cli can pass -p 10_000

src/cmd/config.go

@@ -6,10 +6,12 @@ import (
 	"os"
 	"show-rss/src/cleanup"
 	"show-rss/src/db"
+	"show-rss/src/server"
 )
 
 type Flags struct {
-	DB string
+	DB   string
+	Port int
 }
 
 func NewFlags(args []string) (Flags, error) {
@@ -17,6 +19,7 @@ func NewFlags(args []string) (Flags, error) {
 
 	fs := flag.NewFlagSet(os.Args[0], flag.ContinueOnError)
 	fs.StringVar(&result.DB, "db", "/tmp/f.db", "path to sqlite.db")
+	fs.IntVar(&result.Port, "p", 10_000, "port for http")
 	err := fs.Parse(args)
 
 	return result, err
@@ -33,6 +36,8 @@ func Config(ctx context.Context, args []string) (context.Context, func(), error)
 		return ctx, nil, err
 	}
 
+	ctx = server.Inject(ctx, flags.Port)
+
 	return ctx, func() {
 		cleanup.Extract(ctx)()
 	}, nil

src/cmd/cron/main.go

@@ -70,7 +70,7 @@ func oneItem(ctx context.Context, feed feeds.Feed, item feeds.Item) error {
 		Item: item,
 	}
 
-	wmethod, wurl, wbody := feed.Webhook()
+	wmethod, wurl, wbody := feed.Webhook(ctx)
 
 	method, err := render(wmethod, arg)
 	if err != nil {

src/cmd/server/main.go

@@ -10,7 +10,7 @@ import (
 )
 
 func Main(ctx context.Context) error {
-	return Run(ctx, fmt.Sprintf(":%d", server.Port))
+	return Run(ctx, fmt.Sprintf(":%d", server.Extract(ctx)))
 }
 
 func Run(ctx context.Context, listen string) error {

src/feeds/db.go

@@ -263,11 +263,11 @@ func initDB(ctx context.Context) error {
 	})
 }
 
-func (feed Feed) Webhook() (string, string, string) {
+func (feed Feed) Webhook(ctx context.Context) (string, string, string) {
 	u, _ := url.Parse(feed.Version.WebhookURL)
 	switch u.Scheme {
 	case "vpntor":
-		return "POST", fmt.Sprintf("http://localhost:%d/v1/vpntor", server.Port), fmt.Sprintf(`{
+		return "POST", fmt.Sprintf("http://localhost:%d/v1/vpntor", server.Extract(ctx)), fmt.Sprintf(`{
 			"Magnet": "{{ .Item.Link }}",
 			"Dir": %q,
 			"URL": "https://vpntor.int.bel.blue/transmission/rpc"

src/server/config.go

@@ -1,14 +1,18 @@
 package server
 
 import (
-	"os"
+	"context"
-	"strconv"
 )
 
-var Port = func() int {
+func Inject(ctx context.Context, port int) context.Context {
-	port, _ := strconv.Atoi(os.Getenv("PORT"))
+	return context.WithValue(ctx, "server.port", port)
-	if port == 0 {
+}
-		port = 10000
+
+func Extract(ctx context.Context) int {
+	v := ctx.Value("server.port")
+	port, ok := v.(int)
+	if !ok {
+		return 10_000
 	}
 	return port
-}()
+}