diff --git a/examples/azure-functions-minimal/package.json b/examples/azure-functions-minimal/package.json
index ea21d5d5..4f8a995d 100644
--- a/examples/azure-functions-minimal/package.json
+++ b/examples/azure-functions-minimal/package.json
@@ -12,7 +12,7 @@
   "author": "Thada Wangthammang",
   "license": "MIT",
   "dependencies": {
-    "nammatham": "2.0.0-alpha.12",
+    "nammatham": "2.0.0-alpha.13",
     "@azure/functions": "^4.1.0"
   },
   "devDependencies": {
diff --git a/examples/azure-functions-timer-trigger/package.json b/examples/azure-functions-timer-trigger/package.json
index ab58ab6e..24c4d4ef 100644
--- a/examples/azure-functions-timer-trigger/package.json
+++ b/examples/azure-functions-timer-trigger/package.json
@@ -12,7 +12,7 @@
   "author": "Thada Wangthammang",
   "license": "MIT",
   "dependencies": {
-    "nammatham": "2.0.0-alpha.12",
+    "nammatham": "2.0.0-alpha.13",
     "@azure/functions": "^4.1.0"
   },
   "devDependencies": {
diff --git a/examples/azure-functions-with-inversify/package.json b/examples/azure-functions-with-inversify/package.json
index 3d1a8238..e5039cdf 100644
--- a/examples/azure-functions-with-inversify/package.json
+++ b/examples/azure-functions-with-inversify/package.json
@@ -14,7 +14,7 @@
   "dependencies": {
     "@azure/functions": "^4.1.0",
     "@di-extra/inversify": "^0.2.0",
-    "nammatham": "2.0.0-alpha.12",
+    "nammatham": "2.0.0-alpha.13",
     "inversify": "^6.0.2",
     "reflect-metadata": "^0.2.1"
   },
diff --git a/examples/azure-functions-with-test/package.json b/examples/azure-functions-with-test/package.json
index 397454a7..2a9ea72b 100644
--- a/examples/azure-functions-with-test/package.json
+++ b/examples/azure-functions-with-test/package.json
@@ -13,7 +13,7 @@
   "license": "MIT",
   "dependencies": {
     "@azure/functions": "^4.1.0",
-    "nammatham": "2.0.0-alpha.12"
+    "nammatham": "2.0.0-alpha.13"
   },
   "devDependencies": {
     "cross-env": "^7.0.3",
diff --git a/examples/azure-functions-with-trpc/package.json b/examples/azure-functions-with-trpc/package.json
index b0af8a53..558695aa 100644
--- a/examples/azure-functions-with-trpc/package.json
+++ b/examples/azure-functions-with-trpc/package.json
@@ -15,8 +15,8 @@
   "license": "MIT",
   "dependencies": {
     "@azure/functions": "^4.1.0",
-    "nammatham": "2.0.0-alpha.12",
-    "@nammatham/trpc-azure-functions": "2.0.0-alpha.12",
+    "nammatham": "2.0.0-alpha.13",
+    "@nammatham/trpc-azure-functions": "2.0.0-alpha.13",
     "@trpc/client": "^10.45.0",
     "@trpc/server": "^10.45.0",
     "trpc-azure-functions-adapter": "0.0.5"
diff --git a/examples/azure-functions/package.json b/examples/azure-functions/package.json
index 642bde2c..818806d2 100644
--- a/examples/azure-functions/package.json
+++ b/examples/azure-functions/package.json
@@ -12,7 +12,7 @@
   "author": "Thada Wangthammang",
   "license": "MIT",
   "dependencies": {
-    "nammatham": "2.0.0-alpha.12",
+    "nammatham": "2.0.0-alpha.13",
     "@azure/functions": "^4.1.0"
   },
   "devDependencies": {
diff --git a/package.json b/package.json
index 3799308c..de3652fe 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nammatham/monorepo",
-  "version": "2.0.0-alpha.12",
+  "version": "2.0.0-alpha.13",
   "description": "Azure Function Nodejs Lightweight framework with Dependency Injection",
   "scripts": {
     "test": "vitest",
diff --git a/packages/azure-functions/README.md b/packages/azure-functions/README.md
index fbd5b82a..2ffe6a22 100644
--- a/packages/azure-functions/README.md
+++ b/packages/azure-functions/README.md
@@ -16,6 +16,8 @@ Type-safe Serverless Library for Azure Functions and friends
 > 
 > Note: [Nammatham v1](https://www.npmjs.com/package/nammatham) is currently in maintenance mode. no new features are actively being developed
 
