The Docker Book

Credits and Acknowledgments......Page 11
Scott Collier......Page 12
Technical Illustrator......Page 13
Conventions in the book......Page 14
Version......Page 15
Introduction......Page 16
Introducing Docker......Page 17
A logical segregation of duties......Page 18
Docker components......Page 19
Docker client and server......Page 20
Registries......Page 22
Containers......Page 23
What can you use Docker for?......Page 24
Docker with configuration management......Page 25
Docker's technical components......Page 26
What's in the book?......Page 27
Docker resources......Page 28
Installing Docker......Page 29
Installing on Ubuntu and Debian......Page 31
Checking for prerequisites......Page 32
Installing Docker......Page 34
Docker and UFW......Page 36
Installing on Red Hat and family......Page 37
Installing Docker......Page 38
Starting the Docker daemon on the Red Hat family......Page 41
Docker for Mac......Page 42
Installing Docker for Mac......Page 43
Docker for Windows installation......Page 44
Installing Docker for Windows......Page 45
Using Docker on OSX and Windows with this book......Page 46
Docker installation script......Page 47
Binary installation......Page 48
The Docker daemon......Page 49
Configuring the Docker daemon......Page 50
Checking that the Docker daemon is running......Page 52
Docker user interfaces......Page 54
Summary......Page 55
Ensuring Docker is ready......Page 56
Running our first container......Page 58
Working with our first container......Page 61
Container naming......Page 64
Starting a stopped container......Page 65
Attaching to a container......Page 66
Creating daemonized containers......Page 67
Seeing what's happening inside our container......Page 68
Docker log drivers......Page 70
Inspecting the container's processes......Page 71
Docker statistics......Page 72
Running a process inside an already running container......Page 73
Stopping a daemonized container......Page 74
Automatic container restarts......Page 75
Finding out more about our container......Page 76
Deleting a container......Page 79
Summary......Page 80
Working with Docker images and repositories......Page 81
What is a Docker image?......Page 82
Listing Docker images......Page 84
Pulling images......Page 88
Searching for images......Page 90
Creating a Docker Hub account......Page 92
Using Docker commit to create images......Page 94
Building images with a Dockerfile......Page 97
Building the image from our Dockerfile......Page 101
What happens if an instruction fails?......Page 104
Dockerfiles and the build cache......Page 106
Using the build cache for templating......Page 107
Viewing our new image......Page 108
Launching a container from our new image......Page 109
Dockerfile instructions......Page 114
Pushing images to the Docker Hub......Page 137
Automated Builds......Page 140
Deleting an image......Page 143
Running your own Docker registry......Page 145
Testing the new registry......Page 146
Summary......Page 148
Testing with Docker......Page 150
An initial Dockerfile for the Sample website......Page 151
Building our Sample website and Nginx image......Page 155
Building containers from our Sample website and Nginx image......Page 157
Editing our website......Page 160
Building our Sinatra application......Page 162
Creating our Sinatra container......Page 164
Extending our Sinatra application to use Redis......Page 169
Connecting our Sinatra application to the Redis container......Page 174
Docker internal networking......Page 175
Docker networking......Page 181
Connecting containers summary......Page 192
Using Docker for continuous integration......Page 193
Build a Jenkins and Docker server......Page 194
Create a new Jenkins job......Page 200
Running our Jenkins job......Page 206
Next steps with our Jenkins job......Page 208
Create a multi-configuration job......Page 209
Testing our multi-configuration job......Page 214
Summary of our multi-configuration Jenkins......Page 216
Summary......Page 217
Building our first application......Page 218
The Jekyll base image......Page 219
Building the Jekyll base image......Page 220
The Apache image......Page 222
Building the Jekyll Apache image......Page 224
Launching our Jekyll site......Page 225
Updating our Jekyll site......Page 228
Backing up our Jekyll volume......Page 230
Building a Java application server with Docker......Page 232
A WAR file fetcher......Page 233
Fetching a WAR file......Page 235
Our Tomcat 7 application server......Page 236
Running our WAR file......Page 238
Building on top of our Tomcat application server......Page 239
A multi-container application stack......Page 243
The Node.js image......Page 244
The Redis base image......Page 247
The Redis primary image......Page 249
The Redis replica image......Page 250
Creating our Redis back-end cluster......Page 251
Creating our Node container......Page 258
Capturing our application logs......Page 259
Summary of our Node stack......Page 263
Managing Docker containers without SSH......Page 264
Summary......Page 265
Docker Orchestration and Service Discovery......Page 266
Docker Compose......Page 267
Installing Docker Compose......Page 268
Getting our sample application......Page 269
The docker-compose.yml file......Page 273
Running Compose......Page 276
Using Compose......Page 278
Consul, Service Discovery and Docker......Page 282
Building a Consul image......Page 284
Testing a Consul container locally......Page 288
Running a Consul cluster in Docker......Page 290
Starting the Consul bootstrap node......Page 293
Starting the remaining nodes......Page 296
Running a distributed service with Consul in Docker......Page 304
Docker Swarm......Page 317
Understanding the Swarm......Page 318
Setting up a Swarm......Page 319
Running a service on your Swarm......Page 324
Orchestration alternatives and components......Page 329
Helios......Page 330
Summary......Page 331
The Docker APIs......Page 332
First steps with the Engine API......Page 333
Testing the Docker Engine API......Page 337
Managing images with the API......Page 338
Managing containers with the API......Page 340
Improving the TProv application......Page 345
Authenticating the Docker Engine API......Page 350
Create a Certificate Authority......Page 351
Create a server certificate signing request and key......Page 353
Configuring the Docker daemon......Page 357
Creating a client certificate and key......Page 358
Configuring our Docker client for authentication......Page 361
Summary......Page 363
Getting help and extending Docker......Page 364
Docker on GitHub......Page 365
Setting up a build environment......Page 366
Check out the source......Page 367
Build the environment......Page 368
Running the tests......Page 371
Submitting a pull request......Page 373
Merge approval and maintainers......Page 375
List of Figures......Page 376
Index......Page 379