NO-JIRA: refactor(jupyter/minimal/Dockerfile.cuda): wrap multiple RUN commands with bash for improved readability and error handling (#2649)

Author: jiridanek

jupyter/minimal/ubi9-python-3.12/Dockerfile.cuda

@@ -36,7 +36,12 @@ EOF
 # upgrade first to avoid fixable vulnerabilities end
 
 # Install useful OS packages
-RUN dnf install -y perl mesa-libGL skopeo && dnf clean all && rm -rf /var/cache/yum
+RUN /bin/bash <<'EOF'
+set -Eeuxo pipefail
+dnf install -y perl mesa-libGL skopeo
+dnf clean all
+rm -rf /var/cache/yum
+EOF
 
 # Other apps and tools installed as default user
 USER 1001
@@ -91,21 +96,24 @@ USER 1001
 COPY ${MINIMAL_SOURCE_CODE}/pylock.toml ${MINIMAL_SOURCE_CODE}/start-notebook.sh ./
 
 # Install Python dependencies from requirements.txt file
-RUN echo "Installing softwares and packages" && \
-    # This may have to download and compile some dependencies, and as we don't lock requirements from `build-system.requires`,
-    #  we often don't know the correct hashes and `--require-hashes` would therefore fail on non amd64, where building is common.
-    uv pip install --strict --no-deps --no-cache --no-config --no-progress --verify-hashes --compile-bytecode --index-strategy=unsafe-best-match --requirements=./pylock.toml && \
-    # Disable announcement plugin of jupyterlab \
-    jupyter labextension disable "@jupyterlab/apputils-extension:announcements" && \
-    # Replace Notebook's launcher, "(ipykernel)" with Python's version 3.x.y \
-    sed -i -e "s/Python.*/$(python --version | cut -d '.' -f-2)\",/" /opt/app-root/share/jupyter/kernels/python3/kernel.json && \
-    # copy jupyter configuration
-    cp /opt/app-root/bin/utils/jupyter_server_config.py /opt/app-root/etc/jupyter && \
-    # Fix permissions to support pip in Openshift environments \
-    chmod -R g+w /opt/app-root/lib/python3.12/site-packages && \
-    fix-permissions /opt/app-root -P && \
-    # Apply JupyterLab addons \
-    /opt/app-root/bin/utils/addons/apply.sh
+RUN /bin/bash <<'EOF'
+set -Eeuxo pipefail
+echo "Installing softwares and packages"
+# This may have to download and compile some dependencies, and as we don't lock requirements from `build-system.requires`,
+#  we often don't know the correct hashes and `--require-hashes` would therefore fail on non amd64, where building is common.
+uv pip install --strict --no-deps --no-cache --no-config --no-progress --verify-hashes --compile-bytecode --index-strategy=unsafe-best-match --requirements=./pylock.toml
+# Disable announcement plugin of jupyterlab
+jupyter labextension disable "@jupyterlab/apputils-extension:announcements"
+# Replace Notebook's launcher, "(ipykernel)" with Python's version 3.x.y
+sed -i -e "s/Python.*/$(python --version | cut -d '.' -f-2)\",/" /opt/app-root/share/jupyter/kernels/python3/kernel.json
+# copy jupyter configuration
+cp /opt/app-root/bin/utils/jupyter_server_config.py /opt/app-root/etc/jupyter
+# Fix permissions to support pip in Openshift environments
+chmod -R g+w /opt/app-root/lib/python3.12/site-packages
+fix-permissions /opt/app-root -P
+# Apply JupyterLab addons
+/opt/app-root/bin/utils/addons/apply.sh
+EOF
 
 WORKDIR /opt/app-root/src