C# (.NET) and Docker: Containerization of Applications

The book "C# (.NET) and Docker: Containerization of Applications" is a practical guide for developers who want to master modern approaches to packaging, delivering, and running .NET applications using Docker. If you write in C# and face issues with environments, dependencies, or scaling, this book will be your navigator in the world of containerization.

What This Book Is About

The book sequentially covers the journey from creating a simple container for a console application to building complex multi-container architectures. You will learn how Docker changes the development and deployment process and how to apply these changes in projects on the .NET platform.

Main Topics

• Docker Basics for .NET Developers — images, containers, Dockerfile, docker-compose.
• Optimizing Docker Images — multi-stage builds, size reduction, layer caching.
• Working with .NET SDK and Runtime — proper environment setup for different .NET versions.
• Containerizing ASP.NET Core — web applications, APIs, port and HTTPS configuration.
• Microservices and Orchestration — linking multiple .NET services, load balancing, Docker Compose.
• Working with Databases — PostgreSQL, SQL Server, Redis in containers.
• CI/CD and Deployment — integration with GitHub Actions, Azure DevOps, publishing to Docker Hub.
• Security and Monitoring — isolation, secrets, logging.

Who This Book Is For

• C# developers who want to package their applications into containers.
• DevOps engineers working with the .NET ecosystem.
• Teams transitioning to a microservices architecture.
• Anyone who wants to standardize deployment and eliminate "it works on my machine" problems.

What You Will Learn

After reading, you will be able to independently create production-ready Docker images for any .NET applications, configure service-to-service interaction, manage versions, and automate deployment. You will understand how containerization accelerates development and simplifies project maintenance.

The book contains numerous code examples, ready-made Dockerfiles, and docker-compose.yaml scenarios. All examples are accompanied by explanations and best practices. Suitable for .NET versions 6, 7, 8, and above.

This is not just theory — it is a tool you can apply to your project today.