# Config Docker Java

> Dockerfile multi-stage para backend Java (Spring Boot) em produção. Usar quando o pedido envolver container, docker-compose.prod ou deploy Java.

- Skill: `eskcti/config-docker-java` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add eskcti/config-docker-java`
- Raw SKILL.md: https://api.skillmd.com/api/skills/eskcti/config-docker-java/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: DevOps & Infra
- Author: EskCti (https://skillmd.com/u/eskcti)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/eskcti/config-docker-java

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# Config Docker (Java)

## Overview

Multi-stage: `eclipse-temurin:21-jdk` builder + `eclipse-temurin:21-jre-alpine` runtime. JAR via `./gradlew :apps:backend-java:bootJar`.

## Estrutura

```
project-root/
├── apps/backend-java/Dockerfile
├── docker-compose.prod.yml
└── .dockerignore
```

## Workflow

1. Builder: `./gradlew :apps:backend-java:bootJar --no-daemon`.
2. Runner: copiar JAR, `EXPOSE 4000`, `ENTRYPOINT java -jar`.
3. Validar `docker build -f apps/backend-java/Dockerfile .`.

## Global Standards

- Consultar `../skills-standards.md` seção **Java Stack Standards**.