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homelab-frontend/tasks/2.7-rerank-rewrite.md
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chore: initial commit of Go API gateway
Baseline for the Kong replacement on api.riotpiao.com. Brings the working
tree under version control for the first time: gateway source, the task
board that drives the agent runs, test fixtures, and K8s manifests.

Anchor the gateway ignore rule to the repo root. Unanchored, "gateway"
also matched the cmd/gateway/ source directory, so the program entrypoint
was excluded from every commit.

Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
2026-08-19 20:54:34 -07:00

1.2 KiB

2.7 — POST /v1/rerank path rewrite (GREEN)

Phase: 2 — LLM surface Stage: GREEN Depends on: 2.1, 1.1

  • POST /v1/rerank reaches reranker-predictor.llm-serving:80 at the path /rerank
  • The rewrite is expressed in the route configuration, not special-cased in dispatch code
  • The request body is forwarded byte-identical, and the upstream response body is returned byte-identical
  • The route's connect timeout is 10s and its read and write timeouts are 10m, explicit in configuration
  • The route has an explicit body size cap
  • A request to /v1/rerank never reaches the upstream as /v1/rerank

TEI does not serve /v1/rerank: probing it returned 404, while /rerank returned 405 for the wrong method — that is how the correct upstream path was established. The model served here is BAAI/bge-reranker-base. Port is 80, not 8080. This is the only route in the LLM surface that rewrites its path.

Verify

curl -s -i localhost:8080/v1/rerank -H 'content-type: application/json' \
  -d '{"model":"BAAI/bge-reranker-base","query":"q","texts":["a","b"]}'
# expected: 200, reranker stub recorded exactly one hit at path /rerank and zero at /v1/rerank