amazon web services – Calling AWS Lambda via api gateway on localstack doesn’t work as expected

Hi I have downloaded the most basic java lambda example package helloworld; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.URL; import java.util.HashMap; import java.util.Map; import java.util.stream.Collectors; import com.amazonaws.services.lambda.runtime.Context; import com.amazonaws.services.lambda.runtime.RequestHandler; import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyRequestEvent; import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent; /** * Handler for requests to Lambda function. */ public class App implements RequestHandler<APIGatewayProxyRequestEvent, APIGatewayProxyResponseEvent> { public APIGatewayProxyResponseEvent handleRequest(final APIGatewayProxyRequestEvent input, … Read more

node.js – AWS Lambda: Enable outbound internet to Lambda functions

I am developing a REST API in NodeJs using AWS Lambda and AWS API Gateway. I am using AWS SAM Template as well. Below is my NodeJS Code. There I am only trying to access a sample API over the internet and make a POST call. const mysql = require(‘mysql2’); const errorCodes = require(‘source/error-codes’); const … Read more

What Are Python Lambda Functions, Anyway? | by Eric Kleppen | Jun, 2022

Learn to write Python like the pros by using lambda functions Photo by Anete Lūsiņa on Unsplash Traveling the road from rookie to Pythonista can take a while and varies from person to person. Most people start learning Python by reviewing the basic data structures for numbers, Booleans and strings, and then move to complex … Read more

Slack Workspace With Custom Command Using Lambda

We have decided to make our Slack channel more attractive. On our team, most of the IM work-related correspondence is done on other channels (WhatsApp, Jabber), while our goal was to migrate these interactions to Slack. How were we to foster this change? Slack allows the creation of external applications, which is a huge benefit. … Read more

Build a Twitter Leaderboard App: Redis, AWS Lambda

This is the second blog post of a two-part series that uses a practical application to demonstrate how to integrate Redis with AWS Lambda. The first post was about the solution overview and deployment. Hopefully, you were able to try it out end to end. As promised, part two will cover the infrastructure aspects (IaC … Read more

A Guide to Serverless With AWS Lambda and Bitrise

In the early days of software development, anyone seeking to develop a web, mobile, or backend application had to own the hardware required to run a server, which is an expensive process. Then, when cloud computing came, it became possible to lease server space or a number of servers remotely. The developers and companies who … Read more

Build a Twitter Leaderboard App with Redis and AWS Lambda (Part 1)

Hello and welcome to this two-part blog series that uses a practical application to demonstrate how to integrate Redis with AWS Lambda. The first part (this one) covers the application – by the end of this blog, you should have the solution, played around with it, and in the process, have a good overview of … Read more

Using AWS Lambda Function URL To Build a Serverless Backend for Slack

A combination of AWS Lambda and Amazon API Gateway is a widely-used architecture for serverless microservices and API-based solutions. They enable developers to focus on their applications, instead of spending time provisioning and managing servers. API Gateway is a feature-rich offering that includes support for different API types (HTTP, REST, WebSocket), multiple authentication schemes, API … Read more

javascript – ImageMagick lambda layer aws SAM

I have the following template.yaml from a SAM application AWSTemplateFormatVersion: “2010-09-09” Transform: AWS::Serverless-2016-10-31 Description: > image-resizing-lambda-js Sample SAM Template for image-resizing-lambda-js # More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst Globals: Function: Timeout: 3 MemorySize: 1536 Resources: HelloWorldFunction: Type: AWS::Serverless::Function # More info about Function Resource: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction Properties: CodeUri: hello-world/ Handler: app.lambdaHandler Runtime: nodejs10.x Architectures: – x86_64 Events: … Read more