Bas Steins
@bascodes
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Software Developer | Consultant | Trainer #CoffeeChatter ☕ Tweets about 🐍 Python and Software Development 🗄️ Databases (SQL, NoSQL) ☁️ CloudComputing & DevOps
Joined April 2020
Hi 👋, I'm Bas!. 👨💻 I'm a developer, consultant and trainer. ☕️ Send me a DM to have a #CoffeeChat. Follow me for interesting content about.🐍 Python.🗄️ Databases.☁️ DevOps. 📬👇.
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💡 TL;DR:. - WSGI = battle-tested, synchronous, yesterday’s standard. - ASGI = async, real-time ready, today’s & tomorrow’s standard. Python’s web future is ASGI.
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So…. Building a blog or CRUD API? WSGI is fine. Building a real-time API, chat, or IoT backend? You want ASGI.
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🔌 Servers differ too:. WSGI apps → gunicorn, uwsgi. ASGI apps → uvicorn, hypercorn, daphne. (You can run Django on ASGI with channels, or Flask with an ASGI adapter like Mangum for AWS Lambda!).
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⚡ Why does this matter?. WSGI: great for classic request/response apps. ASGI: essential for.- WebSockets (chat apps, live dashboards).- Streaming responses.- High concurrency APIs.
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📌 ASGI = Asynchronous Server Gateway Interface. Modern successor to WSGI. - Supports async + sync.- Handles HTTP, WebSockets, long-lived connections.- Used by FastAPI, Starlette, Django 3.0+. Think: built for today’s real-time web.
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📌 WSGI = Web Server Gateway Interface. - The OG standard for Python web apps.- Sync-only (one request at a time per worker).- Powers Flask, Django (pre-3.0), etc. Think: simple, rock-solid, but not built for websockets or async.
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💡🐍Ever wondered why new Python web frameworks (FastAPI, Starlette) use ASGI, while classics like Flask & Django started with WSGI?. Let’s break down ASGI vs WSGI in plain English 🧵👇.
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If you want to learn more, check out my podcast with @michal_stlv where we go deep into Stelvio:.
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And, just before the weekend starts, we released Stelvio 0.4.0 🎉. If you haven’t already, check out the repository, so much to learn about Python, AWS, and Pulumi!.
🚀 Stelvio v0.4.0 just dropped!. Still the same magic: Pure Python → Production AWS infrastructure. No more wrestling with YAML or clicking through the AWS console. 🪣 S3 buckets.🌐 Custom domains + auto TLS.📊 DynamoDB indexes.☁️ Cloudflare DNS integration. Links in reply 👇
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I’m super excited to speak about infrastructure as code with @SST_dev at @CommitYourCode later this month in Dallas, TX. That’s the only conference I know of that donates all proceeds to charity. Tickets are $49, so make sure to check it out.
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RT @TasonJorres: this was a really awesome conversation @bascodes is a great host.
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"You are the problem. It's not the job market". That's from someone who managed to get into tech after a career in filmmaking and after the turmoils of 2022. Learn from my conversation with @TasonJorres how to fix your resume!
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RT @TheClarkSell: I didn't know how to run an "event" of that size. I didn't care what the hospitality industry was or its rules. I didn't….
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RT @gvanrossum: The Python Documentary by @CultRepo will premiere tomorrow at 10am PDT / 19:00 CET. We'll have an online release party / li….
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