diff --git a/Dockerfile b/Dockerfile
index 34ea074..d403e6d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,4 +20,7 @@ RUN addgroup exporter &&\
 
 USER exporter
 
-ENTRYPOINT [ "/bin/mesos-exporter" ]
+ENV MODE ${MODE}
+ENV URL ${URL}
+
+ENTRYPOINT ./bin/mesos-exporter -master "$URL"
diff --git a/README.md b/README.md
index 6bd5eac..c9c3698 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,16 @@ When using HTTP or strict mode authentication, the following values are read fro
 - `MESOS_EXPORTER_PASSWORD`
 - `MESOS_EXPORTER_PRIVATE_KEY`
 
+## Docker
+```sh
+Usage of docker:
+
+For Master
+docker run --net="host" -e MODE=-master -e URL=http://localhost:5050 -p 9015:9015 mesos_exporter:latest
+
+For Slave
+docker run --net="host" -e MODE=-slave -e URL=http://localhost:5051 -p 9015:9015 mesos_exporter:latest
+```
 
 ## Prometheus Configuration