update icecast

icecast/README.md

@@ -1,2 +1,28 @@
 icecast
 =======
+
+[Icecast][1] is a streaming media project released as free software maintained
+by the Xiph.org Foundation.
+
+## docker-compose.yml
+
+```yaml
+icecast:
+  image: vimagick/icecast
+  ports:
+    - "8000:8000"
+  restart: always
+```
+
+## Server Setup
+
+```bash
+$ docker-compose up -d
+```
+
+## Client Setup
+
+- Linux: ices
+- MacOS: butt
+
+[1]: http://icecast.org/