LocalStack is the leading cloud development platform to enable you to develop and test your cloud & serverless applications locally.
Global 🌎
Joined July 2017
- Tweets1.5K
- Following16
- Followers3.2K
- Likes2.9K
LocalStack for AWS 2026.10.0 is out.
• Lambda Web Functions, on every plan
• EventBridge Scheduler with retries + DLQs, tested locally
Heads-up: WebSocket APIs now use the shared :4566 endpoint. Check any hard-coded ws:// URLs.
Upgrade with lstk: tinyurl.com/localstack-aws-2…
AWS Lambda Web Functions launched yesterday, and you can already build and test them locally with LocalStack.
Full web apps and API backends on Lambda, with hot reload instead of a package-and-deploy loop.
Supported from day one in LocalStack for AWS 2026.10.0.
ALT AWS Lambda Web Functions, built and tested locally. Supported in LocalStack from day one.
What works locally on day one:
• Node.js apps (Express, Hono) serving HTTP directly
• CloudFormation, CloudFront, IAM and SigV4
• Streaming, revisions and weighted traffic
• Multi-region endpoints
• Cloud Pods to snapshot and share
Launch post: tinyurl.com/localstack-lwf-b…
Want the deep dive? Samrat Karak from the AWS Lambda team joins our own Harsh Mishra live on Oct 22, 10am ET / 7am PT.
What's new, where Web Functions fit, and a full local demo.
Register free (recording sent to all): tinyurl.com/localstack-lwf-w…
ALT Live webinar, Oct 22, 10am ET: Lambda Web Functions, deep dive with AWS. What's new, plus a live local demo with LocalStack. Register free.
Shared staging: where one team's test run quietly breaks another's.
ECI Research on LocalStack for Azure: a single-tenant sandbox per developer, no cloud credentials, and your existing Bicep or Terraform as-is.
What's your worst shared-staging story?
ALT Quote card: "…shared staging environments, where one team's test run can corrupt another team's state." Paul Nashawaty and Samantha Weston, ECI Research, on LocalStack for Azure, now in Public Preview.
Read the analysis: efficientlyconnected.com/loc…
Try it free during the preview: localstack.cloud/localstack-…
LocalStack retweeted
LocalStack for Azure is now in Public Preview and free! 🚀
Simulate AKS, Serverless, DBs, and IaC locally to cut non-prod cloud costs.
Read more: medium.com/@paolo.salvatori/…
#Azure #LocalStack #DevOps #CloudNative
We're running a hands-on workshop with the AWS Connected Community. You'll build a coffee-ordering serverless web application and work through event-driven architecture patterns along the way.
Register and join us tomorrow!
aws-experience.com/amer/smb/…
LocalStack for Azure is now in Public Preview.
Build and test Azure apps locally with AKS, Functions, Container Apps, and more. Deploy your existing ARM & Bicep templates without a dev subscription or a cloud bill.
Free during the preview. Read more 👇
blog.localstack.cloud/locals…
AWS Amplify Gen 2 now runs on LocalStack.
Learn how to deploy an Amplify backend to LocalStack, run the frontend against local Cognito and AppSync endpoints, inspect the resources, and iterate on the schema fully locally.
🔗 Tutorial: blog.localstack.cloud/runnin…
Your AI agent can run your local cloud.
One command sets up the LocalStack MCP server for Claude Code, Cursor, VS Code, Codex and more:
npx -y @localstack/localstack-mcp-server init
Then just ask: "Start LocalStack and create an S3 bucket."
🔗 github.com/localstack/locals…
LocalStack retweeted
Can’t wait for this community meetup - join us in Tokyo next Thursday (Oct 8)! 🇯🇵🚀
We’ll share some exciting LocalStack updates & new features, and @kakakakakku will dive into best practices for local cloud development. 🔥
See you there!
#LocalStack #AWS #cloud #AgenticSDLC
Calling our Japan community! Tokyo local dev enthusiasts, we're coming your way.
Join our CTO Waldemar Hummer on October 8 at 6:30 PM for an evening of talk and networking at XLSoft.
It's free, so reserve your spot today: xlsoftdevops.connpass.com/ev…
ALT Promotional banner for LocalStack Meetup Tokyo co-hosted by XLSoft and LocalStack, showing Tokyo skyline with illuminated Tokyo Tower; event date Oct 8, 2026 at 18:30, free to attend, overlaid with glowing tech-themed cubes and circuit lines.
LocalStack retweeted
募集開始がギリギリになってしまったこともあって参加者をまだまだ募集してるんですけど LocalStack CTO の Waldemar の話が聞けるのでもし 10/8 にお時間ありましたらぜひ🙏（あと僕もいます😀）
Can’t wait for this community meetup - join us in Tokyo next Thursday (Oct 8)! 🇯🇵🚀
We’ll share some exciting LocalStack updates & new features, and @kakakakakku will dive into best practices for local cloud development. 🔥
See you there!
#LocalStack #AWS #cloud #AgenticSDLC
LocalStack for AWS 2026.09.0 is out!
Highlights include:
📁 S3 Files support for Lambda, ECS & Batch
⚡️ New default DynamoDB & Kinesis engines
⏱️ Timestream scheduled queries & CloudWatch Logs Insights
...& much more!
Full details in the release notes: blog.localstack.cloud/locals…
Getting started with local cloud development shouldn’t mean fighting corporate proxies, DNS issues, or missing Docker engines.
The new lstk doctor command in LocalStack’s lstk CLI ensures that everything is ready before you launch. See how it works here: docs.localstack.cloud/aws/de…
Calling our Japan community! Tokyo local dev enthusiasts, we're coming your way.
Join our CTO Waldemar Hummer on October 8 at 6:30 PM for an evening of talk and networking at XLSoft.
It's free, so reserve your spot today: xlsoftdevops.connpass.com/ev…
ALT Promotional banner for LocalStack Meetup Tokyo co-hosted by XLSoft and LocalStack, showing Tokyo skyline with illuminated Tokyo Tower; event date Oct 8, 2026 at 18:30, free to attend, overlaid with glowing tech-themed cubes and circuit lines.
We gave Claude Code the LocalStack MCP server & a CSV export of SaaS billing data. We asked it to build a quarterly Revenue-by-Plan report. It loaded the data, found/fixed 2 bugs & proved the result, without touching the real Snowflake cloud. blog.localstack.cloud/test-s…
ICYMI: LocalStack now supports local testing for AWS Lambda Durable Functions!
Test your entire durable workflow locally:
✅ Step retries & backoffs
✅ Callback tokens
✅ Container restarts mid-execution
Full tutorial below 👇
blog.localstack.cloud/testin…
Your app runs locally. Your database runs locally. Why is auth still hanging out in a shared AWS account? 🤨
Learn how to test Cognito locally with LocalStack, including PKCE, JWT auth, TOTP MFA, and client credentials.
blog.localstack.cloud/testin…
