Build Your Own Paas With Docker by Hane, Oskar -- Read -- Imperial Library of Trantor

Index

Build Your Own PaaS with Docker

Table of Contents Build Your Own PaaS with Docker Credits About the Author About the Reviewers www.PacktPub.com

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Preface

What this book covers What you need for this book Who this book is for Conventions Reader feedback Customer support

Downloading the example code Errata Piracy Questions

1. Installing Docker

What is Docker? Docker on Ubuntu Trusty 14.04 LTS

Upgrading Docker on Ubuntu Trusty 14.04 LTS User permissions

Docker on Mac OS X

Installation Upgrading Docker on Mac OS X

Docker on Windows

Installation Upgrading Docker on Windows

Docker on Amazon EC2

Installation Open ports Upgrading Docker on Amazon EC2 User permissions Displaying Hello World

Summary

2. Exploring Docker

The Docker image The Docker container The Docker command-line interface The Docker Registry Hub

Browsing repositories Exploring published images

Summary

3. Creating Our First PaaS Image

The WordPress image Moving from the defaults Our objective

Preparing for caching Raising the upload limit Plugin installation

Making our changes persist Hosting image sources on GitHub Publishing an image on the Docker Registry Hub

Automated builds

Summary

4. Giving Containers Data and Parameters

Data volumes

Mounting a host directory as a data volume Mounting a data volume container Backing up and restoring data volumes

Creating a data volume images

Data volume image

Exposing mount points The Dockerfile

Hosting on GitHub Publishing on the Docker Registry Hub Running a data volume container Passing parameters to containers Creating a parameterized image Summary

5. Connecting Containers

Manually connecting containers Exploring the contents of a data volume container Connecting containers using Docker Compose

Installing Docker Compose Basic Docker Compose commands

Service Using the run command Using the scale command

Setting up our PaaS with Docker Compose

Connecting containers using Crane

Installing Crane Usage Configuration

Summary

6. Reverse Proxy Requests

Explaining the problem Finding a solution Implementing the solution

Implementation with HAProxy

Installing HAProxy Configuring HAProxy Adding more domains to HAProxy

Implementation with Nginx

Installing Nginx Configuring Nginx Adding more domains to Nginx

Automating the process of mapping domains Summary

7. Deployment on Our PaaS

The problem with our current setup The tools/services available Dokku – Docker-powered mini-Heroku

Installation Creating a sample Dokku app How Dokku works

The receive process

Dokku plugins

Dokku domains plugin Dokku-docker-options Volume plugin for Dokku Dokku-link MariaDB plugin for Dokku

Setting up a WordPress app with Dokku

Starting multiple apps Adding a domain to Dokku More notes on Dokku

Summary

8. What's Next?

What is a Twelve-Factor app? Flynn Deis Rocket Orchestration tools Summary

Index

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