Docker Deep Dive: Zero to Docker in a single book

Table of Contents....4 0: About the book....8 Part 1: The big picture stuff....11 1: Containers from 30,000 feet....12 The bad old days....12 Hello VMware!....12 VMwarts....12 Hello Containers!....13 Linux containers....13 Hello Docker!....14 Docker and Windows....14 What about WebAssembly....15 What about Kubernetes....15 2: Docker and container-related standards and projects....17 Docker....17 Container-related standards and projects....19 3: Getting Docker....23 Docker Desktop....23 Installing Docker with Multipass....26 Installing Docker on Linux....28 4: The big picture....29 The Ops Perspective....29 The Dev Perspective....33 Part 2: The technical stuff....37 5: The Docker Engine....38 Docker Engine – The TLDR....38 The Docker Engine....39 The influence of the Open Container Initiative (OCI)....41 runc....42 containerd....42 Starting a new container (example)....43 What's the shim all about?....45 How it's implemented on Linux....45 6: Working with Images....47 Docker images – The TLDR....47 Intro to images....48 Pulling images....49 Image registries....50 Image naming and tagging....53 Images and layers....55 Pulling images by digest....61 Multi-architecture images....64 Vulnerability scanning with Docker Scout....68 Deleting Images....70 Images – The commands....72 7: Working with containers....74 Containers – The TLDR....74 Containers vs VMs....75 Images and Containers....78 Check Docker is running....78 Starting a container....80 How containers start apps....81 Connecting to a container....83 Inspecting container processes....84 The docker inspect command....85 Writing data to a container....86 Stopping, restarting, and deleting a container....87 Killing a container's main process....89 Debugging slim images and containers with Docker Debug....91 Self-healing containers with restart policies....96 Containers – The commands....99 8: Containerizing an app....101 Containerizing an app – The TLDR....101 Containerize a single-container app....102 Moving to production with multi-stage builds....113 Buildx, BuildKit, drivers, and Build Cloud....118 Multi-architecture builds....120 A few good practices....123 Containerizing an app – The commands....125 9: Multi-container apps with Compose....127 Docker Compose – The TLDR....127 Compose background....128 Installing Compose....128 The sample app....129 Compose files....131 Deploying apps with Compose – The commands....140 10: Docker Swarm....142 Docker Swarm – The TLDR....142 Swarm primer....143 Build a secure swarm cluster....144 Docker Swarm – The Commands....165 11: Deploying apps with Docker Stacks....167 Deploying apps with Docker Stacks – The TLDR....167 Build a Swarm lab....168 The sample app....169 Deploy the app....175 Managing the app....178 Deploying apps with Docker Stacks – The Commands....183 12: Docker and WebAssembly....184 Pre-reqs....185 Intro to Wasm and Wasm containers....187 Write a Wasm app....188 Containerize a Wasm app....190 Run a Wasm container....192 Clean up....193 Chapter summary....193 13: Docker Networking....195 Docker Networking – The TLDR....196 Docker networking theory....196 Single-host bridge networks....200 External access via port mappings....207 Docker Networking – The Commands....221 14: Docker overlay networking....223 Docker overlay networking – The TLDR....223 Docker overlay networking history....223 Building and testing Docker overlay networks....224 Overlay networks explained....231 Docker overlay networking – The commands....236 15: Volumes and persistent data....238 Volumes and persistent data – The TLDR....238 Containers without volumes....239 Containers with volumes....240 Volumes and persistent data – The Commands....247 16: Docker security....249 Docker security – The TLDR....249 Kernel Namespaces....250 Control Groups....253 Capabilities....253 Mandatory Access Control systems....254 seccomp....254 Docker security technologies....255 Swarm security....255 Docker Scout and vulnerability scanning....262 Signing and verifying images with Docker Content Trust....265 Docker Secrets....268 What next....271 Terminology....273 Index....280