Compose Bridge for UDS: Transform Docker Compose files into UDS Packages for deployment

Compose Bridge for UDS is a specialized CLI tool designed to accelerate the migration of applications from local Docker Compose environments to Kubernetes clusters managed via Zarf and UDS. While general Compose-to-K8s converters exist, this tool targets a specific pain point: the 'Day 2' operational overhead. It doesn't just map containers to Pods; it synthesizes UDS Package Custom Resources (CRs) that handle the connective tissue—network policies, Keycloak SSO clients, and Prometheus monitoring—that usually requires manual YAML toil. Technically, the tool operates as a transformation layer. It consumes a resolved Compose model and emits a structured output ready for `zarf package create`. The inclusion of `x-uds` extension keys is a pragmatic design choice, allowing developers to stay within the Compose ecosystem while hinting at complex infrastructure requirements like custom trust-bundle ConfigMaps or specific gateway host overrides. The handling of `depends_on` via init-container wait logic using netcat is a classic, reliable pattern for managing service orchestration in a non-native Kubernetes environment. However, the tool has clear boundaries. The lack of support for bind mounts (forcing a shift to named volumes or configs) and the requirement for inline content in configs are restrictive for those with legacy file-system dependencies. Furthermore, the project is explicitly labeled as experimental and 'not a supported product pathway,' which signals that while the utility is high, the stability is still being vetted in the field. This tool is primarily for DevOps engineers and developers working within the Defense Unicorns ecosystem or those using Zarf for air-gapped deployments. It effectively reduces the friction of moving a prototype into a hardened environment, provided the application can adhere to the tool's specific configuration constraints.