Docker deep dive
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This presentation covers the basic architecture and components of docker, along with it's releases and milestones and upcoming features. It also covers a small section on optimizing our docker images.
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Docker introduction
Docker is a system for running applications in isolated containers. It addresses issues with traditional virtual machines by providing lightweight containers that share resources and allow applications to run consistently across different environments. Docker eliminates inconsistencies in development, testing and production environments. It allows applications and their dependencies to be packaged into a standardized unit called a container that can run on any Linux server. This makes applications highly portable and improves efficiency across the entire development lifecycle.
What is Docker and why is it so hot?
This document provides an overview of Docker, containers, and related tools. It introduces Docker Inc. as the company that started the "hype" around Docker by open sourcing the Docker codebase in 2013. Containers are explained as a collection of kernel features like namespaces and cgroups that isolate processes. Popular container runtimes include Docker Engine, rkt, and App Container. Images are standardized read-only filesystems used to deploy applications in containers. Tools like Docker Machine, Docker Compose, Docker Swarm, and Kitematic help provision and manage containers. A voting application demo is shown to illustrate Docker in action.
Introduction to the Oracle Container Engine
This document discusses Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE). It provides background on the speaker Jon Reeve and his experience with containers. It describes Oracle's acquisition of StackEngine, a Docker management company. It outlines the phases of container adoption and positions Docker and Kubernetes as popular tools. It provides an overview of OCI and OKE, highlighting OKE's developer-friendly and enterprise-ready features like one-click clusters, integrated plugins, and team-based access controls. Pricing is discussed where OKE and OCIR consume underlying IaaS resources at no additional cost.
Docker Meetup Bangalore - Docker + Openstack
This is an Introductory presentation about Docker and Openstack, where they come together. This also give details about community projects in this area (Docker + Openstack) and more details about Nova-Docker. It assumes background of both Dockers and Openstack in general.
Docker handons-workshop-for-charity
This document provides an agenda and overview for a hands-on workshop on container and Docker technologies. It begins with a brief introduction to containers and Docker, then covers installing and managing Docker containers using tools like Portainer and OpenShift Origin. It also discusses building simple Docker applications and has sections on container and Docker concepts like images, containers, registries, advantages, and the Docker ecosystem. The document aims to explain containers and Docker for both developers and IT administrators.
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Docker deep dive
- 2. @appasionatechie • a.k.a Arati Kulkarni • Devops Engineer @AppOrbit • Docker Meetup Group Pune Co-organizer • https://apassionatechie.wordpress.com/
- 8. Docker Announcements • Kubernetes + Swarm (Single Cluster and Management Pane) Docker EE (18.06) • Supported Solution for Running Containers on Windows Server 2016 Docker EE (18.06) • Secure Application Zone (Resource Set+RBAC+k8s namespace) Docker EE (18.06) • Federated Application Management Across Multi-Cloud Environments Docker EE (18.06) • Template-based workflows for Docker Desktop (Deploy containers on docker without learning it) Docker EE (18.06) • Deploying and Benchmarking Open Source Serverless Frameworks Docker EE (18.06) • Hybrid-OS Cluster (17.06) • Enhanced RBAC (Custom Roles, Subject, Collections, Grant, RBAC for nodes) (17.06) • Automated Image Promotion and Immutable Repos (17.06) • Multi-stage builds (17.06) • Moby project and LinuxKit (17.03) • Docker MTA (17.03) • Docker donates containerd to CNCF (17.03) • Default storage driver changed from devicemapper to overlay2 and —experimental flag (1.13) • Docker engine archived (docker CE/EE + Docker Datacenter) (1.13) • Docker Swarm Mode (1.12) • Docker for Mac/Windows (1.12) • Docker Content Trust (1.8)
- 10. We need smaller docker images! But, why?
- 11. How long does it take… When you pull images? When you build images? When you cache images? When you push images? When you deploy containers?
- 12. Less is more! But smaller images are not always better…
- 13. Optimising Our Images • Choosing the right base image • Managing files • Managing the layers • Cleaning up the images • Architecting images
- 14. • Graphviz • Microbadger • Portainer • Docker commands
- 15. The right questions What can we exclude from the images? Is there a better base image to use? What can we avoid repeating? Can we move complexity to/from build time? Can we reduce layers in our Dockerfile?
- 16. Do what is right for your application
- 17. • https:// www.katacoda.com/ courses/docker • https://training.play-with- docker.com/ • https://labs.play-with- docker.com/ • https://blog.docker.com/ • https://blog.alexellis.io/