Add docker based quickstart to README

README.md

@@ -19,6 +19,17 @@ worth my time.
 
 ## How
 
+### Quickstart
+
+To run a test service locally on your machine:
+
+```shell
+mkdir $HOME/ubs-data
+docker run -d -v $HOME/ubs-data:/data -p 9999:8090 registry.gitlab.com/mporrato/ubrowsersync/ubsserver
+```
+
+Then point the xBrowserSync browser extension to `http://127.0.0.1:9999`.
+
 ### Building
 
 You can get prebuilt binaries for a number of platforms from the gitlab repository in the "Download artifacts" section.
@@ -26,10 +37,6 @@ To build from source, just run:
 
 `go install ./cmd/ubsserver`
 
-It is also possible to build a very basic Docker container image by running:
-
-`docker build -t ubsserver -f docker/ubsserver/Dockerfile .`
-
 ### Running
 
 To run the binary you just built:
@@ -52,13 +59,6 @@ There are a few command line flags that can be used to change the behaviour of t
   - `-maxsize $size`: changes the maximum size of a sync (in bytes) that can be accepted by the API. The default is set
     to 512000.
 
-If you built the container image, you can run the containerised version:
-
-`docker run -it --rm -v /tmp/data:/data -p 8888:8090 localhost/ubsserver`
-
-You can replace `/tmp/data` with the name of the directory where you want to store sync data and `8888` with the port
-where you want to expose the API service.
-
 ## Roadmap
 
 There are a few missing features that I would like to add.