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LambdaのGETリクエストとNode.js Expressでのレスポンス

Last updated at Posted at 2024-05-01

LambdaでのGETリクエストの自分用の覚書です。

LamdaでGETリクエストをすると、Node.jsで書かれたサーバーから「hello world」という文字を返すということをやります。


レスポンス側 (Node.js)

フレームワークはexpressを使用

index.js
const express = require('express');
const app = express();

app.get('/hello', function(req, res) {

    res.send('hello world')
    
    }
)

リクエスト側 (Python)

lambda_function.py
import urllib.request

def lambda_handler(event, context):
    hello = get_hello()
    print(hello)

def get_hello():
    request = urllib.request.Request(
        '<URL>',
        method='GET',
        headers={'User-Agent': 'Mozilla/5.0'}
    )
    response = urllib.request.urlopen(request, timeout=30)    
    data = response.read().decode('utf-8')
    
    return data
    

これで、Lambdaを実行すると

「hello world」という文字列を取得できます。

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