Beginning DevOps with Docker电子书

Beginning DevOps with Docker

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PacktPub.com

Contributors

About the author

About the reviewer

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Preface

Hardware

Software

Who This Book is for

Conventions

Note

Tip

Reader Feedback

Customer Support

Downloading the Example Code

Installation

Errata

Piracy

Questions

Chapter 1. Images and Containers

Lesson Objectives

Virtualization versus Containerization

How Docker Improves a DevOps Workflow

Note

Recap of the Docker Environment

Basic Docker Terminal Commands

Note

Activity 1 — Utilizing the docker pull Command

Activity 2 — Analyzing the Docker CLI

Dockerfile Syntax

Note

Writing Dockerfiles for Python and JavaScript examples

Note

Python

Note

JavaScript

Activity 3 — Building the Dockerfile

Building Images

docker build

Note

Note

Note

Note

Removing Docker Images

Activity 4 — Utilizing the Docker Image

Running Containers From Images

Note

Note

Note

Python

Note

Versioning Images and Docker Hub

Deploying a Docker Image to Docker Hub

Summary

Chapter 2. Application Container Management

Lesson Objectives

The docker-compose Tool

Note

Installing docker-compose

Note

Overview of a Multi-Container Application Setup

The Frontend

The Backend

Note

Note

The Database

Note

Note

Using docker-compose

Note

Note

docker-compose first run

Activity 1 — Running WordPress Using docker-compose

Note

Note

Note

The docker-compose file: docker-compose.yml

Note

Note

Note

The docker-compose CLI

Note

Note

Note

Activity 2 — Analyzing the docker- compose CLI

Managing Multiple Containers and Distributed Application Bundles

Note

Improve a Docker Workflow

Note

The Django Compose File Broken Down

Endure Data Using Volumes

Note

Note

Ports

Note

Activity 3 — Running the docker-compose File

Networking with docker-compose

Note

Note

Run the WordPress Containers

Summary

Chapter 3. Orchestration and Delivery

Lesson Objectives

Orchestration

Note

An Overview of Docker Swarm

Note

Note

Note

Using Docker Engine to Create a Swarm

Note

Creating Docker Machines

Note

Listing Created Machines

Note

Worker Machine Creation

Note

Initializing our Swarm

Note

Connecting to a Machine

Note

Initializing Swarm Mode

Note

Note

Note

Adding Workers to our Swarm

Note

Viewing a Cluster's Status

Activity 1 — Adding Nodes to a Cluster

Managing Services and Applications in a Swarm

Note

Creating a Service

Note

Listing Services

Service Status

Note

How Do We Know Our Site is Running?

Note

Activity 2 — Running Services on a Swarm

Scaling Services Up and Down

Note

Scaling Our Database Service

Note

How Does Swarm Know Where to Schedule a Service?

Note

How Does Swarm Load Balance Requests between Replicas?

Activity 3 — Scaling Services on a Swarm

Summary

Index

A

B

C

D

G

L

M

N

O

P

S

T

V

W