Fix memory leak in dev server

dist/functions/bunext-init.js

@@ -8,6 +8,7 @@ import serverPostBuildFn from "./server/server-post-build-fn";
 import reactModulesBundler from "./bundler/react-modules-bundler";
 import grabConstants from "../utils/grab-constants";
 import watcherEsbuildCTX from "./server/watcher-esbuild-ctx";
+import disposeBundlerContexts from "./bundler/dispose-bundler-contexts";
 import { readFileSync } from "fs";
 const dirNames = grabDirNames();
 const { PAGES_DIR, BUNDLER_CTX_MAP_JSON, SSR_BUNDLER_CTX_MAP_JSON } = dirNames;
@@ -86,6 +87,9 @@ export default async function bunextInit(params) {
         else {
             log.build(`Building Modules ...`);
             await allPagesESBuildContextBundler({ start: true });
+            // The server only needs the artifact maps; don't keep
+            // esbuild's build state alive for the rest of the process.
+            await disposeBundlerContexts();
         }
         cron();
     }