+You're reading v2 docs
+
 
 | Version | Status      | Azure Functions <br>Node.js Lib | Branch       | Build Status                                                                                                                                                                                                                                                                                                                |
 | ------- | ----------- | ----------------------- | ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
@@ -37,19 +39,16 @@ Nammatham (นามธรรม in Thai, pronounced `/naam ma tham/`, means **a
 npm install nammatham@alpha
 ```
 
-You can also install independently
-```bash
-npm install @nammatham/core @nammatham/azure-functions @nammatham/express
-```
-
 ### Example
 
 You can see [examples](examples) or follow the minimal app getting started below:
 
+> `initNammatham.create()` is a factory function for creating Nammatham App, it's a wrapper for Azure Functions App.
+
 ```typescript
-import { initNammatham, AzureFunctionsAdapter, expressPlugin } from "nammatham";
+import { initNammatham, expressPlugin } from 'nammatham';
 
-const n = initNammatham.create(new AzureFunctionsAdapter());
+const n = initNammatham.create();
 const func = n.func;
 const app = n.app;
 
@@ -57,11 +56,11 @@ const helloFunction = func
   .httpGet('hello', {
     route: 'hello-world',
   })
-  .handler(async ({trigger, context}) => {
-    context.log('HTTP trigger function processed a request.');
-    context.debug(`Http function processed request for url "${trigger.url}"`);
-    const name = trigger.query.get('name') || (await trigger.text()) || 'world';
-    return { body: `Hello, ${name}!` };
+  .handler(async c => {
+    c.context.log('HTTP trigger function processed a request.');
+    c.context.debug(`Http function processed request for url "${c.trigger.url}"`);
+    const name = c.trigger.query.get('name') || (await c.trigger.text()) || 'world';
+    return c.text(`Hello, ${name}!`);
   });
 
 app.addFunctions(helloFunction);
diff --git a/packages/azure-functions/package.json b/packages/azure-functions/package.json
index 2e56afc7..2f920263 100644
--- a/packages/azure-functions/package.json
+++ b/packages/azure-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nammatham/azure-functions",
-  "version": "2.0.0-alpha.12",
+  "version": "2.0.0-alpha.13",
   "description": "Type-safe Serverless Library for Azure Functions and friends",
   "main": "dist/main.js",
   "types": "dist/main.d.ts",
@@ -21,7 +21,7 @@
   "license": "MIT",
   "dependencies": {
     "@azure/functions": "^4.1.0",
-    "@nammatham/core": "2.0.0-alpha.12",
+    "@nammatham/core": "2.0.0-alpha.13",
     "colorette": "^2.0.20",
     "express": "^4.18.2",
     "undici": "5.20.0",
diff --git a/packages/core/README.md b/packages/core/README.md
index fbd5b82a..2ffe6a22 100644
--- a/packages/core/README.md
+++ b/packages/core/README.md
@@ -16,6 +16,8 @@ Type-safe Serverless Library for Azure Functions and friends
 > 
 > Note: [Nammatham v1](https://www.npmjs.com/package/nammatham) is currently in maintenance mode. no new features are actively being developed
 
+You're reading v2 docs
+
 
 | Version | Status      | Azure Functions <br>Node.js Lib | Branch       | Build Status                                                                                                                                                                                                                                                                                                                |
 | ------- | ----------- | ----------------------- | ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
@@ -37,19 +39,16 @@ Nammatham (นามธรรม in Thai, pronounced `/naam ma tham/`, means **a
 npm install nammatham@alpha
 ```
 
-You can also install independently
-```bash
-npm install @nammatham/core @nammatham/azure-functions @nammatham/express
-```
-
 ### Example
 
 You can see [examples](examples) or follow the minimal app getting started below:
 
+> `initNammatham.create()` is a factory function for creating Nammatham App, it's a wrapper for Azure Functions App.
+
 ```typescript
-import { initNammatham, AzureFunctionsAdapter, expressPlugin } from "nammatham";
+import { initNammatham, expressPlugin } from 'nammatham';
 
-const n = initNammatham.create(new AzureFunctionsAdapter());
+const n = initNammatham.create();
 const func = n.func;
 const app = n.app;
 
