[docker] Improve docker integration

Author: g3force

Dockerfile

@@ -18,4 +18,4 @@ FROM alpine:3.9
 COPY --from=build_go /go/src/github.com/RoboCup-SSL/ssl-vision-client/release/ssl-vision-client_linux_amd64 /app/ssl-vision-client
 EXPOSE 8082
 ENTRYPOINT ["/app/ssl-vision-client"]
-CMD ["/app/ssl-vision-client", "-address", ":8082"]
+CMD ["/app/ssl-vision-client"]

README.md

@@ -9,14 +9,23 @@ A graphical client for [ssl-vision](https://github.com/RoboCup-SSL/ssl-vision) t
 shows them in a web-ui.
 
 ## Usage
-If you just want to use this app, simply download the latest [release binary](https://github.com/RoboCup-SSL/ssl-vision-client/releases/latest). The binary is self-contained. No dependencies are required.
+If you just want to use this app, simply download the latest [release binary](https://github.com/RoboCup-SSL/ssl-vision-client/releases/latest).
+The binary is self-contained. No dependencies are required.
+
+You can also use pre-build docker images:
+```shell script
+docker pull robocupssl/ssl-vision-client
+docker run -p 8082:8082 robocupssl/ssl-vision-client
+```
+
+By default, the UI is available at http://localhost:8082
 
 ## Development
 
 ### Requirements
 You need to install following dependencies first: 
- * Go >= 1.9
- * Node
+ * Go >= 1.14
+ * Node >= 10
  * Yarn
 
 ### Prepare

cmd/ssl-vision-client/main.go

@@ -10,7 +10,7 @@ import (
 	"net/http"
 )
 
-var address = flag.String("address", "localhost:8082", "The address on which the UI and API is served, default: localhost:8082")
+var address = flag.String("address", ":8082", "The address on which the UI and API is served, default: :8082")
 var visionAddress = flag.String("visionAddress", "224.5.23.2:10006", "The multicast address of ssl-vision, default: 224.5.23.2:10006")
 var visualizationAddress = flag.String("visualizationAddress", "224.5.23.2:10011", "The multicast address of visualization frames, default: 224.5.23.2:10011")