using single binary

README.md

@@ -82,7 +82,7 @@ To make your services reachable via Nostr, set up the exit node.
 Configuration can be completed using environment variables. Alternatively, you can create a `.env` file in the current working directory with the following content:
 
 ```
-NOSTR_RELAYS='ws://localhost:6666;wss://relay.domain.com'
+NOSTR_RELAYS='ws://localhost:6666;ws://localhost:7777;wss://relay.domain.com'
 NOSTR_PRIVATE_KEY="EXITPRIVATEHEX"
 BACKEND_HOST='localhost:3338'
 PUBLIC=false
@@ -96,7 +96,7 @@ PUBLIC=false
 To start the exit node, use this command:
 
 ```bash
-go run cmd/exit/exit.go
+go run cmd/nws/nws.go exit
 ```
 
 If your backend services support TLS, your service can now start using TLS encryption through a publicly available entry node.
@@ -108,7 +108,7 @@ If your backend services support TLS, your service can now start using TLS encry
 To run an entry node for accessing NWS services behind exit nodes, use the following command:
 
 ```bash
-go run cmd/entry/main.go
+go run cmd/nws/nws.go entry
 ```
 
 If you don't want to use the `PUBLIC_ADDRESS` feature, no further configuration is needed.

cmd/entry/.env

@@ -1,3 +0,0 @@
-NOSTR_RELAYS = 'wss://relay.8333.space'
-#NOSTR_RELAYS = 'ws://localhost:6666'
-NOSTR_PRIVATE_KEY = ""

cmd/entry/Dockerfile

@@ -1,17 +0,0 @@
-FROM golang:1.21-alpine as builder
-
-ADD . /build/
-
-WORKDIR /build
-RUN apk add --no-cache git bash openssh-client && \
-    go build -o entry cmd/entry/*.go
-
-
-#building finished. Now extracting single bin in second stage.
-FROM alpine
-
-COPY --from=builder /build/entry /app/
-
-WORKDIR /app
-
-CMD ["./entry"]

cmd/entry/proxy.go

@@ -1,25 +0,0 @@
-package main
-
-import (
-	"github.com/asmogo/nws/config"
-	"github.com/asmogo/nws/proxy"
-	"golang.org/x/net/context"
-)
-
-func main() {
-	// load the configuration
-	// from the environment
-	cfg, err := config.LoadConfig[config.EntryConfig]()
-	if err != nil {
-		panic(err)
-	}
-
-	// create a new gw server
-	// and start it
-	socksProxy := proxy.New(context.Background(), cfg)
-
-	err = socksProxy.Start()
-	if err != nil {
-		panic(err)
-	}
-}

cmd/exit/.env

@@ -1,5 +0,0 @@
-#NOSTR_RELAYS = 'wss://relay.8333.space'
-NOSTR_RELAYS = 'ws://localhost:6666'
-NOSTR_PRIVATE_KEY = ""
-BACKEND_HOST = 'localhost:3338'
-PUBLIC = false

cmd/nws/.env

@@ -0,0 +1,5 @@
+NOSTR_RELAYS = 'wss://localhost:7777'#NOSTR_RELAYS = 'ws://localhost:6666'
+NOSTR_PRIVATE_KEY = ""
+BACKEND_HOST = 'localhost:3338'
+PUBLIC = true
+PUBLIC_ADDRESS = 'localhost:4443'

cmd/nws/Dockerfile

@@ -4,14 +4,14 @@ ADD . /build/
 
 WORKDIR /build
 RUN apk add --no-cache git bash openssh-client && \
-    go build -o exit cmd/exit/*.go
+    go build -o nws cmd/nws/*.go
 
 
 #building finished. Now extracting single bin in second stage.
 FROM alpine
 
-COPY --from=builder /build/exit /app/
+COPY --from=builder /build/nws /app/
 
 WORKDIR /app
 
-CMD ["./exit"]
+CMD ["./nws"]

cmd/nws/nws.go

@@ -1,8 +1,11 @@
 package main
 
 import (
+	"log/slog"
+
 	"github.com/asmogo/nws/config"
 	"github.com/asmogo/nws/exit"
+	"github.com/asmogo/nws/proxy"
 	"github.com/spf13/cobra"
 )
 
@@ -12,12 +15,15 @@ const (
 )
 
 func main() {
-
