https://env.dev In-depth developer guides, cheatsheets, and references. Free tools and resources for developers. en-us Sun, 12 Apr 2026 12:17:41 GMT https://env.dev/guides/nextjs-env-variables How Next.js handles environment variables: .env files, NEXT_PUBLIC_ prefix, server vs client access, load order, and common production errors. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/nextjs-env-variables https://env.dev/guides/github-actions-secrets-env When to use repository secrets, environment secrets, and configuration variables in GitHub Actions. Includes workflow examples for Node.js, Python, and Docker. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/github-actions-secrets-env https://env.dev/guides/nodejs-env-variables How to use environment variables in Node.js. Covers process.env, dotenv, Node 20.6+ --env-file flag, NODE_ENV, type-safe validation with zod, and cross-platform support. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/nodejs-env-variables https://env.dev/guides/env-vars-security Why environment variables are not truly secure and what to do about it. Covers secret rotation, leak detection, client-side exposure risks, and when to use a dedicated secrets manager. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/env-vars-security https://env.dev/guides/go-env-variables How to read, set, and manage environment variables in Go. Covers os.Getenv, os.LookupEnv, godotenv, Viper, envconfig, build-time variables, and testing. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/go-env-variables https://env.dev/guides/jwt-best-practices Security best practices for JSON Web Tokens: algorithm selection, token storage, expiration, refresh patterns, revocation strategies, and common vulnerabilities to avoid. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/jwt-best-practices https://env.dev/guides/docker-env-variables How to use environment variables in Docker: ENV vs ARG in Dockerfile, docker run -e, --env-file, multi-stage builds, BuildKit secrets, and best practices. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/docker-env-variables https://env.dev/guides/vercel-env-variables How to configure environment variables on Vercel. Covers the dashboard, CLI (vercel env pull), system variables, per-environment settings, and Edge function access. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/vercel-env-variables https://env.dev/guides/env-file-syntax Definitive reference for .env file syntax: quoting rules, comments, multiline values, variable expansion, and differences across Node.js, Python, Ruby, Go, and Docker Compose. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/env-file-syntax https://env.dev/guides/kubernetes-env-variables How to configure environment variables in Kubernetes: inline env, ConfigMaps, Secrets, the downward API, and best practices for managing configuration at scale. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/kubernetes-env-variables https://env.dev/guides/aws-lambda-env-variables How to set and manage environment variables in AWS Lambda. Covers the console, CLI, SAM templates, CDK, Terraform, KMS encryption, and Secrets Manager integration. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/aws-lambda-env-variables https://env.dev/guides/python-env-variables How to read, set, and manage environment variables in Python. Covers os.environ, python-dotenv, Pydantic Settings, Django, and Flask patterns. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/python-env-variables https://env.dev/guides/sharing-env-files-securely Never commit .env files to Git. Compare secure sharing methods: 1Password CLI, Doppler, AWS Secrets Manager, HashiCorp Vault, and encrypted git with SOPS. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/sharing-env-files-securely https://env.dev/guides/terraform-variables Compare all three approaches to Terraform variables with code examples. Variable blocks, .tfvars files, TF_VAR_ environment variables, precedence, sensitive values, and validation. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/terraform-variables https://env.dev/guides/dotenv-not-loading Fix environment variables not loading from .env files. Covers Node.js, Python, Docker, file path issues, syntax errors, load order, and production gotchas. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/dotenv-not-loading https://env.dev/guides/typescript-generics Master TypeScript generics, constraints, utility types, mapped types, and conditional types with practical examples. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/typescript-generics https://env.dev/guides/rest-api-best-practices Design better REST APIs with best practices for naming, versioning, pagination, error handling, and HATEOAS. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/rest-api-best-practices https://env.dev/guides/ssh-keys-guide Learn how to generate SSH keys, configure ssh-agent, set up config files, tunnels, and ProxyJump for secure remote access. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/ssh-keys-guide https://env.dev/guides/docker-networking Understand Docker networking: bridge, host, overlay networks, port mapping, DNS resolution, and Docker Compose networking. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/docker-networking https://env.dev/guides/linux-file-permissions Master Linux file permissions including chmod, chown, umask, sticky bit, SUID/SGID, and Access Control Lists. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/linux-file-permissions https://env.dev/guides/nginx-configuration Configure Nginx for server blocks, reverse proxy, SSL termination, load balancing, and caching with practical examples. