ClickOps

Docker

Now that we have a good overview of containers and the Docker platform, let’s take a look at building our first image. An image includes everything you need to run an application – the code or binary, runtime, dependencies, and any other file system objects required.

  • Docker Monitoring Market is estimated to grow from USD 223.7 Millionin 2019 to USD 2583.8 Million by 2027, at a CAGR of 8% during 2020-2027.
  • Docker has a total of 318 billion all time pulls on Docker Hub, an increase of 145% year-over-year.
  • Docker now has 7.3 million total Docker Hub accounts, up approximately 45% year-over-year.
  • There are approximately 8.3 million application container image repos on Hub, representing a nearly 40% year-over-year increase
  • Installations of Docker Desktop have now reached 3.3 million, which is a year-over-year increase of approximately 38%.
  • Other major companies that deploy Docker include: Business Insider, Spotify, Yelp, ADP, eBay, Expedia, Groupon, ING, New Relic, The New York Times, Oxford University Press, PayPal. Sage, Shopify, The Washington Post and Uber
  • There’s been a 50% increase in job postings that specify Docker as a preferred skill
  • Developers around the world ranked Docker as the #1 most wanted platform, #2 most loved platform, and #3 most broadly used platform!
  • The average salary for Docker-related software jobs in India ranges anywhere between 4,79,074 to Rs. 8,14,070 per year

After completing this course module with ClickOps Technologies, you should be able to understand:

  • Containerization Vs Virtualization
  • Learn the evolution of virtualization to containers
  • Understand the Docker Architecture
  • Perform Various actions using Docker CLI
  • Port Mapping & Volume Mapping of Container
  • Run containers in different modes
  • Write and build a Dockerfile to create a Docker Image
  • Connecting to different containers
  • Pushing the image to Docker Hub
  • Store data in Container Volumes for persistent storage
  • Setup Docker Compose
  • Deploy a multi-container application using Docker Compose
  • Deploy a Swarm Cluster
  • Customize the existing Docker image and create your own image out of it and run it as a container.
  • Deploy a node.js application within a container and create a own image out of the existing container.
  • Using Jenkins automate the process of creating a image and container out of that image and pushing it to the Dockerhub.
  • Write a Dockerfile to install packages like java1.8, netstat, vim, tree and setting up a working directory as /clickops followed by copying a tar file from localhost to the container and finally deploy clickops.html page using apache.
  • Run or Deploy java and mysql application as docker containers and linking the multiple docker containers using docker network.
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