diff --git a/tests/dev_container.sh b/tests/dev_container.sh
index bb62f5b..6fe6971 100755
--- a/tests/dev_container.sh
+++ b/tests/dev_container.sh
@@ -1,2 +1,23 @@
-#!/bin/sh
+#!/bin/bash
+set -euxo pipefail
+
+# Check that we are the rstudio user.
+[ "$(whoami)" == "rstudio" ]
+
+# Check the OpenSAFELY research-template example runs.
 opensafely run run_all
+
+# Check the Python packages are as the Python image from which they are taken.
+python_image_version="v2"
+opensafely pull "python:$python_image_version"
+
+docker_python_packages=$(docker run ghcr.io/opensafely-core/python:$python_image_version python -m pip freeze)
+local_python_packages=$(/opt/venv/bin/python3.10 -m pip freeze)
+diff <(echo "$local_python_packages") <(echo "$docker_python_packages")
+
+# Check the RStudio server is running.
+curl -L http://localhost:8787 | grep "RStudio"
+
+# Check the RStudio server installation
+sudo rstudio-server stop
+sudo rstudio-server verify-installation