diff --git a/generate.js b/generate.js
index e3165944..96b7a44e 100755
--- a/generate.js
+++ b/generate.js
@@ -162,6 +162,7 @@ function cli (args) {
 
       template.devDependencies.c8 = cliPkg.devDependencies.c8
       template.scripts.test = 'npm run build:ts && tsc -p test/tsconfig.json && FASTIFY_AUTOLOAD_TYPESCRIPT=1 node --test --experimental-test-coverage --loader ts-node/esm test/**/*.ts'
+      template.scripts.dev = 'NODE_OPTIONS="--experimental-strip-types" FASTIFY_AUTOLOAD_TYPESCRIPT=1 fastify start -l info src/app.ts'
     }
   } else {
     template = { ...javascriptTemplate }
diff --git a/templates/app-ts-esm/src/app.ts b/templates/app-ts-esm/src/app.ts
index 74d9ff01..c157550c 100644
--- a/templates/app-ts-esm/src/app.ts
+++ b/templates/app-ts-esm/src/app.ts
@@ -1,6 +1,6 @@
 import * as path from 'node:path'
-import AutoLoad, { AutoloadPluginOptions } from '@fastify/autoload'
-import { FastifyPluginAsync } from 'fastify'
+import AutoLoad, { type AutoloadPluginOptions } from '@fastify/autoload'
+import { type FastifyPluginAsync } from 'fastify'
 import { fileURLToPath } from 'node:url'
 
 const __filename = fileURLToPath(import.meta.url)
diff --git a/templates/app-ts-esm/src/plugins/sensible.ts b/templates/app-ts-esm/src/plugins/sensible.ts
index 5be2c8a9..c8c54a3c 100644
--- a/templates/app-ts-esm/src/plugins/sensible.ts
+++ b/templates/app-ts-esm/src/plugins/sensible.ts
@@ -1,5 +1,5 @@
 import fp from 'fastify-plugin'
-import sensible, { FastifySensibleOptions } from '@fastify/sensible'
+import sensible, { type FastifySensibleOptions } from '@fastify/sensible'
 
 /**
  * This plugins adds some utilities to handle http errors
diff --git a/templates/app-ts-esm/src/routes/example/index.ts b/templates/app-ts-esm/src/routes/example/index.ts
index 68a0ea13..f32eb445 100644
--- a/templates/app-ts-esm/src/routes/example/index.ts
+++ b/templates/app-ts-esm/src/routes/example/index.ts
@@ -1,4 +1,4 @@
-import { FastifyPluginAsync } from 'fastify'
+import { type FastifyPluginAsync } from 'fastify'
 
 const example: FastifyPluginAsync = async (fastify, opts): Promise<void> => {
   fastify.get('/', async function (request, reply) {
diff --git a/templates/app-ts-esm/src/routes/root.ts b/templates/app-ts-esm/src/routes/root.ts
index 27918c71..9537d9c7 100644
--- a/templates/app-ts-esm/src/routes/root.ts
+++ b/templates/app-ts-esm/src/routes/root.ts
@@ -1,4 +1,4 @@
-import { FastifyPluginAsync } from 'fastify'
+import { type FastifyPluginAsync } from 'fastify'
 
 const root: FastifyPluginAsync = async (fastify, opts): Promise<void> => {
   fastify.get('/', async function (request, reply) {
diff --git a/templates/app-ts-esm/tsconfig.json b/templates/app-ts-esm/tsconfig.json
index cd4a3e52..83162f9b 100644
--- a/templates/app-ts-esm/tsconfig.json
+++ b/templates/app-ts-esm/tsconfig.json
@@ -1,12 +1,13 @@
 {
-  "extends": "fastify-tsconfig",
   "compilerOptions": {
     "outDir": "dist",
-    "sourceMap": true,
-    "moduleResolution": "NodeNext",
-    "module": "NodeNext",
-    "target": "ES2022",
-    "esModuleInterop": true
+    "sourceMap": true,    
+    "target": "esnext",
+    "module": "nodenext",
+    "allowImportingTsExtensions": true,
+    "rewriteRelativeImportExtensions": true,
+    "verbatimModuleSyntax": true,
+    "erasableSyntaxOnly": true
   },
   "include": ["src/**/*.ts"]
-}
+}
\ No newline at end of file
diff --git a/templates/app-ts/src/routes/example/index.ts b/templates/app-ts/src/routes/example/index.ts
index 68a0ea13..f32eb445 100644
--- a/templates/app-ts/src/routes/example/index.ts
+++ b/templates/app-ts/src/routes/example/index.ts
@@ -1,4 +1,4 @@
-import { FastifyPluginAsync } from 'fastify'
+import { type FastifyPluginAsync } from 'fastify'
 
 const example: FastifyPluginAsync = async (fastify, opts): Promise<void> => {
   fastify.get('/', async function (request, reply) {
diff --git a/templates/app-ts/src/routes/root.ts b/templates/app-ts/src/routes/root.ts
index 27918c71..9537d9c7 100644
--- a/templates/app-ts/src/routes/root.ts
+++ b/templates/app-ts/src/routes/root.ts
@@ -1,4 +1,4 @@
-import { FastifyPluginAsync } from 'fastify'
+import { type FastifyPluginAsync } from 'fastify'
 
 const root: FastifyPluginAsync = async (fastify, opts): Promise<void> => {
   fastify.get('/', async function (request, reply) {