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Anton Shvein6d ago · 10 min read

Supervising What You Don't Own: A Controller Loop in OTP

One morning I opened Camelot and saw a card stuck in the executing column. The agent had been "working" on it since the previous day. The funny part is that the work was already done. The agent had wr

t0ha.hashnode.dev

Anton ShveinOct 22 · 11 min read

OpenTelemetry Collector on Docker Swarm

Two clusters, running for months, and no logs anywhere except docker service logs and my own patience. I decided to fix that. I thought it is a configuration task. Write some YAML, point it at a backe

t0ha.hashnode.dev

SAI PRANEETH BHATTUJun 17 · 18 min read

Beyond One Server: Solving Docker Scaling with Swarm and Container Networks

Pushing All Four Images to Docker Hub We have four images built locally: internet-banking:v1, mobile-banking:v1, insurance:v1, and loans:v1. These images live only on the EC2 host machine right now. T

saipraneethbhattu.hashnode.dev

SAI PRANEETH BHATTUJun 17 · 14 min read

Building Production-Ready Docker Deployments with Secrets, Stacks, and Distroless Images

Docker Secrets: Passing Sensitive Data to Containers Think about what a secret is in the context of a running application. It is any piece of information that should not be visible to unauthorized use

saipraneethbhattu.hashnode.dev

Hatim LohaMay 31 · 4 min read

Lesson 7 — Advanced Dockerfiles

Now we move into professional Docker usage. This lesson is VERY important for: production systems CI/CD optimization security CMD vs ENTRYPOINT One of the most asked Docker interview topics. CMD

dockerlearning-hatim.hashnode.dev

Hatim LohaMay 31 · 3 min read

Lesson 6 — Docker Compose Deep Dive

Lesson 6 — Docker Compose Deep Dive # Now we move from: single containers # to: real applications The Problem Without Compose Imagine starting app manually: docker run -d --name mysql ... docker run

dockerlearning-hatim.hashnode.dev

Dhruv NakumMar 16 · 15 min read

Diving into Docker (Part 7): Docker Swarm

If you are still following along, I must say that a few people have come this far. And let me congratulate you because it's been a long journey, and I am sure you have learned many new things so far.

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Moon RobertMar 9 · 9 min read

Kubernetes vs Docker Swarm vs Nomad: Container Orchestration Showdown 2026

My team's internal tooling cluster hit a wall in late January. We had about 20 services running across two Docker hosts — managed manually with docker-compose and a lot of wishful thinking. One host was at 80% memory constantly. In December alone we ...

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Vaishnavi LandgeJan 4 · 4 min read

Docker From Basics to Advanced – Compose, Swarm & Multi-Container Architecture

In the previous blog, you built a strong foundation in Docker understanding images, containers, Dockerfiles, networking, volumes, and Docker Hub. Now it’s time to level up 🚀 Modern applications are not single containers. They are made of multiple se...

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Rama GrandhiDec 28, 2025 · 4 min read

Docker Stack Explained: Simplify Deploying Multiple Services 🐋❤️

Docker Stack is basically the power of Docker Compose + Docker Swarm combined. Docker Compose lets you run multiple services (like frontend, backend, database, etc.) on a single host. Docker Swarm lets you run a single service across multiple hosts...

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