Docker for Web Developers

Version history
Preface
Prerequisites
Course website
Book and/or videos?
Example code
Chat room
Code conventions
Further tips
About me
Copyright and distribution
Introduction
	``It works on my machine, buddy''
	Virtual machining
	Docker delivers
	Nah, I'm still not convinced
	Isn't {insert-technology-here} where it's at?
	Key points
What is Docker?
	Containers
	Images
	Volumes
	Networks
	Docker Compose
	Orchestration
	Docker client-server application
	Docker deployment strategies
	Simpler development and production
	When not to use Docker
	Docker alternatives
	Key points
How to install Docker
	Install Docker on Linux
	Install Docker on macOS
	Install Docker on Windows
	Test your Docker installation
	Key points
Launch a MySQL database with Docker
	Locate a suitable MySQL image on Docker Hub
	Launch a MySQL container
	Connect to the database using a MySQL client
	Connect to a container shell
	View, stop, and restart containers
	Define a Docker network
	Cleaning up
	Launch multiple containers with Docker Compose
	Key points
WordPress development with Docker
	WordPress requirements
	Docker configuration plan
	Docker Compose configuration
	Launch your WordPress environment
	Install WordPress
	Local WordPress Development
	Key points
Application development with Docker
	Container-based application development
	What is Node.js?
	Hello World application overview
	Docker configuration plan
	Dockerfiles
	Build an image
	Launch a production container from your image
	Launch a development environment with Docker Compose
	Live code editing
	Remote container debugging
	Create an image from a container
	Key points
Push your Docker image to a Repository
	Why push an image to Docker Hub?
	Docker Hub alternatives
	Image names and tags
	Create a Docker Hub repository
	Log in locally
	Build an application image
	Tag an image
	Push to Docker Hub
	Distribute your image
	Key points
Docker orchestration on production servers
	Dependency planning
	Application scaling
	Orchestration overview
	Docker Swarm
	Kubernetes
	Key points
Your Docker journey
	Docker's future
	Further Docker help
Appendix A: Docker command-line reference
	Log into Docker Hub
	Search Docker Hub
	Pull a Docker Hub image
	List Docker images
	Build an image from a Dockerfile
	Tag an image
	Push tagged images to Docker Hub
	Launch a container from an image
	List containers
	Run a command in a container
	Attach to a container shell
	Restart a container
	Pause a container
	Unpause (resume) a container
	View container metrics
	Increase container resources
	Stop a container
	Remove stopped containers
	View Docker volumes
	Delete a volume
	Bind mount a host directory
	Define a Docker network
	View networks
	Delete a network
	View system disk usage
	Full clean start
Appendix B: Dockerfile reference
	# comment
	ARG arguments
	ENV environment variables
	FROM  starting image
	WORKDIR working directory
	COPY files from the host to image
	ADD files
	Mount a VOLUME
	Set a USER
	RUN a command
	EXPOSE a port
	CMD execute container
	ENTRYPOINT execute container
	.dockerignore file patterns
Appendix C: Docker Compose reference
	Docker Compose CLI
	docker-compose.yml outline
	Starting image
	build an image from a Dockerfile
	Set the container_name
	Container depends_on another
	Set environment variables
	Set environment variables from a env_file
	Attach to Docker networks
	Attach persistent Docker volumes
	Set a custom dns server
	expose ports
	Define external_links to other containers
	Override the default command
	Override the default entrypoint
	Specify a restart policy
	Run a healthcheck
	Define a logging service
Appendix D: quiz project
	Project overview
	Launch in development mode
	Launch in production mode
	Clean up
	Project file structure
	nodejs Docker image
	nginx Docker image
	mongodb Docker image
	Node.js build process
	Node.js Express.js application
	Client-side files
	Key points