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Dev: add claude and command for generate versions
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‎.claude/commands/versions.md‎

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---
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description: Update Node.js version information in README.md
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---
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Run the `.scripts/versions.sh` script to collect Node.js, npm, and pnpm versions from all Docker images, then update the README.md file with the collected version information.
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Steps:
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1. Run `.scripts/versions.sh --no-build` to collect versions from existing images
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2. Parse the output (format: `version|node_version|npm_version|pnpm_version`)
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3. Update the NodeJS table in README.md with the actual version numbers
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4. Keep the same table structure with columns: NodeJS | OS | Tag | Node Version | npm Version | pnpm Version | Dockerfile
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5. For versions with data, show the actual versions (e.g., `NodeJS 24 (v22.16.0) | Alpine v3.22 | node24 | v22.16.0 | 11.4.2 | 10.9.0`)
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6. For versions without data (N/A), keep them with dash placeholders (e.g., `NodeJS 14 | Alpine v3.12 | node14 | - | - | -`)
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7. Show a summary of what was updated
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Important: Only update versions 15-24 in the table, leave versions 10-14 as they are with dashes.

‎.claude/settings.local.json‎

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{
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"permissions": {
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"allow": [
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"Bash(mkdir:*)",
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"Bash(make:*)",
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"Bash(docker:*)",
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"Bash(chmod:*)",
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"Bash(.scripts/versions.sh:*)"
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],
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"deny": [],
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"ask": []
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}
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}

‎.scripts/versions.sh‎

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#!/bin/bash
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# Script to collect Node.js and npm versions from Docker images
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# Usage: .scripts/versions.sh [--no-build]
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#
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# Options:
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# --no-build Skip building images that don't exist locally
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set -e
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DOCKER_IMAGE="dockette/ci"
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BUILD_MISSING=true
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# Parse arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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--no-build)
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BUILD_MISSING=false
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shift
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;;
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*)
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echo "Unknown option: $1"
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echo "Usage: $0 [--no-build]"
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exit 1
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;;
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esac
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done
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# Array of node versions to check
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NODE_VERSIONS=(15 16 17 18 19 20 21 22 23 24)
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# Detect platform
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PLATFORM=$(uname -m)
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if [ "$PLATFORM" = "arm64" ] || [ "$PLATFORM" = "aarch64" ]; then
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DOCKER_PLATFORM="linux/arm64"
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else
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DOCKER_PLATFORM="linux/amd64"
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fi
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echo "Collecting Node.js and npm versions..." >&2
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echo "Platform: ${DOCKER_PLATFORM}" >&2
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echo "Auto-build missing images: ${BUILD_MISSING}" >&2
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echo "========================================" >&2
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echo "" >&2
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for version in "${NODE_VERSIONS[@]}"; do
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tag="node${version}"
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echo "Checking ${DOCKER_IMAGE}:${tag}..." >&2
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# Check if image exists locally
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if ! docker image inspect "${DOCKER_IMAGE}:${tag}" &> /dev/null; then
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if [ "$BUILD_MISSING" = true ]; then
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echo " Image not found. Building..." >&2
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if [ -d "${tag}" ]; then
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docker buildx build --platform "${DOCKER_PLATFORM}" --load -t "${DOCKER_IMAGE}:${tag}" "./${tag}" >&2
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echo " Build complete!" >&2
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else
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echo " Directory ${tag} not found. Skipping..." >&2
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echo "${version}|N/A|N/A|N/A"
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continue
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fi
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else
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echo " Image not found locally. Skipping..." >&2
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echo " Run: make build-${tag} DOCKER_PLATFORM=${DOCKER_PLATFORM} to build this image" >&2
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echo "" >&2
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echo "${version}|N/A|N/A|N/A"
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continue
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fi
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fi
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# Get Node.js version
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node_version=$(docker run --rm "${DOCKER_IMAGE}:${tag}" node --version 2>/dev/null || echo "N/A")
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# Get npm version
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npm_version=$(docker run --rm "${DOCKER_IMAGE}:${tag}" npm --version 2>/dev/null || echo "N/A")
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# Get pnpm version (if available)
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pnpm_version=$(docker run --rm "${DOCKER_IMAGE}:${tag}" pnpm --version 2>/dev/null || echo "N/A")
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echo " Node.js: ${node_version}" >&2
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echo " npm: ${npm_version}" >&2
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echo " pnpm: ${pnpm_version}" >&2
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echo "" >&2
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# Output to stdout
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echo "${version}|${node_version}|${npm_version}|${pnpm_version}"
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done
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echo "========================================" >&2
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echo "Version collection complete!" >&2

‎CLAUDE.md‎

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# Docker Build Platform Notes
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## Building for Multiple Platforms
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When building Docker images, it's important to consider the target platform architecture.
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### Default Platform in Makefile
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The Makefile currently defaults to `linux/amd64`:
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```makefile
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DOCKER_PLATFORM?=linux/amd64
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```
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### Building for ARM64 (Apple Silicon)
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If you're on an ARM64 system (Apple Silicon Macs), you should override the platform:
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```bash
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make build-node24 DOCKER_PLATFORM=linux/arm64
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```
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Or export it as an environment variable:
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```bash
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export DOCKER_PLATFORM=linux/arm64
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make build-node24
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```
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### Building for AMD64 (Intel/x86_64)
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For Intel-based systems or when building for AMD64 servers:
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```bash
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make build-node24 DOCKER_PLATFORM=linux/amd64
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```
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### Building for Both Platforms
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To build multi-platform images (for pushing to Docker Hub):
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```bash
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docker buildx build \
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--platform linux/amd64,linux/arm64 \
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--pull \
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--push \
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-t dockette/ci:node24 \
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./node24
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```
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**Note**: Multi-platform builds with `--push` require pushing to a registry. For local builds, use `--load` with a single platform.
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### Quick Local Build
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For quick local testing, you can use `--load` with your native platform:
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```bash
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# Detects your platform automatically
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docker buildx build --load -t dockette/ci:node24 ./node24
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```
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## Platform Detection
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To check your current platform:
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```bash
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uname -m # arm64 or x86_64
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docker version --format '{{.Server.Arch}}' # aarch64 or x86_64
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```

‎Makefile‎

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build-node20: _docker-build-node20
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build-node21: _docker-build-node21
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build-node22: _docker-build-node22
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build-node23: _docker-build-node23
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build-node24: _docker-build-node24
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build-ansitest: _docker-build-ansitest

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