@@ -57,11 +56,11 @@ const helloFunction = func
   .httpGet('hello', {
     route: 'hello-world',
   })
-  .handler(async ({trigger, context}) => {
-    context.log('HTTP trigger function processed a request.');
-    context.debug(`Http function processed request for url "${trigger.url}"`);
-    const name = trigger.query.get('name') || (await trigger.text()) || 'world';
-    return { body: `Hello, ${name}!` };
+  .handler(async c => {
+    c.context.log('HTTP trigger function processed a request.');
+    c.context.debug(`Http function processed request for url "${c.trigger.url}"`);
+    const name = c.trigger.query.get('name') || (await c.trigger.text()) || 'world';
+    return c.text(`Hello, ${name}!`);
   });
 
 app.addFunctions(helloFunction);
diff --git a/packages/core/package.json b/packages/core/package.json
index 1c5fb760..c1ff5198 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nammatham/core",
-  "version": "2.0.0-alpha.12",
+  "version": "2.0.0-alpha.13",
   "description": "Type-safe Serverless Library for Azure Functions and friends",
   "main": "dist/main.js",
   "types": "dist/main.d.ts",
diff --git a/packages/express/README.md b/packages/express/README.md
index fbd5b82a..2ffe6a22 100644
--- a/packages/express/README.md
+++ b/packages/express/README.md
@@ -16,6 +16,8 @@ Type-safe Serverless Library for Azure Functions and friends
 > 
 > Note: [Nammatham v1](https://www.npmjs.com/package/nammatham) is currently in maintenance mode. no new features are actively being developed
 
+You're reading v2 docs
+
 
 | Version | Status      | Azure Functions <br>Node.js Lib | Branch       | Build Status                                                                                                                                                                                                                                                                                                                |
 | ------- | ----------- | ----------------------- | ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
@@ -37,19 +39,16 @@ Nammatham (นามธรรม in Thai, pronounced `/naam ma tham/`, means **a
 npm install nammatham@alpha
 ```
 
-You can also install independently
-```bash
-npm install @nammatham/core @nammatham/azure-functions @nammatham/express
-```
-
 ### Example
 
 You can see [examples](examples) or follow the minimal app getting started below:
 
+> `initNammatham.create()` is a factory function for creating Nammatham App, it's a wrapper for Azure Functions App.
+
 ```typescript
-import { initNammatham, AzureFunctionsAdapter, expressPlugin } from "nammatham";
+import { initNammatham, expressPlugin } from 'nammatham';
 
-const n = initNammatham.create(new AzureFunctionsAdapter());
+const n = initNammatham.create();
 const func = n.func;
 const app = n.app;
 
@@ -57,11 +56,11 @@ const helloFunction = func
   .httpGet('hello', {
     route: 'hello-world',
   })
-  .handler(async ({trigger, context}) => {
-    context.log('HTTP trigger function processed a request.');
-    context.debug(`Http function processed request for url "${trigger.url}"`);
-    const name = trigger.query.get('name') || (await trigger.text()) || 'world';
-    return { body: `Hello, ${name}!` };
+  .handler(async c => {
+    c.context.log('HTTP trigger function processed a request.');
+    c.context.debug(`Http function processed request for url "${c.trigger.url}"`);
+    const name = c.trigger.query.get('name') || (await c.trigger.text()) || 'world';
+    return c.text(`Hello, ${name}!`);
   });
 
 app.addFunctions(helloFunction);
diff --git a/packages/express/package.json b/packages/express/package.json
index 729d3250..2c4d04c0 100644
--- a/packages/express/package.json
+++ b/packages/express/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nammatham/express",
-  "version": "2.0.0-alpha.12",
+  "version": "2.0.0-alpha.13",
   "description": "Type-safe Serverless Library for Azure Functions and friends",
   "main": "dist/main.js",
   "types": "dist/main.d.ts",
@@ -20,7 +20,7 @@
   "author": "Thada Wangthammang",
   "license": "MIT",
   "dependencies": {
-    "@nammatham/core": "2.0.0-alpha.12",
+    "@nammatham/core": "2.0.0-alpha.13",
     "@types/express": "^4.17.21",
     "colorette": "^2.0.20",
     "express": "^4.18.2"
diff --git a/packages/main/README.md b/packages/main/README.md
index fbd5b82a..2ffe6a22 100644
--- a/packages/main/README.md
+++ b/packages/main/README.md
@@ -16,6 +16,8 @@ Type-safe Serverless Library for Azure Functions and friends
 > 
 > Note: [Nammatham v1](https://www.npmjs.com/package/nammatham) is currently in maintenance mode. no new features are actively being developed
 
