When a container is connected to a user-defined network, the Docker Engine adds the container's name and its network alias (if present) to the user-defined network's DNS record. Then Docker shares these details to the other containers connected to the same user-defined network through the embedded DNS hosted at 127.0.0.11.
How it works...
by Neependra K Khare, Jeeva S. Chelladhurai, Ken Cochrane
Docker Cookbook - Second Edition
- Title Page
- Copyright and Credits
- Dedication
- Packt Upsell
- Contributors
- Preface
- Introduction and Installation
- Introduction
- Verifying requirements for Docker installation
- Installing Docker on Ubuntu
- Installing Docker on CentOS
- Installing Docker on Linux with an automated script
- Installing Docker for Windows
- Installing Docker for Mac
- Pulling an image and running a container
- Adding a nonroot user to administer Docker
- Finding help with the Docker command line
- Working with Docker Containers
- Introduction
- Listing/searching for an image
- Pulling an image
- Listing images
- Starting a container
- Listing containers
- Looking at the container logs
- Stopping a container
- Removing a container
- Removing all stopped containers
- Setting the restart policy on a container
- Getting privileged access inside a container
- Accessing the host device inside a container
- Injecting a new process into a running container
- Reading a container's metadata
- Labeling and filtering containers
- Reaping a zombie inside a container
- Working with Docker Images
- Introduction
- Creating an image from the container
- Creating an account with Docker Hub
- Logging in and out of the Docker image registry
- Publishing an image to the registry
- Looking at the history of an image
- Removing an image
- Exporting an image
- Importing an image
- Building an image using a Dockerfile
- Building an Apache image – a Dockerfile example
- Setting up a private index/registry
- Automated builds – with GitHub and Bitbucket
- Creating a custom base image
- Creating a minimal image using a scratch base image
- Building images in multiple stages
- Visualizing the image hierarchy
- Network and Data Management for Containers
- Introduction
- Accessing containers from outside
- Attaching containers to a host network
- Launching containers with no network
- Sharing IP addresses with other containers
- Creating a user-defined bridge network
- Discovering and load balancing containers
- Persisting data using volumes
- Sharing data between the host and the container
- Docker Use Cases
- Docker APIs and SDKs
- Docker Performance
- Docker Orchestration and Hosting a Platform
- Docker Security
- Getting Help and Tips and Tricks
- Introduction
- Starting Docker in debug mode
- Building a Docker binary from the source
- Building images without using cached layers
- Building your own bridge for container communication
- Changing the default OCI runtime
- Selecting the logging driver for containers
- Getting real-time Docker events for containers
- Docker on the Cloud
- Other Books You May Enjoy
How it works...
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