Docker for Developers: Mastering Containerization

About Course

In today’s fast-paced development environment, understanding Docker has become essential for developers looking to streamline their workflows and improve application scalability. “Docker for Developers” is a comprehensive course designed to empower developers with the skills needed to effectively use Docker for building, deploying, and managing containerized applications, using real-world full-stack examples.

This course leverages a practical full-stack application that includes:

An invoice app built using a Spring Boot service.
A user interface built with React that interacts with the Spring Boot backend.
A PostgreSQL database to manage data storage.

You’ll learn how to:

Set up Docker and Docker Compose to containerize and orchestrate the full-stack application.
Build, manage, and deploy a Spring Boot backend, React frontend, and PostgreSQL database in containers.
Work with Docker networks, including bridge, host, and overlay networks, to enable communication between the backend, frontend, and database.
Manage Docker volumes to persist PostgreSQL data across container restarts.
Push and pull custom Docker images to Docker Hub for collaborative development.
Leverage Docker Swarm to orchestrate and scale your full-stack application in a distributed environment.

Through practical, hands-on exercises, you’ll gain the confidence to use Docker for developing and deploying full-stack applications, ensuring faster releases and seamless teamwork across your projects.

Docker Basics: Understand the core concepts of Docker, including images, containers, and Dockerfiles.
Full-Stack Application Containerization: Learn how to containerize a full-stack application that includes a Spring Boot backend, React frontend, and PostgreSQL database.
Docker Compose for Multi-Container Applications: Use Docker Compose to define and run multi-container applications, orchestrating your backend, frontend, and database services together.
Working with Docker Networks: Set up and manage Docker networks (bridge, host, overlay) to enable communication between different services in your application.
Managing Data with Docker Volumes: Persist PostgreSQL data across container restarts using Docker volumes, ensuring data integrity for your applications.
Building and Managing Docker Images: Create custom Docker images for your Spring Boot backend, React frontend, and PostgreSQL, and manage them effectively.
Pushing and Pulling Images to Docker Hub: Share your custom images on Docker Hub for collaborative development and deployment.
Docker Swarm for Orchestration: Leverage Docker Swarm to scale and manage containers in a distributed environment.
Health Checks and Monitoring: Implement health checks for your services to ensure they are running correctly and troubleshoot issues.
Deploying Full-Stack Applications in Production: Learn best practices for deploying containerized full-stack applications to production environments using Docker.

Course Content

Understanding Business Ecosystem

High Level Business View

04:29
Today’s Organisation Infrastructure Stack

02:48

Discussing Virtual Machines

Discussion on Containers – Understanding Why and What ?

Docker Architecture

Docker Desktop

Docker Fundamentals

Docker Images

Docker Networking in Depth

Docker Volumes in Depth

Docker Compose in Depth

Managing Docker Containers

Docker Swarm in Depth

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About Course

What Will You Learn?

Course Content

Understanding Business Ecosystem

High Level Business View

Today’s Organisation Infrastructure Stack

Discussing Virtual Machines

Understanding VMs and How VMs are Powering Organisation Infrastructure

VM – Understanding Challenge of Manual Dependencies Management

VMs – Dependencies Conflicts and Other Challenges

Discussion on Containers – Understanding Why and What ?

Introduction of Containers as Solution

Understanding Containers and VM vs Containers

Benefits of Conatinerization

Going through a Docker Containers Demo

Docker Architecture

Understanding Docker Architecture

Docker Desktop

Understanding Docker Desktop

Docker Fundamentals

Overview of Docker Objects

Exploring Multiple Docker Container Commands

Docker Images

Setting Up Fullstack Application stack and Postgres Docker Container

Running Fullstack – ReactApp, Spring Boot and Postgres in Docker Container

Creating Docker Images for Spring Boot based invoice-service

Running Spring Boot invoice-service and Postgres Container without Network – Problem

Deploying Spring Boot and Postgres Container Correctly using Bridge Network – Solution

Docker Networking in Depth

Docker Network Fundamentals

Understanding Bridge Network in Depth

Dockerizing React App and Running End to End Fullstack Applications

Understanding Host Network in Depth

Understanding None Network in Depth

Understanding Overlay and Macvlan Networking in Depth

Docker Volumes in Depth

Storage in Docker and Problem of No Storage Persistence in Containers

Understanding Docker Volumes in Depth

Understanding Docker Bind Mount in Depth

Docker Compose in Depth

Introduction of Docker Compose

Postgres Database with Docker Compose

Spring Boot invoice-service App with Docker Compose

React UI App with Docker Compose

Overriding Environment Variables in Docker Compose

Managing Docker Containers

Managing CPU and Memory Resources in Docker Container

Monitoring Docker Container Resources

Cleaning Up Unused Docker Objects

Pushing Docker Images to Docker Hub

Docker Swarm in Depth

Understanding Concepts of Docker Swarm

Creating Docker Swarm Services for Postgres, React UI and Spring Boot

Exploring Multiple Commands for Important Operations in Docker Swarm Services

Deploying Fullstack Apps in Docker Swarm Stack

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