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BWBlogs Worldankitkhoiwal.hashnode.dev2h ago · 5 min read

Docker Compose depends_on Is Not Readiness: Healthchecks That Actually Gate Startup

You run docker compose up, the database container starts first exactly like depends_on says, and your API still crashes with ECONNREFUSED, Connection refused, or could not connect to server. Run it ag

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JTJAY TANKjaytank.hashnode.dev4h ago · 10 min read

The "DB_PASSWORD" variable is not set. Defaulting to a blank string: fixing unset ${VAR} in Docker Compose

You run docker compose up, the logs scroll past, and somewhere near the top is a line you have probably seen a hundred times: WARN[0000] The "DB_PASSWORD" variable is not set. Defaulting to a blank st

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KEKingsley Erhatiemwonmonkingzcloud.hashnode.dev1d ago · 10 min read

Docker CI/CD Pipeline: Deploying a Containerized App to AWS EC2

How I containerized The EpicBook, automated deployment with GitHub Actions, published versioned images to GHCR, and explored AI-assisted Docker security auditing. Introduction A CI/CD pipeline is more

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Jjudesoit-ai.hashnode.devSep 27 · 16 min read

What your healthcheck actually checks: four probe bugs in a self-hosted agent runtime

The short version When docker compose ps says the api container is unhealthy, is it right? And what is it actually checking? Our health checks turned out to have one probe that checks too hard, one th

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HRHritik ranjanblogs.hritikranjan.inSep 26 · 40 min read

Kubernetes Local Installation Guide for Beginners: KIND & Minikube Step-by-Step

The good news is that you can run a complete Kubernetes cluster directly on your laptop. In this guide, we will learn two of the most popular ways to run Kubernetes locally: KIND — Kubernetes IN Dock

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WNWaleed Naveedwntech.hashnode.devSep 24 · 10 min read

How to Run n8n Locally with Docker Compose – Self-Hosting Guide

n8n is a powerful workflow automation platform that allows you to connect applications, APIs, databases, AI services, and other tools to automate repetitive processes. You can use n8n Cloud, but n8n a

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ASAhmed Salaumedon.hashnode.devSep 15 · 16 min read

From Docker Compose to AWS EC2: Deploying a Full-Stack Application with Nginx, ECR and Jenkins

I've spent a lot of time learning individual DevOps tools—Docker, Jenkins, Terraform, AWS, CI/CD, and container registries. But there's a point in every learning journey where you need to stop learnin

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MBMarco Borettomboretto.hashnode.devSep 13 · 4 min read

Run Pi-hole on a Raspberry Pi with Docker Compose

Pi-hole is a DNS sinkhole that blocks ads and trackers network-wide, without relying on browser extensions. Running it as a Docker Compose service on a Raspberry Pi keeps the setup self-contained and

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PSPritam Subham Panipritampani.hashnode.devSep 12 · 21 min read

Docker : From “Works on My Machine” to Containers

“It works on my machine.” You may have heard this many times in software development. An application works perfectly on one developer's computer, but when someone else tries to run the same project,

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APAmaresh Pelletidevtoolhub.hashnode.devSep 2 · 1 min read

Docker Compose Recreates Containers After 5.5 Upgrade

Originally published on DevToolHub. Docker Compose 5.5 recreates containers on the first compose up after upgrading. That's expected — the release overhauled image digest reconciliation, and containe

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Trending tags this week

Docker Compose depends_on Is Not Readiness: Healthchecks That Actually Gate Startup

The "DB_PASSWORD" variable is not set. Defaulting to a blank string: fixing unset ${VAR} in Docker Compose

Docker CI/CD Pipeline: Deploying a Containerized App to AWS EC2

What your healthcheck actually checks: four probe bugs in a self-hosted agent runtime

Kubernetes Local Installation Guide for Beginners: KIND & Minikube Step-by-Step

How to Run n8n Locally with Docker Compose – Self-Hosting Guide

From Docker Compose to AWS EC2: Deploying a Full-Stack Application with Nginx, ECR and Jenkins

Run Pi-hole on a Raspberry Pi with Docker Compose

Docker : From “Works on My Machine” to Containers

Docker Compose Recreates Containers After 5.5 Upgrade