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Curated developer articles, tutorials, and guides — auto-updated hourly
Juan Torchia3d ago • 6 min read
Docker Says "Healthy" and the Pod Keeps Sending Broken Traffic
Docker's HEALTHCHECK is information, not a routing guarantee. If Kubernetes or Swarm isn't reading i...
#english#docker#devops#dockercompose
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Srdjan Popovic6d ago • 4 min read
One Dead Container Stopped nginx From Starting At All
Eight containers behind one nginx. One of them was stopped. nginx would not start. Not "returned 50...
#nginx#docker#devops#webdev
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Bibek3d ago • 8 min read
Understanding Kubernetes: A Beginner's Guide to Container Orchestration
If you have already explored Docker, you know how convenient containers are. You package your...
#kubernetes#containers#docker#devops
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Humza Tareen6d ago • 7 min read
Building an SFT Recording Pipeline
Docker sandboxes with VNC, trajectory capture, video recording, 18 API routes, rubric-based review, ...
#sftpipeline#docker#typescript#react
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Sharang Parnerkar3d ago • 5 min read
One upgrade, three outages: glibc, cgroups, and a placeholder bug
Upgrading a two-node cluster to the release that shipped my own fixes broke it three separate ways i...
#devops#linux#sysadmin#docker
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Amish SinghAug 22, 2026 • 6 min read
The Docker Layer Duplication Penalty: Why Modifying Files in Old Layers Costs You Twice
Ever noticed how a simple RUN chown command blows up your container footprint? Let's reverse-enginee...
#docker#devops#python#security
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Hassan BalbakieAug 24, 2026 • 3 min read
I built a vulnerability scanner that refuses to lie to me
Static analysis tools have a trust problem. They read your source, pattern-match something that look...
#cybersecurity#docker#security#testing
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DevOps Oasis4d ago • 8 min read
Docker Tags Make Production Rollbacks Ambiguous
Docker version tags help people, but production deployments should use image digests. Our team’s rol...
#devops#docker
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Mito5d ago • 6 min read
iptables says your kernel needs upgrading. Upgrading the kernel is what broke it.
TL;DR: On Raspberry Pi's 6.18 kernel line, ip_tables.ko, iptable_nat.ko and iptable_filter.ko are no...
#raspberrypi#linux#networking#docker
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woofix3d ago • 3 min read
Visio-Display: Building a Self-Hosted Digital Signage Platform
I have been developing Visio-Display, a free and open-source digital signage platform released under...
#selfhosted#opensource#docker#showdev
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Humza Tareen6d ago • 7 min read
Production-Ready Multi-Turn Evaluation
Hardening multi-turn eval: per-turn harness in Docker, snapshots, artifact retry & resume, completen...
#multiturn#evaluation#python#docker
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Humza Tareen6d ago • 5 min read
Multi-Turn Agent Evaluation at Scale
How we built a multi-turn evaluation system for AI coding agents: persistent Docker environments, hi...
#multiturn#aiagents#docker#python
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Henry Igwe A.6d ago • 1 min read
How I Automated a 3-Tier Application CI/CD Pipeline with Docker, Azure & GitHub Actions
How I Automated a 3-Tier Application CI/CD Pipeline with Docker, Azure & GitHub Actions I...
#docker#azure#githubactions#cicd
5 1
Humza Tareen6d ago • 6 min read
Docker Image Hardening for AI Benchmarks
How we hardened Docker images for multi-language AI coding benchmarks: runtime injection, pre-flight...
#docker#aibenchmarks#python#infrastructure
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MitoAug 24, 2026 • 5 min read
Podman publishes the same port and your firewall still holds. Even as root.
TL;DR: On the same box, same port, same ufw config where Docker published straight past the firewall...
#podman#docker#security#linux
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Baryo Dev6d ago • 5 min read
I built an agentless deploy CLI in Go because every PaaS wanted to own my server
Everything I run in production lives on one inexpensive ARM VM: a headless CMS, a club management...
#go#devops#selfhosting#docker
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John6d ago • 14 min read
Why Your Self-Hosted Stirling-PDF Container OOMs, Hangs or Returns a Broken PDF: 15 Anti-Patterns and Their Fixes
Stirling-PDF is not an unstable application. Almost every crash, hang and quietly mangled output...
#selfhosted#docker#pdf
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Sreekanth Kuruba5d ago • 7 min read
Docker in Production: What Changes When Containers Meet Reality?
post 8: You run a container. It starts successfully. The application works. So… is it...
#docker#devops#sysadmin#containers
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Greg Mate4d ago • 5 min read
VectorAI DB Doesn't Embed Your Text, and That's the Point
Building a small local knowledge base on top of Actian VectorAI DB, the actual challenge wasn't the....
#ai#vectordatabase#docker
5 1
Ragib HasanAug 24, 2026 • 1 min read
Docker Engine Internals: ডকার ইঞ্জিন ভেঙে চুরমার—dockerd, containerd এবং runc কীভাবে কাজ করে?
আগের পর্বে আমরা দেখেছি কন্টেইনার কীভাবে হোস্ট কার্নেল শেয়ার করে রান করে। আজ আমরা পুরো ডকার ইঞ্জিন...
#containers#devops#docker
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Ragib HasanAug 24, 2026 • 2 min read
Virtual Machine (VM) vs Container: Architecture এবং Docker Engine কীভাবে কাজ করে?
সফটওয়্যার ডিপ্লয়মেন্টে Virtual Machine (VM) এবং Container—দুটিই ব্যাপকভাবে ব্যবহৃত হয়। বাইরে থেকে.....
#architecture#devops#docker
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harshAug 22, 2026 • 8 min read
AWS EC2 Deployment — Q&A Reference
A reference guide compiled from deploying two Node.js/Docker apps to AWS EC2, covering the real...
#webdev#aws#docker
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John4d ago • 13 min read
ConvertX Hardware Requirements: How Much CPU, RAM and Disk Before Conversions Start Failing
ConvertX will install and run on a 1 vCPU, 1 GB virtual machine, and it will convert a 2 MB PNG to.....
#selfhosted#docker#ffmpeg#webdev
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Praneeth Kodumagulla4d ago • 5 min read
Docker Swarm Said “Insufficient Resources.” The Running Service Was Using 480 KiB
I expected this task to schedule. The running service was barely doing...
#devops#docker#debugging#tutorial
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