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Dotnet Dockerfile

Checked
jkappers·vlatest·backend

Generates optimized .NET Core Dockerfiles for seamless application deployment and consistent environments across development & production.

Repository

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add jkappers/agent-skills --skill dotnet-dockerfile -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

jkappers

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

    No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.

  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

    No pipe-to-shell or download-and-run installers.

    No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.

  • Pinned to a commit: passed

    Scanned jkappers/agent-skills at 9fce9393c3.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
9fce9393c3
Manifest
skills/dotnet-dockerfile/SKILL.md
Scanned
1 file, 230 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
What each check looks for →

About this skill

What it does

This skill generates optimized, multi-stage Dockerfiles for .NET applications. It determines the appropriate .NET version (8, 9, or 10) and project type (ASP.NET Core web app, API, worker service, or console app), then creates a Dockerfile tailored to your application's needs. You can choose between standard, "chiseled" (smaller image size), or Native AOT (smallest/fastest startup) optimization options for deployment. Note that .NET 10 uses Ubuntu as the default Linux distribution.

When to use it

  • Creating Docker images for ASP.NET Core web applications, APIs, worker services, and console apps.
  • Generating production-ready Dockerfiles with a smaller footprint using "chiseled" or Native AOT optimizations.
  • Ensuring consistent environments across development, testing, and production deployments.
  • Deploying .NET applications to containerized environments like Azure.

Key capabilities

  • Automatically determines the .NET version (8, 9, or 10).
  • Supports ASP.NET Core web apps, APIs, worker services, and console app project types.
  • Generates multi-stage Dockerfiles for optimized image size and performance.
  • Offers optimization choices: standard, chiseled, and Native AOT.
  • Handles multi-project solutions by copying multiple .csproj files during the restore phase.
  • Supports self-contained deployments which bundle the .NET runtime with the application.

Example prompts

  • "Generate a Dockerfile for my ASP.NET Core web app project located at src/MyApp/MyApp.csproj."
  • "Create a chiseled Dockerfile for my API project, using .NET 9."
  • "Generate a self-contained Dockerfile for my console application."

Tips & gotchas

  • The skill requires the location of your project file (e.g., src/MyApp/MyApp.csproj).
  • .NET 10 uses Ubuntu as the default Linux distribution, replacing previous Debian images.
  • "Chiseled" images are recommended for production environments due to their smaller size and security benefits (no shell or package manager, non-root user).