config.yaml.erb

<%
cvars = {
  'mwapi'     => scope.lookupvar('service::configuration::mwapi_uri'),
  'restbase'  => scope.lookupvar('service::configuration::restbase_uri'),
  'gelf_host' => scope.lookupvar('service::configuration::logstash_host'),
  'gelf_port' => scope.lookupvar('service::configuration::logstash_port'),
  'stat_host' => scope.lookupvar('service::configuration::statsd_host'),
  'stat_port' => scope.lookupvar('service::configuration::statsd_port'),
  'proxy'     => scope.lookupvar('service::configuration::http_proxy')
}

cvars.keys.each do |k|
  cvars[k] = '' if cvars[k].nil? or ['undef', ''].include? cvars[k].to_s
end
%>
# Number of worker processes to spawn.
# Set to 0 to run everything in a single process without clustering.
# Use 'ncpu' to run as many workers as there are CPU units
num_workers: <%= @no_workers %>

# Log error messages and gracefully restart a worker if v8 reports that it
# uses more heap (note: not RSS) than this many mb.
worker_heap_limit_mb: <%= @heap_limit %>

# Number of milliseconds to wait for a heartbeat from a worker before killing
# and restarting it
worker_heartbeat_timeout: <%= @heartbeat_to %>

# Logger info
logging:
  name: <%= @logging_name %>
  level: warn
  streams:
  # Use gelf-stream -> logstash
  - type: gelf
    host: <%= cvars['gelf_host'] %>
    port: <%= cvars['gelf_port'] %>
<% if @local_logging -%>
  - type: file
    path: <%= @local_logfile %>
    level: info
<% end -%>

# Statsd metrics reporter
metrics:
  name: <%= @statsd_prefix %>
  type: statsd
  host: <%= cvars['stat_host'] %>
  port: <%= cvars['stat_port'] %>

services:
  - name: <%= @title %>
    # a relative path or the name of an npm package, if different from name
    module: <%= @starter_module %>
    entrypoint: <%= @entrypoint %>
    # optionally, a version constraint of the npm package
    # version: ^0.4.0
    # per-service config
    conf:
      # the port to bind to
      port: <%= @port %>
      # IP address to bind to, all IPs by default
      # interface: localhost # uncomment to only listen on localhost
      # allow cross-domain requests to the API (default '*')
      cors: '*'
      # to disable use:
      # cors: false
      # to restrict to a particular domain, use:
      # cors: restricted.domain.org
      # URL of the outbound proxy to use (complete with protocol)
      proxy: <%= cvars['proxy'] %>
      # the template used for contacting the MW API
      mwapi_req:
        method: post
        uri: <%= cvars['mwapi'] %>
        headers:
          host: '{{request.params.domain}}'
          user-agent: '{{user-agent}}'
        body: '{{ default(request.query, {}) }}'
      # the template used for contacting RESTBase
      restbase_req:
        method: '{{request.method}}'
        uri: <%= cvars['restbase'] %>/{{domain}}/v1/{+path}
        query: '{{ default(request.query, {}) }}'
        headers: '{{request.headers}}'
        body: '{{request.body}}'