docs: explain how to work with the dockerfile

README.md

@@ -9,29 +9,41 @@
 ## How to get started
 
 To install all needed `npm` packages:
-```sh
+```shell
 npm install
 ```
 
 To prepare the script to be executed, run:
-```sh
+```shell
 npm run build
 ```
 
 To execute the code in "CLI" script (basically to execute the connector):
-```sh
+```shell
 node lib/cli.js run <backendURL> <origin> <licensePlate>
 e.g.:
 node lib/cli.js run http://localhost:3000 minimal-connector f-u
 ```
 
 To run some sample tests, use:
-```sh
+```shell
 npm test
 ```
 
 The `npm` scripts are defined in `package.json` file.
 
+After building the project once, the connector image can be build.
+```shell
+docker build .
+```
+
+Use the following command to run the container of this connector. Assuming there is a local backend running.
+```shell
+docker run --network host <image-id> <backendURL> <origin> <licensePlate>
+e.g.:
+docker run --network host registry.gitlab.com/openstapps/minimal-connector http://localhost:3000 minimal-connector f-u
+```
+
 ## Creating your own connector
 
 1. Update the `executeConnector`-function in `cli.ts` according to the comments and needs of your connector