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Docker Volume & NFS: The ‘Lifesaver’ Solution for Multi-Host Data
A guide on configuring Docker Volumes with the NFS Driver for multi-host data sharing. A simple, effective solution for Docker Swarm and High Availability.
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Colima Guide: A Smooth Docker Desktop Alternative, a ‘Lifesaver’ for RAM on macOS
Don't let Docker Desktop hog all your RAM. Learn how to switch to Colima: a lightweight, free Docker Engine alternative perfectly optimized for macOS M1/M2/M3.
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HashiCorp Nomad: Lightweight Docker Container Management — A Better Alternative to Kubernetes for Small and Medium Systems
HashiCorp Nomad is a lightweight Docker container orchestration solution, ideal for small teams looking to avoid the complexity of Kubernetes. This article covers installation, practical job spec writing, and operational tips drawn from real-world microservices experience.
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Dockerize Elixir Phoenix: Multi-stage Build, OTP Releases, and Production-Ready Erlang Clustering
A detailed guide to Dockerizing Elixir Phoenix with an optimized multi-stage build that reduces image size from 1.2GB to 85MB, production-ready OTP Releases configuration, and automatic Erlang clustering via libcluster DNS in Docker Compose. Includes a real-world Dockerfile, clustering configuration, and a deploy script with safe database migrations.
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Securing Docker Containers with Authentik Forward Auth: Add SSO and MFA in 10 Minutes
Turn insecure Docker applications into a secure system with SSO and MFA by using Authentik as Forward Auth via Traefik.
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Configuring IPv6 for Docker Containers: A Step-by-Step Dual-Stack Guide
A guide to configuring IPv6 for Docker containers, from enabling daemon.json to creating dual-stack networks in Docker Compose. Covers IP range management, exposing containers externally via IPv6, and practical debugging tips for developers.
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Vector: A Ultra-Lightweight Docker Logging Solution to Replace Logstash
A detailed guide on using Vector for Docker container log collection and processing. A lightweight Rust-based Logstash alternative to save RAM and optimize DevOps performance.
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Docker Checkpoint and Restore with CRIU: Live Container Migration Without Service Downtime
CRIU (Checkpoint/Restore In Userspace) lets you freeze the complete state of a running Docker container and restore it on another server without losing any in-memory state. This guide walks through setting up and using Docker Checkpoint with CRIU for zero-downtime container migration, with practical tips from real-world experience.
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Buildah: Build OCI Container Images Without Docker Daemon — The Rootless Solution for CI/CD
Buildah lets you build OCI container images without a Docker daemon, running completely rootless as a regular user. This guide walks through installation, building with a Containerfile or scripted build, and securely integrating Buildah into GitLab CI and GitHub Actions pipelines.
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Dockerizing Django REST Framework: From ‘Bulky’ Images to Lean Production Builds
Learn how to optimize Docker for Django REST Framework for production: reduce image size, configure multi-stage builds, and efficiently manage Celery/Redis stacks.