depends_on with ports, cross-namespace DNS

toml-converter/internal/generator/generator.go

@@ -306,11 +306,20 @@ func buildEnvVars(sf *schema.Stackfile) []envVar {
 	}
 
 	// depends_on — inject service URLs via k8s DNS.
-	for _, svc := range sf.DependsOn.Services {
+	// Sorted for stable output.
+	svcNames := make([]string, 0, len(sf.DependsOn.Services))
+	for name := range sf.DependsOn.Services {
+		svcNames = append(svcNames, name)
+	}
+	sort.Strings(svcNames)
+	for _, svc := range svcNames {
+		port := sf.DependsOn.Services[svc]
 		envKey := fmt.Sprintf("%s_URL", strings.ToUpper(strings.ReplaceAll(svc, "-", "_")))
+		// Use <service>.<namespace>.svc for cross-namespace discovery.
+		// Convention: namespace = service name (StackOps creates namespace per project).
 		envs = append(envs, envVar{
 			Name:  envKey,
-			Value: fmt.Sprintf("http://%s", svc),
+			Value: fmt.Sprintf("http://%s.%s.svc:%d", svc, svc, port),
 		})
 	}
 

toml-converter/internal/schema/schema.go

@@ -67,8 +67,15 @@ type SecretRef struct {
 	Key   string `toml:"key"`
 }
 
+// DependsOnConfig maps service names to their ports.
+// Example: [depends_on.services]
+//
+//	auth-api = 8080
+//	notification-api = 3000
+//
+// Injects: AUTH_API_URL=http://auth-api:8080
 type DependsOnConfig struct {
-	Services []string `toml:"services"`
+	Services map[string]int `toml:"services"`
 }
 
 // EnvOverride holds fields that override the base config for a named environment.