refactor: push commands in to cmd and ev to root as library

cmd/ev/svc.http.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"strings"
+
+	"github.com/rs/cors"
+	"github.com/sour-is/ev/internal/lg"
+	"github.com/sour-is/ev/pkg/env"
+	"github.com/sour-is/ev/pkg/mux"
+	"github.com/sour-is/ev/pkg/service"
+	"github.com/sour-is/ev/pkg/slice"
+)
+
+var _ = apps.Register(20, func(ctx context.Context, svc *service.Harness) error {
+	s := &http.Server{}
+	svc.Add(s)
+
+	mux := mux.New()
+	s.Handler = cors.AllowAll().Handler(mux)
+
+	s.Addr = env.Default("EV_HTTP", ":8080")
+	if strings.HasPrefix(s.Addr, ":") {
+		s.Addr = "[::]" + s.Addr
+	}
+	svc.OnStart(func(ctx context.Context) error {
+		_, span := lg.Span(ctx)
+		defer span.End()
+
+		log.Print("Listen on ", s.Addr)
+		span.AddEvent("begin listen and serve on " + s.Addr)
+
+		mux.Add(slice.FilterType[interface{ RegisterHTTP(*http.ServeMux) }](svc.Services...)...)
+		return s.ListenAndServe()
+	})
+	svc.OnStop(s.Shutdown)
+
+	return nil
+})