package main
import (
"context"
"errors"
"log"
"net/http"
"time"
)
// serveHTTP runs the panel's HTTP server until ctx is cancelled. Phase 1 serves
// only a placeholder page and a health check; the login flow and real UI arrive
// in Phase 2.
func serveHTTP(ctx context.Context, addr string) error {
mux := http.NewServeMux()
mux.HandleFunc("/healthz", handleHealth)
mux.HandleFunc("/", handleIndex)
srv := &http.Server{
Addr: addr,
Handler: mux,
ReadHeaderTimeout: 10 * time.Second,
}
// Shut the server down cleanly when the process is asked to stop.
go func() {
<-ctx.Done()
shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
_ = srv.Shutdown(shutdownCtx)
}()
log.Printf("http panel listening on %s", addr)
if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
return err
}
return nil
}
func handleHealth(w http.ResponseWriter, _ *http.Request) {
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.WriteHeader(http.StatusOK)
_, _ = w.Write([]byte("ok\n"))
}
func handleIndex(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
_, _ = w.Write([]byte(indexHTML))
}
const indexHTML = `
SelfPost
SelfPost
The control panel is starting up. Administrator setup and login arrive in a later build.
`