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Articles tagged with #containers
1. What is Docker? Answer:Docker is an open-source containerization platform used to build, package, and run applications inside lightweight, portable containers. It helps manage the entire lifecycle of containers — building images, running container...
Bridge vs Host vs Overlay Networks Secure Containers Using Custom Bridge Network 1️⃣ Introduction — Why Docker Networking? Docker Networking (or container networking) enables communication: Between containers. Between containers and the host syst...
1️⃣ The Problem — Why Persistent Storage Is Needed Containers are ephemeral (temporary).When a container stops or crashes, all data inside it is lost. 🧩 Example 1: NGINX Logs Lost After Container Stops Suppose you run an NGINX container that stores...
🚀 Reduce Image Size by 800% and Improve Security 🎯 1. Objective In this session, we’ll learn: The concept of Multi-Stage Docker Builds The concept of Distroless (Destroyless) Images Both concepts are closely related — using distroless images e...
Create directory for Dockerfile Create Docker file, Name should be Dockerfile #Start with an #Ubuntu base image FROM ubuntu #Add metadata with a Name Label LABEL Name="Dinesh" #Update packages and Install Apache2 RUN apt-get update && apt-get inst...
Dockerfile A Dockerfile is a crucial component in Docker that automates the process of building Docker images. It consists of a series of instructions that Docker uses to create a container image, detailing how the application inside the container sh...