+	rootCmd := &cobra.Command{Use: "nws"}
+	exitCmd := &cobra.Command{Use: "exit", Run: startExitNode}
 	var httpsPort int32
 	var httpTarget string
-	rootCmd := &cobra.Command{Use: "exit", Run: startExitNode}
+	exitCmd.Flags().Int32VarP(&httpsPort, "port", "p", 0, usagePort)
-	rootCmd.Flags().Int32VarP(&httpsPort, "port", "p", 0, usagePort)
+	exitCmd.Flags().StringVarP(&httpTarget, "target", "t", "", usageTarget)
-	rootCmd.Flags().StringVarP(&httpTarget, "target", "t", "", usageTarget)
+	entryCmd := &cobra.Command{Use: "entry", Run: startEntryNode}
+	rootCmd.AddCommand(exitCmd)
+	rootCmd.AddCommand(entryCmd)
 	err := rootCmd.Execute()
 	if err != nil {
 		panic(err)
@@ -26,7 +32,6 @@ func main() {
 
 // updateConfigFlag updates the configuration with the provided flags.
 func updateConfigFlag(cmd *cobra.Command, cfg *config.ExitConfig) error {
-
 	httpsPort, err := cmd.Flags().GetInt32("port")
 	if err != nil {
 		return err
@@ -41,14 +46,39 @@ func updateConfigFlag(cmd *cobra.Command, cfg *config.ExitConfig) error {
 }
 
 func startExitNode(cmd *cobra.Command, args []string) {
+	slog.Info("Starting exit node")
 	// load the configuration
-	// from the environment
 	cfg, err := config.LoadConfig[config.ExitConfig]()
 	if err != nil {
 		panic(err)
 	}
-	updateConfigFlag(cmd, cfg)
+	if len(cfg.NostrRelays) == 0 {
+		slog.Info("No relays provided, using default relays")
+		cfg.NostrRelays = config.DefaultRelays
+	}
+	err = updateConfigFlag(cmd, cfg)
+	if err != nil {
+		panic(err)
+	}
 	ctx := cmd.Context()
 	exitNode := exit.NewExit(ctx, cfg)
 	exitNode.ListenAndServe(ctx)
 }
+
+func startEntryNode(cmd *cobra.Command, args []string) {
+	slog.Info("Starting entry node")
+	cfg, err := config.LoadConfig[config.EntryConfig]()
+	if err != nil {
+		panic(err)
+	}
+
+	// create a new gw server
+	// and start it
+	socksProxy := proxy.New(cmd.Context(), cfg)
+
+	err = socksProxy.Start()
+	if err != nil {
+		panic(err)
+	}
+
+}

config/config.go

@@ -24,6 +24,10 @@ type ExitConfig struct {
 	Public          bool `env:"PUBLIC"`
 }
 
+var DefaultRelays = []string{
+	"wss://relay.8333.space",
+}
+
 // load the and marshal Configuration from .env file from the UserHomeDir
 // if this file was not found, fallback to the os environment variables
 func LoadConfig[T any]() (*T, error) {

docker-compose.yaml

@@ -26,8 +26,9 @@ services:
   exit:
     build:
       context: .
-      dockerfile: cmd/exit/Dockerfile
+      dockerfile: cmd/nws/Dockerfile
     container_name: exit
+    command: [ "./nws","exit" ]
     networks:
       nostr:
     environment:
@@ -40,9 +41,9 @@ services:
   exit-https:
     build:
       context: .
-      dockerfile: cmd/exit/Dockerfile
+      dockerfile: cmd/nws/Dockerfile
     container_name: exit-https
-    command: ["./exit", "--port", "4443", "--target", "http://mint:3338"]
+    command: ["./nws","exit","--port", "4443", "--target", "http://mint:3338"]
     networks:
       nostr:
     environment:
@@ -55,7 +56,8 @@ services:
   entry:
     build:
       context: .
-      dockerfile: cmd/entry/Dockerfile
+      dockerfile: cmd/nws/Dockerfile
+    command: [ "./nws","entry"]
     container_name: entry
     ports:
       - 8882:8882