feat(cli): add production workspace command

packages/cli/src/workspace.ts

@@ -10,7 +10,7 @@
  * cross-process). `wrnexus.workspace.ts` maps each app to the domains it serves.
  */
 
-import { existsSync, mkdirSync, readFileSync, rmSync, writeFileSync } from "node:fs";
+import { existsSync, mkdirSync, readFileSync, readdirSync, rmSync, writeFileSync } from "node:fs";
 import { dirname, join, resolve } from "node:path";
 import { pathToFileURL } from "node:url";
 import { scaffoldApp } from "./create.ts";
@@ -68,7 +68,8 @@ export const workspaceFiles = (name: string): Record<string, string> => ({
   "workspaces": ["apps/*", "packages/*"],
   "scripts": {
     "dev": "wrnexus gateway",
-    "gateway": "wrnexus gateway"
+    "gateway": "wrnexus gateway",
+    "production": "wrnexus production"
   },
   "devDependencies": {
     "@wrnexus/cli": "${frameworkVersion}"
@@ -394,8 +395,7 @@ export async function runGateway(root: string, args: string[]): Promise<void> {
     profileArg?.split("=")[1] ||
     process.env.WRNEXUS_ENV ||
     process.env.WRNEXUS_PROFILE ||
-    config.defaultEnvironment ||
-    (args.includes("--prod") ? "production" : "development");
+    (args.includes("--prod") ? "production" : config.defaultEnvironment || "development");
 
   const resolved = resolveWorkspaceConfig(config, environment);
 
@@ -426,6 +426,91 @@ export async function runGateway(root: string, args: string[]): Promise<void> {
   });
 }
 
+/** Return default/named database targets that contain SQL migrations. */
+export function workspaceMigrationTargets(appRoot: string): Array<string | null> {
+  const dbRoot = join(resolve(appRoot), "app", "db");
+  if (!existsSync(dbRoot)) return [];
+  const targets: Array<string | null> = [];
+  const hasSql = (dir: string) =>
+    existsSync(dir) &&
+    readdirSync(dir, { withFileTypes: true }).some(
+      (entry) => entry.isFile() && entry.name.endsWith(".sql"),
+    );
+  if (hasSql(join(dbRoot, "migrations"))) targets.push(null);
+  for (const entry of readdirSync(dbRoot, { withFileTypes: true })) {
+    if (
+      entry.isDirectory() &&
+      entry.name !== "migrations" &&
+      hasSql(join(dbRoot, entry.name, "migrations"))
+    ) {
+      targets.push(entry.name);
+    }
+  }
+  return targets;
+}
+
+/** Build, migrate, then serve every registered workspace app in production mode. */
+export async function runProduction(root: string, args: string[]): Promise<void> {
+  const workspaceRoot = resolve(root);
+  const config = await loadWorkspaceConfig(workspaceRoot);
+  const shouldBuild = !args.includes("--no-build");
+  const shouldMigrate = !args.includes("--no-migrate");
+  const prepareOnly = args.includes("--prepare-only");
+  const environmentArg = args.find((arg) => arg.startsWith("--environment="));
+  const profileArg = args.find((arg) => arg.startsWith("--profile="));
+  const environment = environmentArg?.split("=")[1] || profileArg?.split("=")[1] || "production";
+
+  process.env.NODE_ENV = "production";
+  process.env.WRNEXUS_ENV = environment;
+  process.env.WRNEXUS_PROFILE = environment;
+  console.log(`\n  ⚡ Preparing WRNexus workspace (${environment})\n`);
+
+  if (shouldBuild) {
+    const { runBuild } = await import("./build.ts");
+    for (const app of config.apps) {
+      const appRoot = resolve(workspaceRoot, app.dir);
+      if (!existsSync(join(appRoot, "package.json"))) {
+        throw new Error(`Workspace app '${app.name}' has no package.json at ${appRoot}.`);
+      }
+      console.log(`\n  ▸ Building ${app.name}`);
+      await runBuild(appRoot);
+    }
+  } else {
+    console.log("  = builds skipped (--no-build)");
+  }
+
+  if (shouldMigrate) {
+    const { runDbCommand } = await import("./db.ts");
+    for (const app of config.apps) {
+      const appRoot = resolve(workspaceRoot, app.dir);
+      const targets = workspaceMigrationTargets(appRoot);
+      if (!targets.length) {
+        console.log(`  = ${app.name}: no SQL migrations`);
+        continue;
+      }
+      for (const target of targets) {
+        console.log(`\n  ▸ Migrating ${app.name}${target ? ` (${target})` : ""}`);
+        await runDbCommand(appRoot, "migrate", target ? [`--db=${target}`] : []);
+      }
+    }
+  } else {
+    console.log("  = migrations skipped (--no-migrate)");
+  }
+
+  console.log("\n  ✓ Workspace builds and migrations are ready.\n");
+  if (prepareOnly) return;
+
+  const gatewayArgs = args.filter(
+    (arg) => arg !== "--prepare-only" && arg !== "--no-build" && arg !== "--no-migrate",
+  );
+  if (!gatewayArgs.some((arg) => arg.startsWith("--environment="))) {
+    gatewayArgs.push(`--environment=${environment}`);
+  }
+  if (!gatewayArgs.some((arg) => arg.startsWith("--host="))) gatewayArgs.push("--host=0.0.0.0");
+  if (!gatewayArgs.some((arg) => arg.startsWith("--port="))) gatewayArgs.push("--port=3000");
+  await runGateway(workspaceRoot, gatewayArgs);
+}
+
 function environmentVariableName(appName: string): string {
   return `WRNEXUS_APP_${appName.replace(/[^A-Za-z0-9]/g, "_").toUpperCase()}_URL`;
 }