diff --git a/Dockerfile b/Dockerfile
index 0762663..b4ad8b7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,7 +27,8 @@ RUN chmod +x /dcv/bin/dcv
 RUN addgroup dcv && \
     adduser -D -G dcv -s /bin/bash -g "docker-compose-viz" -h /input dcv
 
-USER dcv
+#USER dcv
+USER root
 VOLUME /input
 WORKDIR /input
 
diff --git a/README.md b/README.md
index 1dac066..33748d9 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,8 @@
 Considering the current working directory is where your `docker-compose.yml` file is located:
 
 ```bash
+docker build . -t pmsipilot/docker-compose-viz
+
 docker run --rm -it --name dcv -v $(pwd):/input pmsipilot/docker-compose-viz render -m image docker-compose.yml
 
 # PowerShell