diff --git a/Makefile b/Makefile
index a102480..033b96f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 PYTHON=python3
 VENV=.venv
 VENVPATH=$(VENV)/$(shell uname)-$(shell uname -m)-sdk-python
+VIRTUALENV = $(PYTHON) -m venv
 
 ENV=prod
 REGION=.learnosity.com
@@ -68,7 +69,7 @@ real-clean: clean
 # Python environment and dependencies
 venv: $(VENVPATH)
 $(VENVPATH):
-	unset PYTHONPATH; virtualenv -p$(PYTHON) $(VENVPATH)
+	unset PYTHONPATH; $(VIRTUALENV) $(VENVPATH)
 	$(call venv-activate); \
 		pip install -e .
 
diff --git a/docker.mk b/docker.mk
new file mode 100644
index 0000000..83a394c
--- /dev/null
+++ b/docker.mk
@@ -0,0 +1,12 @@
+PYTHON_VERSION = 3.9
+PWD = $(shell pwd -P)
+DKR = docker container run -t --rm \
+		-v $(PWD):/srv/sdk/python \
+		-v lrn-sdk-python_cache:/root/.cache:z,delegated \
+		-w /srv/sdk/python \
+		-e PYTHON_VERSION=$(PYTHON_VERSION) \
+		-e ENV -e REGION -e VER \
+		python:$(PYTHON_VERSION)
+
+%:
+	$(DKR) make -e $@