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
commit 058f11cf2b
109 changed files with 8992 additions and 0 deletions
@@ -0,0 +1,36 @@
+package server
+
+import (
+	"net/http"
+)
+
+// Router implements an HTTP handler that routes health endpoints
+// and passes other requests to an upstream handler.
+type Router struct {
+	healthChecker     *HealthChecker
+	upstreamHandler   http.Handler
+}
+
+// NewRouter creates a new router with health endpoints.
+// Health endpoints (/healthz and /readyz) are handled locally.
+// All other paths are passed to the upstream handler.
+func NewRouter(healthChecker *HealthChecker, upstreamHandler http.Handler) *Router {
+	return &Router{
+		healthChecker:   healthChecker,
+		upstreamHandler: upstreamHandler,
+	}
+}
+
+// ServeHTTP implements http.Handler.
+// It routes /healthz and /readyz to health handlers,
+// and passes all other paths to the upstream handler.
+func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	switch req.URL.Path {
+	case "/healthz":
+		LivenessHandler(r.healthChecker)(w, req)
+	case "/readyz":
+		ReadinessHandler(r.healthChecker)(w, req)
+	default:
+		r.upstreamHandler.ServeHTTP(w, req)
+	}
+}