Docker | HxHippy

Docker enables consistent application deployment through containerization. From basic concepts to production-ready configurations, master containers with these comprehensive guides.

Guides

Getting Started

Docker Installation

beginner

Complete guide to installing Docker on Linux, macOS, and Windows.

dockerinstallsetupdocker engine

Images & Containers

beginner

Understanding Docker images and containers - the core concepts.

dockerimagescontainerslayers

Essential Commands

beginner

Quick reference for essential Docker commands.

dockercommandsclireference

Docker Hub & Registries

beginner

Working with Docker Hub and private registries.

docker hubregistrypushpull

Dockerfile

Dockerfile Basics

beginner

Writing Dockerfiles to build custom images.

dockerfilebuildfromrun

Dockerfile Best Practices

intermediate

Optimize Dockerfiles for smaller, faster, and more secure images.

dockerfileoptimizationlayerscaching

Multi-stage Builds

intermediate

Use multi-stage builds for smaller, optimized production images.

dockerfilemulti-stagebuildoptimization

Build Arguments & Variables

intermediate

Dynamic builds with ARG, ENV, and build-time variables.

dockerfileargenvvariables

Docker Compose

Docker Compose Basics

beginner

Define and run multi-container applications with Docker Compose.

docker composeyamlservicesmulti-container

Service Configuration

intermediate

Advanced service configuration in Docker Compose.

docker composeserviceshealthcheckrestart

Compose Networking

intermediate

Configure networks for service communication in Docker Compose.

docker composenetworkingbridgeservice discovery

Volumes in Compose

intermediate

Manage persistent data with volumes in Docker Compose.

docker composevolumespersistencebind mounts

Environment Variables

beginner

Manage configuration with environment variables in Docker Compose.

docker composeenvironmentenvconfiguration

Production Setup

advanced

Production-ready Docker Compose configurations.

docker composeproductiondeploymentscaling

Networking

Network Types

intermediate

Understanding Docker network drivers and types.

dockernetworkingbridgehost

Bridge Networks

intermediate

Configure bridge networks for container communication.

dockerbridgenetworkingisolation

Host Networking

intermediate

Use host networking mode for maximum performance and direct host access.

dockerhost networknetworkingperformance

DNS & Service Discovery

intermediate

Configure DNS resolution and service discovery in Docker networks.

dockerdnsservice discoverynetworking

Storage

Docker Volumes

intermediate

Persist data with Docker volumes for stateful applications.

dockervolumespersistencestorage

Bind Mounts

beginner

Mount host directories into containers with bind mounts.

dockerbind mountstoragedevelopment

Security

Security Best Practices

advanced

Secure Docker containers with defense-in-depth strategies.

dockersecurityhardeningbest practices

Secrets Management

intermediate

Securely manage sensitive data in Docker containers.

dockersecretscredentialspasswords

Image Scanning

intermediate

Scan Docker images for vulnerabilities and security issues.

dockersecurityscanningvulnerabilities

Docker Workflow

1.Write Dockerfile - Define image build steps
2.Build Image - Create immutable artifact
3.Push to Registry - Store and distribute

4.Pull Image - Download to target host
5.Run Container - Start application instance
6.Scale & Monitor - Manage in production