Posted inDocker
Dockerizing Python with Poetry: A Smooth Solution for Dependencies and Build Speed
Forget Pip! Here's how to Dockerize Python apps using Poetry to slash image sizes by 80% and achieve lightning-fast builds with Layer Caching.
Posted inDocker
Stop Installing Terraform and Ansible Directly: Use Docker CLI to Keep Your Host Clean
Stop installing Terraform or Ansible directly! Discover how to use Docker for all your CLI tools to keep your host system clean and eliminate version conflicts once and for all.
Posted inDocker
Harbor Installation Guide: Building a Professional Private Registry for DevOps
Bypass Docker Hub limits by installing Harbor Private Registry. A detailed guide from system configuration and Trivy scanning to secure image management.
Posted inDocker
How to Safely Expose Docker Containers to the Internet via Cloudflare Tunnel (No Port Forwarding)
Forget about Port Forwarding and DDNS worries. A detailed guide on using Cloudflare Tunnel to safely expose Docker containers, hide origin IPs, and get automatic SSL.
Posted inDocker
Kaniko: Building “Clean” and Secure Docker Images Without Root Privileges
Build Docker images securely without root privileges or a Docker Daemon. A detailed guide on using Kaniko to optimize security and performance for your CI/CD pipelines.
Posted inDocker
Dockerize Spring Boot: From 800MB ‘Giant’ to 150MB and the Ultimate Trick to Fix OOM
Learn advanced Spring Boot Dockerization: Reduce image size from 800MB to 150MB and use smart JVM configuration to eliminate OOM errors in production.
Posted inDatabase
Installing and Using Neo4j: When SQL “Gives Up” on Complex Relationships
Stop struggling with complex SQL JOINs. Learn how to install Neo4j with Docker, optimize RAM, and use Python to build a friend recommendation system in just a few lines of code.
Posted inSecurity
Self-hosting Vaultwarden with Docker: Lightweight and Secure ‘Personal’ Password Management
Don't let passwords be your biggest weakness. This article guides you through deploying Vaultwarden with Docker to take full control of your data at near-zero cost.
Posted inDevelopment
LocalStack: Simulate AWS S3, Lambda, DynamoDB Locally — Completely Free
LocalStack lets you emulate AWS S3, Lambda, and DynamoDB locally using Docker, no real AWS account needed. This guide covers setup, a comparison with alternative approaches, and pytest integration for running integration tests completely offline.
Posted inDocker
Cleaning Up Your Dockerfile with Hadolint: Stop Bloated and Insecure Images
Are your Dockerfiles heavy and insecure? Use Hadolint to automate Best Practice checks. This guide covers image optimization, security patching, and CI/CD integration.