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Cheatsheets

Quick-reference docs for the tools and workflows that matter most when shipping code.

Containers

Docker, Compose, Kubernetes — quick refs for shipping containers.

Docker

Essential Docker commands for shipping web apps — containers, images, multi-stage builds, Compose, and deployment patterns that survive production.

PHP

PHP CLI tools, Composer, frameworks.

Composer

Composer reference for PHP deploys — production install flags, lockfile discipline, vendor caching in CI, audit gates, and private package auth.

WP-CLI

WP-CLI reference for WordPress deploys — search-replace URL migrations, db export pre-deploy, plugin updates from CI, and cache flush post-release.

DevOps

Git, CI, shell, ops tools.

SSH

Essential SSH commands for servers, keys, tunnels, and deploys — including deploy-key patterns, ssh-agent forwarding, and key-rotation playbooks.

Claude Code

Claude Code commands, hooks, and MCP setup with deployment recipes — Dockerfile generation, CI debugging, SSH config drafting, rollback plans.

curl

Essential curl commands for HTTP requests, deploy webhooks, post-deploy smoke tests, healthcheck loops, and `--fail` discipline in CI pipelines.

Bash

Bash scripting reference for deploy hooks — variables, conditionals, arrays, traps, `set -euo pipefail`, lockfiles, and idempotent file ops.

rsync

rsync reference for deploy workflows — atomic releases, exclude patterns, `--delete` safety, restartable transfers over SSH, and bandwidth caps.

Cron

Cron and crontab reference — schedule syntax, special strings, per-deploy crontab management, flock locks, log capture, and systemd timer alternatives.