diff --git a/README.md b/README.md
index 13c8e6f..22fbc41 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@ Tool to extract Let's Encrypt certificates from Traefik's ACME storage file.
 ## Installation
 ```
 git clone https://github.com/DanielHuisman/traefik-certificate-extractor
+cd traefik-certificate-extractor
 ```
 
 ## Usage
@@ -13,6 +14,13 @@ python3 extractor.py [directory]
 ```
 Default directory is `./data`. The output directory is `./certs`.
 
+## Docker
+There is a Docker image available for this tool: [danielhuisman/traefik-certificate-extractor](https://hub.docker.com/r/danielhuisman/traefik-certificate-extractor/).
+Example run:
+```
+docker run --name extractor -d -v /srv/extractor/data:/app/data -v /srv/extractor/certs:/app/certs danielhuisman/traefik-certificate-extractor
+```
+
 ## Output
 ```
 certs/