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Container & Native Deployment (Spring Boot 3)

A skill that guides Claude in packaging Spring Boot 3 apps as hardened OCI images or GraalVM native executables.

Dev & CodingAdvanced★ 301⑂ 46AI score 9/10Last updated: Sep 21, 2026

What it does

Gives Claude concrete rules for packaging a Spring Boot 3 application as a container image or GraalVM native binary.

  • Prefers Cloud Native Buildpacks (build-image); keeps dependency and application layers separate for cache reuse
  • Non-root user, read-only filesystem, secrets injected at runtime only — never baked into layers
  • Distinct readiness/liveness/startup probes via Actuator, plus graceful shutdown alignment
  • Spring AOT with narrowly scoped RuntimeHints; native integration tests are mandatory
  • Supply-chain hygiene: SBOM generation, image scanning, digest-based promotion
  • Version-specific gotchas: jarmode=tools on Boot 3.3+ vs layertools on Boot 3.0–3.2

Who it's for

  • Backend engineers shipping Spring Boot 3 services to Kubernetes/ECS
  • Teams evaluating GraalVM native images to cut cold-start time
  • Anyone tired of AI-generated Dockerfiles that COPY a fat jar into a root container

Example uses

  1. "Write a multi-stage Dockerfile for our Boot 3.3 service" → builder stage extraction with jarmode=tools, layered copy, non-root runtime.
  2. "My native build fails on reflection" → suggests narrow RuntimeHints registration instead of blanket reflection config.
  3. "Review our health check setup" → moves dependency checks out of liveness into readiness/startup probes.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/rrezartprebreza/spring-boot-skills/HEAD/skills/spring-boot-3/container-native-deployment/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the skills/spring-boot-3/container-native-deployment folder from the GitHub repo rrezartprebreza/spring-boot-skills into my ~/.claude/skills/container-native-deployment/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/rrezartprebreza/spring-boot-skills.git && mkdir -p ~/.claude/skills && cp -r spring-boot-skills/skills/spring-boot-3/container-native-deployment ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Clone the repository: git clone https://github.com/rrezartprebreza/spring-boot-skills.git
  3. Create the skills directory: mkdir -p ~/.claude/skills
  4. Copy the whole folder so the examples/ files come along: cp -r spring-boot-skills/skills/spring-boot-3/container-native-deployment ~/.claude/skills/
  5. Restart Claude Code and confirm the skill shows up in your skills list.
  6. In a Spring Boot 3 project, ask something like "package this app as a container image" to trigger the skill.
View source on GitHub ↗License: MIT