### "unable to get local issuer certificate"

This error means that you have specified one or more HTTPS endpoints with certificates issued by unknown certificate authorities - use the --cacert option to specify the CA certificate.

Tests

Unit and integration and coding standards tests can be run via npm test. For more details see the package.json file.

Changelog

3.0.0

• restructured as a chain of Express middleware modules
• improved appearance of component labels and more helpful console output
• added integration tests to help make development safer

2.0.0

• refactored to make the code easier to maintain and extend
• added some unit tests
• added labels and noerrors debugging options
• command-line option parsing via yargs

### 1.0.0

• Initial version

## Known issues/limitations

• Requests not batched up to each host
• Incomplete support for respecting must_succeed flag