From cf36693ce63ec2c5b31e6856f31cfb2b3d821bb6 Mon Sep 17 00:00:00 2001
From: aler9 <46489434+aler9@users.noreply.github.com>
Date: Wed, 6 Oct 2021 15:21:57 +0200
Subject: [PATCH] update readme

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 664b806c..31c0bc66 100644
--- a/README.md
+++ b/README.md
@@ -93,6 +93,8 @@ The `--network=host` flag is mandatory since Docker can change the source port o
 docker run --rm -it -e RTSP_PROTOCOLS=tcp -p 8554:8554 -p 1935:1935 aler9/rtsp-simple-server
 ```
 
+Please keep in mind that the Docker image doesn't include _FFmpeg_. if you need to use _FFmpeg_ for a custom command or anything else, you need to build a Docker image that contains both _rtsp-simple-server_ and _FFmpeg_, by following instructions [here](https://github.com/aler9/rtsp-simple-server/issues/183#issuecomment-760856015).
+
 ## Basic usage
 
 1. Publish a stream. For instance, you can publish a video/audio file with _FFmpeg_: