dockerimg: more exacting prompt for building a dockerfile
This morning's claude moving target has forgotten how a Dockerfile
works, and it tries injecting direct shell into the file. Tell it
everything should start with RUN.
For #83
For #85
diff --git a/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile b/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
index b98c741..6439190 100644
--- a/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_python_misery.dockerfile
@@ -17,23 +17,13 @@
# Switch to lenient shell so we are more likely to get past failing extra_cmds.
SHELL ["/bin/bash", "-uo", "pipefail", "-c"]
-# Install Python 3.11 (attempt to continue on failure)
-RUN apt-get update && apt-get install -y --no-install-recommends python3.11 python3.11-venv python3.11-dev python3-pip || true
+RUN apt-get update && apt-get install -y python3.11 python3-pip || true
-# Set up Python 3.11 as default Python
-RUN if command -v python3.11 &> /dev/null; then \
- update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 || true; \
- fi
+# Install DVC (Data Version Control)
+RUN pip3 install --no-cache-dir dvc || true
-# Install DVC tool
-RUN pip3 install dvc || true
-
-# Create and activate Python virtual environment if needed
-RUN if [ -f requirements.txt ]; then \
- python3 -m venv .venv || true; \
- source .venv/bin/activate || true; \
- pip install -r requirements.txt || true; \
- fi
+# Clean up apt cache to keep image smaller
+RUN apt-get clean && rm -rf /var/lib/apt/lists/*
# Switch back to strict shell after extra_cmds.
SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]