+You're reading v2 docs
+
 
 | Version | Status      | Azure Functions <br>Node.js Lib | Branch       | Build Status                                                                                                                                                                                                                                                                                                                |
 | ------- | ----------- | ----------------------- | ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
@@ -37,19 +39,16 @@ Nammatham (นามธรรม in Thai, pronounced `/naam ma tham/`, means **a
 npm install nammatham@alpha
 ```
 
-You can also install independently
-```bash
-npm install @nammatham/core @nammatham/azure-functions @nammatham/express
-```
-
 ### Example
 
 You can see [examples](examples) or follow the minimal app getting started below:
 
+> `initNammatham.create()` is a factory function for creating Nammatham App, it's a wrapper for Azure Functions App.
+
 ```typescript
-import { initNammatham, AzureFunctionsAdapter, expressPlugin } from "nammatham";
+import { initNammatham, expressPlugin } from 'nammatham';
 
-const n = initNammatham.create(new AzureFunctionsAdapter());
+const n = initNammatham.create();
 const func = n.func;
 const app = n.app;
 
@@ -57,11 +56,11 @@ const helloFunction = func
   .httpGet('hello', {
     route: 'hello-world',
   })
-  .handler(async ({trigger, context}) => {
-    context.log('HTTP trigger function processed a request.');
-    context.debug(`Http function processed request for url "${trigger.url}"`);
-    const name = trigger.query.get('name') || (await trigger.text()) || 'world';
-    return { body: `Hello, ${name}!` };
+  .handler(async c => {
+    c.context.log('HTTP trigger function processed a request.');
+    c.context.debug(`Http function processed request for url "${c.trigger.url}"`);
+    const name = c.trigger.query.get('name') || (await c.trigger.text()) || 'world';
+    return c.text(`Hello, ${name}!`);
   });
 
 app.addFunctions(helloFunction);
diff --git a/packages/main/package.json b/packages/main/package.json
index eb8d6aac..8671888a 100644
--- a/packages/main/package.json
+++ b/packages/main/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nammatham",
-  "version": "2.0.0-alpha.12",
+  "version": "2.0.0-alpha.13",
   "description": "Type-safe Serverless Library for Azure Functions and friends",
   "main": "dist/main.js",
   "types": "dist/main.d.ts",
@@ -47,9 +47,9 @@
   "author": "Thada Wangthammang",
   "license": "MIT",
   "dependencies": {
-    "@nammatham/core": "2.0.0-alpha.12",
-    "@nammatham/azure-functions": "2.0.0-alpha.12",
-    "@nammatham/express": "2.0.0-alpha.12"
+    "@nammatham/core": "2.0.0-alpha.13",
+    "@nammatham/azure-functions": "2.0.0-alpha.13",
+    "@nammatham/express": "2.0.0-alpha.13"
   },
   "repository": {
     "type": "git",
diff --git a/packages/trpc-azure-functions/README.md b/packages/trpc-azure-functions/README.md
index fbd5b82a..2ffe6a22 100644
--- a/packages/trpc-azure-functions/README.md
+++ b/packages/trpc-azure-functions/README.md
@@ -16,6 +16,8 @@ Type-safe Serverless Library for Azure Functions and friends
 > 
 > Note: [Nammatham v1](https://www.npmjs.com/package/nammatham) is currently in maintenance mode. no new features are actively being developed
 
+You're reading v2 docs
+
 
 | Version | Status      | Azure Functions <br>Node.js Lib | Branch       | Build Status                                                                                                                                                                                                                                                                                                                |
 | ------- | ----------- | ----------------------- | ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
@@ -37,19 +39,16 @@ Nammatham (นามธรรม in Thai, pronounced `/naam ma tham/`, means **a
 npm install nammatham@alpha
 ```
 
-You can also install independently
-```bash
-npm install @nammatham/core @nammatham/azure-functions @nammatham/express
-```
-
 ### Example
 
 You can see [examples](examples) or follow the minimal app getting started below:
 
+> `initNammatham.create()` is a factory function for creating Nammatham App, it's a wrapper for Azure Functions App.
+
 ```typescript
-import { initNammatham, AzureFunctionsAdapter, expressPlugin } from "nammatham";
+import { initNammatham, expressPlugin } from 'nammatham';
 
-const n = initNammatham.create(new AzureFunctionsAdapter());
+const n = initNammatham.create();
 const func = n.func;
 const app = n.app;
 
