NPNitin Poojaryinnitin-poojary-golang.hashnode.dev·5d ago · 13 min readDocker Networking Deep Dive: How My Air Hockey Server's Containers Actually Talk to Each OtherIntroduction Early on, while dockerizing the air hockey backend, Redis was running in its own container but the API server was still running locally on my machine, so localhost:6379 worked fine. Same 00
VVinuthnainvinuthna.hashnode.dev·Jun 25 · 6 min read🐳 Docker with Python: Build and Run a Flask Application Step-by-StepIntroduction When developing Python applications, one common problem developers face is: "It works on my machine, but not on the server." This usually happens because every machine has a different e00
HAHardik Arorainhardik0811arora.hashnode.dev·Jun 1 · 7 min readBuilding a Zero-Egress, AI-Driven DevSecOps Pipeline: My Journey with SupplyChain-Guardian-AI As platform engineering evolves, we are constantly battling alert fatigue. We run our vulnerability scanners, generate endless Software Bill of Materials (SBOMs), and drop massive PDF reports onto dev00
RRRahul Ravindraninrahulr.cc·Jun 1 · 5 min readAn In-Depth Guide to Dockerfiles: From Basics to Production OptimizationDocker is an essential tool in modern software development, enabling teams to build and deploy applications in a consistent and repeatable manner. At the heart of Docker is the Dockerfile, a simple ye00
HLHatim Lohaindockerlearning-hatim.hashnode.dev·May 31 · 4 min readLesson 7 — Advanced DockerfilesNow 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. CMD00
RSRahul Shuklaindevopsjourneywithrahul.hashnode.dev·May 27 · 8 min read Docker for Absolute Beginners — Complete Beginner GuideIf you are starting your DevOps journey, then Docker is one of the most important tools you should learn. Before Docker, developers often faced a very common issue: “It works on my machine, but not o10
HLHatim Lohaindockerlearning-hatim.hashnode.dev·May 24 · 4 min readLesson 3 — Docker Images Deep DiveThis is one of the MOST important Docker topics. If you understand images deeply: Dockerfiles become easy optimization becomes easy debugging becomes easy What Is a Docker Image? Image = read-onl10
HLHatim Lohaindockerlearning-hatim.hashnode.dev·May 24 · 3 min readLesson 4 — Docker Volumes & PersistenceThis lesson fixes one of the biggest beginner problems. The Problem Containers are: ephemeral Meaning: temporary disposable if container removed: internal data disappears Example Problem Run My10
HLHatim Lohaindockerlearning-hatim.hashnode.dev·May 23 · 3 min readLesson 1 — Why Docker Exists Before Docker, developers had a huge problem:The Classic Problem Developer says: It works on my machine But: production fails dependencies differ OS versions differ package versions differ Example: Your laptop: Node.js 20 Ubuntu 24 Red00
JCJason Corleyinjasoncorley.hashnode.dev·May 22 · 1 min readhave you everhave you ever gone off and done a thing and at the end looked back and thought: I have no idea what I was trying to accomplish there I think I had an idea when I started on this container but I have00
