RHAIENG-287: fix(Dockerfiles): final pass with chatgpt5 to clean up the Hadolint fixes

Author: jiridanek

jupyter/datascience/ubi9-python-3.12/Dockerfile.cpu

@@ -23,7 +23,7 @@ RUN arch="${TARGETARCH:-$(uname -m)}" && \
     arch=$(echo "$arch" | cut -d- -f1) && \
     if [ "$arch" = "s390x" ]; then \
         echo "Skipping mongocli build for ${arch}, creating dummy binary"; \
-        mkdir -p /tmp && printf '#!/bin/sh\necho "mongocli not supported on s390x"' > /tmp/mongocli && \
+        mkdir -p /tmp && printf '#!/bin/sh\necho "mongocli not supported on s390x"\n' > /tmp/mongocli && \
         chmod +x /tmp/mongocli; \
     else \
         echo "Building mongocli for ${arch}"; \
@@ -69,7 +69,8 @@ RUN --mount=type=cache,target=/var/cache/dnf \
     dnf install -y $PACKAGES && \
     dnf clean all && rm -rf /var/cache/yum
 
-RUN <<EOF
+RUN /bin/bash <<'EOF'
+set -Eeuxo pipefail
 if [ "$TARGETARCH" = "s390x" ]; then
     # Install Rust and set up environment
     mkdir -p /opt/.cargo
@@ -89,7 +90,8 @@ fi
 EOF
 
 # Set python alternatives only for s390x (not needed for other arches)
-RUN <<EOF
+RUN /bin/bash <<'EOF'
+set -Eeuxo pipefail
 if [ "$TARGETARCH" = "s390x" ]; then
     alternatives --install /usr/bin/python python /usr/bin/python3.12 1
     alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 1

runtimes/datascience/ubi9-python-3.12/Dockerfile.cpu

@@ -51,6 +51,7 @@ RUN --mount=type=cache,target=/var/cache/dnf \
     fi
 
 RUN <<EOF
+set -Eeuxo pipefail
 if [ "$TARGETARCH" = "ppc64le" ]; then cat > /etc/profile.d/ppc64le.sh <<'PROFILE_EOF'
 export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig/
 export LD_LIBRARY_PATH=/usr/local/lib64:/usr/local/lib:/usr/lib64:/usr/lib:$LD_LIBRARY_PATH
@@ -65,6 +66,7 @@ EOF
 
 # For s390x only, set ENV vars and install Rust
 RUN <<EOF
+set -Eeuxo pipefail
 if [ "$TARGETARCH" = "s390x" ]; then
     # Install Rust and set up environment
     mkdir -p /opt/.cargo
@@ -85,6 +87,7 @@ EOF
 
 # Set python alternatives only for s390x (not needed for other arches)
 RUN <<EOF
+set -Eeuxo pipefail
 if [ "$TARGETARCH" = "s390x" ]; then
     alternatives --install /usr/bin/python python /usr/bin/python3.12 1
     alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 1