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/nginx-configuration https://env.dev/guides/git-branching-strategies Compare Git branching strategies: GitFlow, trunk-based development, GitHub Flow, and release branches. Choose the right workflow for your team. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/git-branching-strategies https://env.dev/guides/python-virtual-environments Manage Python environments with venv, pip, pyenv, Poetry, and conda. Learn requirements.txt, pyproject.toml, and environment best practices. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/python-virtual-environments https://env.dev/guides/https-tls-explained Understand HTTPS, TLS certificates, the TLS handshake, cipher suites, Let's Encrypt, and HSTS for secure web communication. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/https-tls-explained https://env.dev/guides/dns-explained Understand DNS record types, resolution process, caching, TTL values, and how to debug common DNS misconfigurations. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/dns-explained https://env.dev/guides/regex-patterns-cookbook A cookbook of common regex patterns for email, URL, IP address, phone number, and date validation with detailed explanations. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/regex-patterns-cookbook https://env.dev/guides/rate-limiting-strategies Implement rate limiting with token bucket, sliding window, fixed window, and Redis-based strategies. Includes code examples and API gateway patterns. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/guides/rate-limiting-strategies https://env.dev/cheatsheets/http-status-codes-cheat-sheet Every HTTP status code explained with practical examples. 1xx through 5xx with when to use each code in your API. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/http-status-codes-cheat-sheet https://env.dev/cheatsheets/cidr-cheat-sheet Complete CIDR reference table: every prefix from /8 to /32 with subnet mask, total addresses, usable hosts, and common use cases. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/cidr-cheat-sheet https://env.dev/cheatsheets/yaml-cheat-sheet Quick reference for YAML syntax: strings, numbers, multiline values, sequences, mappings, anchors, aliases, and common gotchas like the Norway problem. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/yaml-cheat-sheet https://env.dev/cheatsheets/json-cheat-sheet Quick reference for JSON syntax: data types, objects, arrays, JSON.parse/stringify, jq basics, and common mistakes like trailing commas and single quotes. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/json-cheat-sheet https://env.dev/cheatsheets/cron-examples-cheat-sheet Ready-to-use cron expressions for every common schedule: every 5 minutes, hourly, daily, weekly, monthly, and more. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/cron-examples-cheat-sheet https://env.dev/cheatsheets/python-cheat-sheet Python quick reference: data types, string methods, list/dict comprehensions, f-strings, file I/O, and common standard library modules. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/python-cheat-sheet https://env.dev/cheatsheets/javascript-cheat-sheet JavaScript ES6+ quick reference: destructuring, spread operator, arrow functions, array methods, promises, async/await, and modules. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/javascript-cheat-sheet https://env.dev/cheatsheets/typescript-cheat-sheet TypeScript quick reference: basic types, interfaces, generics, utility types, type guards, enums, and type assertions. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/typescript-cheat-sheet https://env.dev/cheatsheets/sql-cheat-sheet SQL quick reference: SELECT, JOINs, GROUP BY, subqueries, window functions, indexes, and data manipulation commands. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/sql-cheat-sheet https://env.dev/cheatsheets/go-cheat-sheet Go quick reference: types, structs, interfaces, goroutines, channels, error handling, slices, maps, and defer/panic/recover. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/go-cheat-sheet https://env.dev/cheatsheets/rust-cheat-sheet Rust quick reference: ownership, borrowing, lifetimes, traits, enums, pattern matching, Result/Option, and common macros. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/rust-cheat-sheet https://env.dev/cheatsheets/css-cheat-sheet CSS quick reference: Flexbox, Grid, selectors, units, CSS variables, media queries, and transitions. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/css-cheat-sheet https://env.dev/cheatsheets/linux-cheat-sheet Linux commands quick reference: file management, process control, networking, permissions, systemd, and disk usage. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/linux-cheat-sheet https://env.dev/cheatsheets/aws-cli-cheat-sheet AWS CLI quick reference: EC2, S3, IAM, Lambda, and CloudFormation common commands with examples. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/aws-cli-cheat-sheet https://env.dev/cheatsheets/markdown-cheat-sheet Markdown syntax quick reference: headings, links, images, lists, code blocks, tables, and GitHub Flavored Markdown extensions. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/markdown-cheat-sheet https://env.dev/cheatsheets/vim-cheat-sheet Vim quick reference: modes, navigation, editing, search/replace, visual mode, registers, macros, and window management. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/vim-cheat-sheet https://env.dev/cheatsheets/mysql-cheat-sheet MySQL quick reference: data types, CRUD operations, JOINs, indexes, user management, backup/restore, and common functions. