Just add to PATH for now

almalinux-devtoolset11/Dockerfile

@@ -3,10 +3,8 @@ FROM almalinux:8-minimal
 USER 0
 
 # Need shadow-utils for groupadd and useradd
-# TODO: "source scl_source enable gcc-toolset-11" only applies to current session
 RUN curl -fsSL https://rpm.nodesource.com/setup_18.x | bash - && \
   microdnf install -y shadow-utils make nodejs python3 gcc-toolset-11 && \
-  source scl_source enable gcc-toolset-11 && \
   ln -s python3 /usr/bin/python && \
   microdnf clean all && \
   rm -rf /var/cache/yum && \
@@ -16,14 +14,13 @@ RUN curl -fsSL https://rpm.nodesource.com/setup_18.x | bash - && \
   python --version
 
 USER node
-ENV HOME /home/node
+ENV HOME=/home/node
 
-# Testing
-RUN gcc -dumpversion
-RUN echo -e '#include <stdio.h>\n#include <gnu/libc-version.h>\nint main(){printf("%u.%u\\n",__GLIBC__,__GLIBC_MINOR__);}' | gcc -xc++ -o dummy - && ./dummy
+# Add gcc to PATH as alternative to "source scl_source enable gcc-toolset-11"
+ENV PATH=/opt/rh/gcc-toolset-11/root/usr/bin:$PATH
 
 # Disable npm update check
-ENV NO_UPDATE_NOTIFIER true
-ENV npm_config_update_notifier false
+ENV NO_UPDATE_NOTIFIER=true
+ENV npm_config_update_notifier=false
 
 WORKDIR /app