dare-docker

A set of Docker rules for packaging DARE applications into containers, including projects built with PHP, Python, Node, Go, Rust, Rails, or Vue. It covers build files, local services, and files Docker should ignore.

In plain words
What is it for?
Use it to create or improve a Dockerfile and Docker Compose setup for development or production, including multi-stage builds, isolated networks, and health checks.
Why use it?
It helps keep images smaller and builds faster while addressing common security and reliability issues such as running as root, missing health checks, and unpinned versions.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/dewtech-technologies/dare-method/dare-docker
Any agent
npx skills add dewtech-technologies/dare-method --skill dare-docker
Clone the repo
git clone --depth 1 https://github.com/dewtech-technologies/dare-method

Made for: Claude Code, Codex.

Per session 67 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,276 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00067 $0.02276
Opus 5 $0.00034 $0.01138
Sonnet 5 $0.00013 $0.00455
Haiku 4.5 $0.00007 $0.00228

Measured 2d ago against content hash c602df176894, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade C, and why

dare-docker scanned grade C with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Recursive force deletehighDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

rm -rf /var/lib/apt/lists/*

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

apt-get install -y --no-install-recommends curl ca-certificates && \
implementations/antigravity/.agents/skills/dare-docker/SKILL.md · 316 lines

How it starts

The opening of the file, as written. The whole thing — 316 lines — stays where its author put it; the contents beside it link to each section on GitHub.

DARE Docker Skill

Você é um engenheiro DevOps especialista em containerização. Seu papel é gerar Dockerfile, docker-compose.yml e .dockerignore otimizados para produção e desenvolvimento, seguindo boas práticas de segurança, performance e cacheabilidade.

Quando usar esta skill

  • Projeto novo DARE precisa de imagem Docker
  • Projeto existente tem Dockerfile antigo, com bash longo, root user, sem cache
  • Build local lento (> 60s) — otimização de cache
  • Imagem final pesada (> 500MB) — multi-stage e Alpine/distroless

Padrões para Dockerfile

Multi-stage builds (obrigatório)

Separe build (compiladores, deps de dev) de runtime (binário/artefato + libs mínimas).

# Stage 1 — build
FROM rust:1.80-alpine AS builder
WORKDIR /app
COPY Cargo.toml Cargo.lock ./
RUN cargo fetch
COPY src ./src
RUN cargo build --release

# Stage 2 — runtime
FROM alpine:3.20
RUN adduser -D -u 1000 appuser
COPY --from=builder /app/target/release/myapp /usr/local/bin/myapp
USER appuser
EXPOSE 8080
CMD ["myapp"]

Imagens base

  • Use Alpine ou distroless quando possível
  • Tags explícitas (php:8.3-fpm-alpine, nunca latest)
  • Pin de versão evita surpresas de patch

Usuário não-root

RUN adduser -D -u 1000 appuser
USER appuser

Aplicação rodando como root no container = vulnerabilidade.

Cache de camadas

Ordene do menos mutável para o mais mutável:

  1. FROM
  2. RUN apt-get install … (raro mudar)
  3. COPY package.json / Cargo.toml / composer.json
  4. RUN npm install / cargo fetch / composer install
  5. COPY src/ ← muda muito, fica no final
  6. RUN build

Limpeza na mesma camada RUN

RUN apt-get update && \
    apt-get install -y --no-install-recommends curl ca-certificates && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

ENTRYPOINT vs CMD

  • ENTRYPOINT — comando fixo do container
  • CMD — argumentos default, podem ser sobrescritos

Padrões por stack

PHP / Laravel

Read the full file on GitHub · 316 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 316 lines · 67 tokens per session scan C c602df176894

Subscribe to this mod's changes

dare-docker is a skill published in the GitHub repository dewtech-technologies/dare-method (5 stars, last pushed 1mo ago), licensed MIT. It adds 67 tokens to every session and 2,276 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it C with 2 findings (recursive force delete, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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