Docker

Getting Started

Topics

Docker architecture
Docker installation
Docker machine
Docker client
Docker images pulled and installed
Docker images in the Docker registry
Types of Docker images
Kitematic

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Download Lab Zip

Running Docker Apps

Topics

Run Linux (Alpine, Ubuntu, Fedora, etc.)
Run Helloworld apps
Docker containers
Run Web application with Port binding
Run Nginx, Tomcat with Port binding
Volume

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Docker Compose

Topics

Multi-container application
What is and Why Docker Compose?

Multi-Container Application

Many applications want to use services from other containers
Example scenarios
- Web application wants to use various database servers (Mongo, Redis, MySQL) as their database server

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Build Your Own Docker Apps

Topics

Build and run a simple Java SE application

Build and run Simple Java application as Docker app

Steps to take

Write Java code
Write a Dockerfile
- Dockerfile is a text file that contains all the commands that are used to assemble an image
Build Docker image from a Dockerfile
- docker build . -t
Run the image
- docker run
Push the image
- docker push

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Docker Volume

Topics

What is and Why volume (data volume)?
Add a volume
Mount host directory as a volume
Create a volume
Volume container
Backup, restore, and migrate volumes

What is and Why Volume?

Containers are ephemeral
- Once a container is removed, it is gone along with data it created
What about scenarios where you want the applications running inside the container to write to some files/data and then ensure that the data is still present even if the container is no longer runs or exists
- You are running an application that is generating data and it creates files or writes to a database and so on. Now, even if the container is removed and in the future you launch another container, you would like that data to still be there
Volumes are designed to persist data, independent of the container’s lifecycle
- Docker therefore never automatically deletes volumes when you remove a container, nor will it “garbage collect” volumes that are no longer referenced by a container

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I have attended the 5-day Java Programming code camp and it has been very helpful. The course content is very detailed including lot of examples and homework for each topic. Sang is very knowledgeable, also very patient in making sure everyone understands the content covered. He goes well and beyond the expectations. After taking the course, I feel confident now to take the Oracle Java Programmer certification exam. I am looking forward for 'Advanced Java Programming' code camp in future. I would definitely recommend jpassion to anyone.

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I am participated in the Java Programming - Learn Java for the first time (beginners) Code Camp and I have to mention that it is very well organized, contains very interesting exercises and home-works, and the way in which Mr. Sang explains everything is very great and effective specially by having the possibility to ask any question do you want. I am very eager to attend another Code Camps and also to read and learn from all these great materials. I am suggesting this website for everyone, beginners can consider it as an effective station to start from, and the experienced people can use it to review and refresh their knowledge..

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I had attended the 4 day training program on Java. The course agenda was clear and the presentations were easy to understand even for a novice in programming. Concepts were clearly explained with adequate hands on exercises. Above all as the name suggests "jpassion",Sang Shin teaches with so much passion, even if we could imbibe a quarter of it, we would be good programmers. Looking forward for many more.

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Bangalore

This was a superb class, fully stocked with examples and a good selection of source code explanation. High recommended.

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JPassion code camps - Fastest, easiest way to build real Java development skills. Perfect for those short on time, money to get what you need at the pace you need. Missing class is not an issue since all material including lectures is available for download. If you submit the homework exercises, you get a course certificate.

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I enjoy the books by Cay Horstmann such as core Java (volume 1 and 2) and Big Java.. I also like the Udemy classes on Java and Coursera and edX.. However, jPassion gives the direct live interaction with Professor Sang Shin that these other formats of learning don't do. In those other formats you can post a question but they may or may not answer it, and you have to wait for the answer. In jPassion Sang is very open to answering all types of questions even unrelated to the exact topic being discussed!! His material is quite in depth even when it's called Introduction or Beginner etc. It's also a great motivating factor to hear him live and try to wake up early and listen live. Thanks for these great teachings Sang..

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Docker

Getting Started

Topics

Download Course Content

Running Docker Apps

Topics

Download Course Content

Docker Compose

Topics

Multi-Container Application

Build Your Own Docker Apps

Topics

Build and run Simple Java application as Docker app

Steps to take

Docker Volume

Topics

What is and Why Volume?

Jpassion Courses