Looks like is Reflex is attempting to use Node.js version v18.17.0, which requires GLIBC_2.36, but this version of GLIBC is not found in the build environment.
> [stage-0 12/16] RUN reflex export --frontend-only --no-zip --loglevel debug:
5.836 File "/opt/venv/lib/python3.11/site-packages/reflex/utils/prerequisites.py", line 58, in get_node_version
5.836 packaging.version.InvalidVersion: Invalid version: '/root/.local/share/reflex/fnm/node-versions/v18.17.0/installation/bin/node: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.36' not found (required by /nix/store/xpxln7rqi3pq4m0xpnawhxb2gs0mn1s0-gcc-12.3.0-lib/lib/libstdc++.so.6)
> [stage-0 12/16] RUN reflex export --frontend-only --no-zip --loglevel debug:
5.836 File "/opt/venv/lib/python3.11/site-packages/reflex/utils/prerequisites.py", line 58, in get_node_version
5.836 packaging.version.InvalidVersion: Invalid version: '/root/.local/share/reflex/fnm/node-versions/v18.17.0/installation/bin/node: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.36' not found (required by /nix/store/xpxln7rqi3pq4m0xpnawhxb2gs0mn1s0-gcc-12.3.0-lib/lib/libstdc++.so.6)