Updated to 3.4.12

Author: tfr42

README.md

@@ -1,6 +1,6 @@
 # Supported tags and respective `Dockerfile` links
 
-- `v3.4.11` (`latest`), `v3.4.10`, `v3.4.9`, `v3.4.8`, `v3.4.7`, `v3.4.6`, `v3.4.5`, `v3.4.4`, `v3.4.3`, `v3.4.2`, `v3.4.1`, `v3.4.0`      - [Dockerfile](https://github.com/deegree/deegree3-docker/blob/master/Dockerfile)
+- `v3.4.12` (`latest`), `v3.4.11`, `v3.4.10`, `v3.4.9`, `v3.4.8`, `v3.4.7`, `v3.4.6`, `v3.4.5`, `v3.4.4`, `v3.4.3`, `v3.4.2`, `v3.4.1`, `v3.4.0` - [Dockerfile](https://github.com/deegree/deegree3-docker/blob/master/Dockerfile)
 
 # Quick reference
 
@@ -30,5 +30,5 @@ All images are based on the official Apache Tomcat 8.5+ with OpenJDK 8 image.
 To start a docker container with the name `deegree` on port 8080 run the following command:
 
 ```
-docker run --name deegree --rm -p 8080:8080 deegree/deegree3-docker
+docker run --name deegree -p 8080:8080 deegree/deegree3-docker
 ```