diff --git a/README.md b/README.md
index 7aa15be..c0e46da 100644
--- a/README.md
+++ b/README.md
@@ -48,10 +48,18 @@ You can configure project details in `settings.js`. [See file for more details](
 
 ### Run in docker to reduce some of the risks
 
+If you intent to `allow_insecure_coding` it might be a good idea to put the whole app into a docker container to reduce risks of damaging your system via a malicious code.
+
 ```
 docker run -i -t --rm -v $(pwd):/usr/src/app -w /usr/src/app node:latest npm start
 ```
 
+When running in docker, if you want the bot to join your local minecraft server, you have to use special host address to call your localhost from your docker container: `host.docker.internal`. Put this into your `settings.json`:
+
+```
+"host": "host.docker.internal", // instead of "localhost", to join your local miecraft from inside the docker container
+```
+
 ### Online Servers
 To connect to online servers your bot will need an official Microsoft/Minecraft account. You can use your own personal one, but will need another account if you want to connect with it. Here are example settings for this:
 ```