add dev instructions and coverage script

README.md

@@ -49,10 +49,22 @@ MQTT_PASSWORD=
 ```
 ### Node.js
 It's a typical node.js application, define the same environment values as described in the docker sections and run with:
-`npm run start`. Currently only tested with Node.js 12.x.
+`npm run start`. Currently, only tested with Node.js 12.x.
 
 ### Home Assistant configuration templates
-MQTT auto discovery is enabled, for further integrations see [HA-MQTT.md](HA-MQTT.md).
+MQTT auto discovery is enabled. For further integrations see [HA-MQTT.md](HA-MQTT.md).
+
+## Development
+### Running
+`npm run start`
+### Testing
+`npm run test`
+### Coverage
+`rpm run coverage`
+### Releases
+`npm version [major|minor|patch] -m "Version %s" && git push --follow-tags`
+
+Publish the release on GitHub to trigger a release build (ie, update 'latest' docker tag).
 
 ## TODO
 1. Logging library

package.json

@@ -4,6 +4,7 @@
   "description": "OnStarJS wrapper for MQTT",
   "main": "src/index.js",
   "scripts": {
+    "coverage": "nyc npm test",
     "start": "node src/index.js",
     "test": "mocha"
   },