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docker

Containerize .NET applications using multi-stage Dockerfiles and Docker Compose.

640|145|Updated Feb 20, 2026
Search Tags:#containerization#docker#dotnet#dockerfile#docker-compose#healthcheck#multi-stage
One-click install
npx skills add https://github.com/codewithmukesh/dotnet-claude-kit --skill docker-codewithmukesh
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: docker
Source: https://github.com/codewithmukesh/dotnet-claude-kit/tree/main/skills/docker
Command: npx skills add https://github.com/codewithmukesh/dotnet-claude-kit --skill docker-codewithmukesh

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provides clear, .NET-specific containerization guidance to produce secure, minimal, and reliable Docker images while avoiding common pitfalls that bloat images, run services as root, or break CI and local workflows.

Core Features & Use Cases

  • Multi-stage build patterns for separating SDK build steps from runtime images to minimize final image size.
  • Non-root runtime configuration and healthcheck guidance to improve security and reliability in production.
  • Layer caching and restore ordering recommendations to speed incremental builds and CI pipelines.
  • Docker Compose patterns for local development with service health checks and environment-based connection strings.
  • Use Case: Convert a .NET 10 Web API into a production-ready container with a multi-stage Dockerfile, an app health endpoint, and a Docker Compose stack that includes a database and cache with health checks.

Quick Start

Containerize your .NET API using a multi-stage Dockerfile, run it as a non-root user, add a /health endpoint, and use Docker Compose for local development with service health checks.

Frequently Asked Questions about docker

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I containerize a .NET 10 Web API using multi-stage Docker builds?▼

Containerize a .NET 10 Web API using multi-stage Docker builds by separating SDK build steps from runtime images to minimize final image size. This pattern produces secure, minimal containers while avoiding common pitfalls that bloat images or break CI workflows.

Why should my Dockerfile run .NET applications as a non-root user?▼

Running .NET applications as a non-root user in your Dockerfile improves security and reliability in production by preventing privilege escalation. This configuration aligns with container security best practices and protects your runtime environment.

What is the best way to optimize NuGet layer caching in a Dockerfile for .NET?▼

Optimize NuGet layer caching in a Dockerfile by ordering restore operations before copying source code, which speeds incremental builds and CI pipelines. This restore ordering ensures dependencies are cached and only invalidated when package references change.

Does Docker Compose work with .NET worker services and local development health checks?▼

Docker Compose works with .NET worker services and local development by orchestrating service health checks and environment-based connection strings. You can configure a local development stack that includes databases and caches with active health monitoring.

How do I add a HEALTHCHECK to a .NET Docker container?▼

Add a HEALTHCHECK to a .NET Docker container by configuring an app health endpoint in your Web API and referencing it in your Dockerfile. This healthcheck guidance improves reliability by allowing orchestration tools to monitor and restart unhealthy services automatically.

What are common pitfalls when building Docker images for .NET CI pipelines?▼

Common pitfalls when building Docker images for .NET CI pipelines include bloated images, running services as root, and breaking workflows due to poor layer caching. Using multi-stage builds and proper restore ordering prevents these issues and optimizes CI pipelines.

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