Prerequisites

Requirement	Version
Java	21 or later
Maven	3.8+
PostgreSQL	16+
Docker / Podman + Compose	recent stable (only for the local development stack)

The development stack under stack/ brings up a PostgreSQL instance on the right port and version; you do not need to install PostgreSQL locally if you use the stack.

The service is built and published from a CI environment that uses the same toolchain. Refer to maven-node-build.yml for the exact versions used in CI.