Update README.md

README.md

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-# Edirom-Online-build-image
-
+# sencha-cmd
+
+## Basic Information
+
+This dockerfile provides a build-environment for Sencha Apps. It is based on the `openjdk:8-jre-slim` Dockerimage and adds the following components:
+
+* wget
+* unzip
+* libfreetype6
+* ffontconfig
+* ruby
+* Apache Ant 1.10.10
+* SenchaCmd 7.3.0.19
+
+## building
+
+You can clone or download this repository and then build and run the Dockerimage on your local machine. Please make sure Docker is installed on your system.
+
+### Clone or Download
+
+Please refer to the options GitHub is offering you above with the green button, labeled “Code”.
+
+### Building
+
+For building the container please run the following command, replacing SOME-NAME with a label of your liking:
+
+```bash
+docker build -t SOME-NAME .
+```
+
+e.g.
+
+
+```bash
+docker build -t sencha-cmd .
+```
+
+### Running
+
+In order to run the container built according to the above instructions run the followig command, replacing SOME-NAME with the same name you used when building the container:
+
+```bash
+docker run --rm -it -v ABSOLUTE/PATH/TO/SENCHA/APP:/app --name SOME-NAME SOME-NAME
+```
+
+Please make sure to replace ABSOLUTE/PATH/TO/SENCHA/APP with the filesystem path to your sencha app in order to mount it under `/app` in the container.
+
+
+## License
+
+This work is licensed under the terms of the [MIT License](LICENSE).