🎉 A small milestone but an important one:

$ ./pants run examples:oci
23:08:03.54 [INFO] Initializing scheduler...
23:08:03.69 [INFO] Scheduler initialized.
23:08:04.90 [INFO] Completed: Fused run of: Package OCI Image Bundle: examples:oci | Configure OCI Image: examples:oci
Hello from inside Runc!
Args:  ['/examples/example.pex']
Python Version: 3.9.2
Hostname: umoci-default
Env:
         PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
         TERM xterm
         LANG C.UTF-8
         SSL_CERT_FILE /etc/ssl/certs/ca-certificates.crt
         BUILT_BY pants.oci
         HOME /root
         PEX /examples/example.pex

Thanks for all the help so far! 🙂