diff --git a/.gitignore b/.gitignore
index bd3d4befd2..b402087020 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,6 +52,7 @@
 !configure.ac
 !copy-builtin
 !COPYRIGHT
+!Dockerfile
 !LICENSE
 !Makefile.am
 !META
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000000..383c1e677b
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,21 @@
+FROM debian:bullseye-slim
+
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN apt-get update
+
+RUN apt-get install -y \
+      debhelper-compat \
+      devscripts
+
+ENV WORK_DIR /zfs_app/zfs
+WORKDIR ${WORK_DIR}
+
+ADD . ${WORK_DIR}/
+
+RUN cp -a contrib/truenas debian
+RUN mk-build-deps --build-dep
+RUN apt install -y ./*.deb
+RUN dch -b -M --force-distribution --distribution bullseye-truenas-unstable "Tagged from ixsystems/zfs CI"
+RUN debuild -us -uc -b
+RUN apt-get install -y ../*.deb