okay

whatsapp-service/cmd/agentdeck-whatsapp-service/main.go

@@ -6,7 +6,9 @@ import (
 	"flag"
 	"fmt"
 	"log"
+	"net"
 	"net/http"
+	"net/url"
 	"os"
 	"os/signal"
 	"strings"
@@ -263,7 +265,9 @@ func initRedis(redisURL string) (*redis.Client, error) {
 	if redisURL == "" {
 		return nil, fmt.Errorf("REDIS_URL is required for caching")
 	}
-	opts, err := redis.ParseURL(redisURL)
+	// Container runtimes often lack IPv6 routes; pin hostnames to IPv4 so the
+	// dial cannot fail with "network is unreachable" on an AAAA-only result.
+	opts, err := redis.ParseURL(forceIPv4RedisURL(redisURL))
 	if err != nil {
 		return nil, fmt.Errorf("invalid REDIS_URL: %v", err)
 	}
@@ -277,6 +281,39 @@ func initRedis(redisURL string) (*redis.Client, error) {
 	return client, nil
 }
 
+// forceIPv4RedisURL resolves the host of a redis:// URL to its IPv4 address.
+// Falls back to the original URL unchanged on any resolution/parse error.
+func forceIPv4RedisURL(redisURL string) string {
+	u, err := url.Parse(redisURL)
+	if err != nil {
+		return redisURL
+	}
+	host := u.Hostname()
+	if host == "" || net.ParseIP(host) != nil {
+		return redisURL
+	}
+	ips, err := net.LookupIP(host)
+	if err != nil {
+		return redisURL
+	}
+	var v4 string
+	for _, ip := range ips {
+		if ip4 := ip.To4(); ip4 != nil {
+			v4 = ip4.String()
+			break
+		}
+	}
+	if v4 == "" {
+		return redisURL
+	}
+	if port := u.Port(); port != "" {
+		u.Host = net.JoinHostPort(v4, port)
+	} else {
+		u.Host = v4
+	}
+	return u.String()
+}
+
 // @title AgentDeck Whatsapp Service
 // @version 1.0
 // @description AgentDeck Whatsapp Service - whatsmeow