Replace Alpine-based legion-runner with a minimal Ubuntu 24.04 image.
The act_runner binary is copied from the official image via multi-stage
build. Job-specific tooling (Ruby, Node, Python, etc.) belongs in
per-job container images specified via container: in workflows, not
in the base runner image.
Rename: legion-runner → ci-base
- external-secrets.yaml: GITEA_INSTANCE_URL changed from cluster-internal
URL to https://git.neuralplatform.ai so runner can register externally
- gitea.yaml: add GITEA__actions__DEFAULT_ACTIONS_URL=gitea so all
actions/* references resolve from gitea.com, not github.com
- Dockerfile: track runner image (Python 3.12 + build deps) in repo