diff --git a/dev.Dockerfile b/dev.Dockerfile
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+# This Dockerfile builds an image to quickly iterate on the kaggle libraries.
+#
+# Create a new image with the latest kaggle librairies using the latest image
+# built by CI with a successful test run as the base.
+#
+# Usage:
+#   cd path/to/docker-python
+#   docker build -t kaggle/python-dev -f dev.Dockerfile .
+#
+#   # you can run a container using the image using:
+#   docker run -it --rm kaggle/python-dev /bin/bash
+#
+#   # you can run the tests against this new image using:
+#   ./test -i kaggle/python-dev -p test_user_secrets.py
+#
+FROM gcr.io/kaggle-images/python:staging
+
+ADD patches/kaggle_gcp.py /root/.local/lib/python3.7/site-packages/kaggle_gcp.py
+ADD patches/kaggle_secrets.py /root/.local/lib/python3.7/site-packages/kaggle_secrets.py
+ADD patches/kaggle_session.py /root/.local/lib/python3.7/site-packages/kaggle_session.py
+ADD patches/kaggle_web_client.py /root/.local/lib/python3.7/site-packages/kaggle_web_client.py
+ADD patches/kaggle_datasets.py /root/.local/lib/python3.7/site-packages/kaggle_datasets.py
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