Version the API endpoint path

cmd/reports-collector/main.go

@@ -25,7 +25,7 @@ func main() {
 
 	// Create the http.Server.
 	mux := http.NewServeMux()
-	mux.Handle("/ingest", collector)
+	mux.Handle("/ingest/v1", collector)
 	server := &http.Server{
 		Addr:         *addr,
 		Handler:      mux,

collector.go

@@ -31,10 +31,6 @@ func NewCollector(sink Sink, handlers ...Handler) *Collector {
 }
 
 func (c *Collector) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	if req.URL.Path != "/" {
-		http.NotFound(w, req)
-		return
-	}
 	if req.Method != http.MethodPost {
 		http.Error(w, "Bad method", http.StatusMethodNotAllowed)
 		return