Docker Essentials: Containerizing Apps for Beginners

Docker Essentials: Containerizing Apps for Beginners | Udemy
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Genre: eLearning

Master container basics, custom images, networking, and deployment workflows

What you’ll learn
Learn how Docker’s standardized environments solve the “works on my machine” problem.
Master Docker installation on Mac, Windows, or Linux for cross-platform compatibility.
Orchestrate multi-container workflows using Docker Compose for streamlined dev & testing.
Discover container isolation via Linux namespaces, cgroups, and ephemeral file systems.
Leverage volumes to persist data in MySQL or other apps without losing state on restart.
Explore Dockerfiles to build custom images with COPY, RUN, and CMD for tailor-made containers.
Avoid “golden image” pitfalls by using Dockerfiles to track and update changes cleanly.
Learn to isolate Java or Node.js apps without installing them locally, using official images.
Manage containers with the Docker CLI: list, stop, remove, or attach to any running container.
Map ports to expose web apps (Nginx, Spring Boot) and test them locally in a browser.
Create, inspect, and connect networks to let containers communicate or remain isolated.
Use Docker’s layered architecture to speed up builds, minimize storage, and share images.

Master Docker from the ground up in this comprehensive course designed for developers, DevOps engineers, and tech professionals preparing for technical interviews. With over 48 detailed lessons, you’ll transform from a Docker beginner to a confident practitioner who can effectively containerize applications and manage development workflows.

This course takes you on a journey from understanding core containerization concepts to implementing advanced Docker solutions. You’ll start with the fundamentals of why containers matter in modern software development, then progress through hands-on exercises that teach you how to create, manage, and deploy Docker containers like a pro.

Key areas covered include:

Creating and managing Docker containers and images

Building efficient Dockerfiles and understanding layer optimization

Implementing persistent storage and networking solutions

Deploying real-world applications using Docker

What sets this course apart is its practical, interview-focused approach. Each concept is explained with real-world examples and common interview scenarios, helping you build both practical skills and interview readiness. You’ll learn how to answer technical questions about Docker architecture, containerization benefits, and best practices – crucial knowledge for modern tech interviews.

The course includes extensive hands-on practice with:

Java and Spring Boot applications

Node.js environments

Database servers (MySQL)

Web servers (Nginx)

Multi-container applications

By the end of this course, you’ll have a solid foundation in Docker fundamentals, practical experience with real-world containerization scenarios, and the confidence to discuss Docker concepts in technical interviews. Whether you’re preparing for a DevOps role, a software engineering position, or looking to enhance your current development workflow, this course provides the knowledge and hands-on experience you need to succeed.

Join thousands of developers who have used this course to master Docker and advance their careers in modern software development and DevOps.

Who this course is for:
Developers seeking to containerize and streamline their application workflows
QA/Test engineers wanting consistent, reproducible environments
DevOps practitioners aiming to optimize CI/CD pipelines with containers
Anyone curious about Docker’s role in modern software deployment and orchestration

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