@@ -57,11 +56,11 @@ const helloFunction = func
   .httpGet('hello', {
     route: 'hello-world',
   })
-  .handler(async ({trigger, context}) => {
-    context.log('HTTP trigger function processed a request.');
-    context.debug(`Http function processed request for url "${trigger.url}"`);
-    const name = trigger.query.get('name') || (await trigger.text()) || 'world';
-    return { body: `Hello, ${name}!` };
+  .handler(async c => {
+    c.context.log('HTTP trigger function processed a request.');
+    c.context.debug(`Http function processed request for url "${c.trigger.url}"`);
+    const name = c.trigger.query.get('name') || (await c.trigger.text()) || 'world';
+    return c.text(`Hello, ${name}!`);
   });
 
 app.addFunctions(helloFunction);
diff --git a/packages/trpc-azure-functions/package.json b/packages/trpc-azure-functions/package.json
index 9f27b59c..9e279411 100644
--- a/packages/trpc-azure-functions/package.json
+++ b/packages/trpc-azure-functions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nammatham/trpc-azure-functions",
-  "version": "2.0.0-alpha.12",
+  "version": "2.0.0-alpha.13",
   "description": "Type-safe Serverless Library for Azure Functions and friends",
   "main": "dist/main.js",
   "types": "dist/main.d.ts",
@@ -21,9 +21,9 @@
   "license": "MIT",
   "dependencies": {
     "@azure/functions": "^4.1.0",
-    "@nammatham/core": "2.0.0-alpha.12",
-    "@nammatham/azure-functions": "2.0.0-alpha.12",
-    "@nammatham/express": "2.0.0-alpha.12",
+    "@nammatham/core": "2.0.0-alpha.13",
+    "@nammatham/azure-functions": "2.0.0-alpha.13",
+    "@nammatham/express": "2.0.0-alpha.13",
     "@trpc/server": "^10.45.0",
     "express": "^4.18.2",
     "trpc-azure-functions-adapter": "0.0.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index eb9c6b72..fd969aa7 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -72,7 +72,7 @@ importers:
         specifier: ^4.1.0
         version: 4.1.0
       nammatham:
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../../packages/main
     devDependencies:
       cross-env:
@@ -94,7 +94,7 @@ importers:
         specifier: ^4.1.0
         version: 4.1.0
       nammatham:
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../../packages/main
     devDependencies:
       cross-env:
@@ -116,7 +116,7 @@ importers:
         specifier: ^4.1.0
         version: 4.1.0
       nammatham:
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../../packages/main
     devDependencies:
       cross-env:
@@ -144,7 +144,7 @@ importers:
         specifier: ^6.0.2
         version: 6.0.2
       nammatham:
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../../packages/main
       reflect-metadata:
         specifier: ^0.2.1
@@ -169,7 +169,7 @@ importers:
         specifier: ^4.1.0
         version: 4.1.0
       nammatham:
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../../packages/main
     devDependencies:
       cross-env:
@@ -191,7 +191,7 @@ importers:
         specifier: ^4.1.0
         version: 4.1.0
       '@nammatham/trpc-azure-functions':
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../../packages/trpc-azure-functions
       '@trpc/client':
         specifier: ^10.45.0
@@ -200,7 +200,7 @@ importers:
         specifier: ^10.45.0
         version: 10.45.0
       nammatham:
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../../packages/main
       trpc-azure-functions-adapter:
         specifier: 0.0.5
@@ -225,7 +225,7 @@ importers:
         specifier: ^4.1.0
         version: 4.1.0
       '@nammatham/core':
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../core
       colorette:
         specifier: ^2.0.20
@@ -271,7 +271,7 @@ importers:
   packages/express:
     dependencies:
       '@nammatham/core':
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../core
       '@types/express':
         specifier: ^4.17.21
@@ -286,13 +286,13 @@ importers:
   packages/main:
     dependencies:
       '@nammatham/azure-functions':
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../azure-functions
       '@nammatham/core':
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../core
       '@nammatham/express':
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../express
 
   packages/trpc-azure-functions:
@@ -301,13 +301,13 @@ importers:
         specifier: ^4.1.0
         version: 4.1.0
       '@nammatham/azure-functions':
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../azure-functions
       '@nammatham/core':
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../core
       '@nammatham/express':
-        specifier: 2.0.0-alpha.12
+        specifier: 2.0.0-alpha.13
         version: link:../express
       '@trpc/server':
         specifier: ^10.45.0