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/cheatsheets/mysql-cheat-sheet https://env.dev/comparisons/rest-vs-graphql Compare REST and GraphQL APIs side by side. Understand the trade-offs in performance, flexibility, caching, and developer experience to choose the right approach. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/comparisons/rest-vs-graphql https://env.dev/comparisons/docker-vs-kubernetes Understand the difference between Docker and Kubernetes. Docker builds and runs containers; Kubernetes orchestrates them at scale. Learn when to use each. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/comparisons/docker-vs-kubernetes https://env.dev/comparisons/npm-vs-yarn-vs-pnpm Compare npm, yarn, and pnpm package managers. Benchmark install speed, disk usage, lockfile format, and monorepo support to pick the best one for your project. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/comparisons/npm-vs-yarn-vs-pnpm https://env.dev/comparisons/postgresql-vs-mysql Compare PostgreSQL and MySQL databases. Analyze performance, features, JSON support, replication, and ecosystem to choose the right database for your project. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/comparisons/postgresql-vs-mysql https://env.dev/comparisons/redis-vs-memcached Compare Redis and Memcached for caching. Evaluate data structures, persistence, clustering, and use cases to pick the right in-memory store. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/comparisons/redis-vs-memcached https://env.dev/comparisons/nginx-vs-apache Compare Nginx and Apache web servers. Evaluate performance, configuration, modules, reverse proxy capabilities, and resource usage. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/comparisons/nginx-vs-apache https://env.dev/comparisons/sql-vs-nosql Compare SQL and NoSQL databases. Understand relational vs document/key-value/graph models, consistency guarantees, scalability, and when to use each. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/comparisons/sql-vs-nosql https://env.dev/comparisons/typescript-vs-javascript Compare TypeScript and JavaScript. Evaluate type safety, developer experience, build tooling, ecosystem support, and migration strategies. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/comparisons/typescript-vs-javascript https://env.dev/comparisons/git-merge-vs-rebase Compare git merge and git rebase strategies. Understand how each affects commit history, when to use which, and best practices for team workflows. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/comparisons/git-merge-vs-rebase https://env.dev/comparisons/vite-vs-webpack Compare Vite and Webpack build tools. Evaluate dev server speed, build performance, configuration complexity, plugin ecosystems, and migration paths. Sun, 12 Apr 2026 00:00:00 GMT https://env.dev/comparisons/vite-vs-webpack https://env.dev/guides/neovim-lua Master Neovim Lua scripting: the vim.* namespace, vim.opt options, vim.fn.jobstart with environment variables, vim.system, autocommands, keymaps, user commands, vim.uv async I/O, and practical recipes for your init.lua config. Thu, 02 Apr 2026 00:00:00 GMT https://env.dev/guides/neovim-lua https://env.dev/guides/graphql-guide Master GraphQL from scratch: schema design with SDL, queries, mutations, subscriptions, resolvers, the N+1 problem with DataLoader, cursor-based pagination, error handling, security hardening, and the Apollo/Relay ecosystem. Mon, 23 Mar 2026 00:00:00 GMT https://env.dev/guides/graphql-guide https://env.dev/guides/websockets-guide Master WebSockets: the RFC 6455 protocol, handshake, browser API, server implementations in Node.js, Python, and Go, reconnection strategies, heartbeats, security best practices, pub/sub patterns, and scaling in production. Thu, 19 Mar 2026 00:00:00 GMT https://env.dev/guides/websockets-guide https://env.dev/guides/server-sent-events Master Server-Sent Events (SSE): wire format, EventSource API, Node.js TypeScript implementation, auto-reconnection, HTTP/2 multiplexing, and a detailed comparison with WebSockets. Thu, 19 Mar 2026 00:00:00 GMT https://env.dev/guides/server-sent-events https://env.dev/cheatsheets/nginx-cheat-sheet Quick reference for Nginx: service management, server blocks, reverse proxy, load balancing, SSL/TLS, location matching, logging, and performance tuning. Thu, 19 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/nginx-cheat-sheet https://env.dev/cheatsheets/tmux-cheat-sheet Quick reference for tmux: sessions, windows, panes, copy mode, resizing, synchronize panes, configuration, and keybindings. Thu, 19 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/tmux-cheat-sheet https://env.dev/cheatsheets/bash-scripting-cheat-sheet Quick reference for Bash scripting: variables, parameter expansion, conditionals, loops, functions, arrays, redirection, error handling, and strict mode. Thu, 19 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/bash-scripting-cheat-sheet https://env.dev/cheatsheets/curl-cheat-sheet Quick reference for curl: GET/POST requests, headers, cookies, authentication, file uploads and downloads, debugging, TLS, proxies, and scripting patterns. Thu, 19 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/curl-cheat-sheet https://env.dev/cheatsheets/jq-cheat-sheet Quick reference for jq: basic filters, pipes, selectors, string operations, array and object manipulation, reduce, path expressions, output formatting, and passing variables. Tue, 17 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/jq-cheat-sheet https://env.dev/guides/dark-factory-pattern-part-5 Harden your dark factory with defense in depth, OS-level sandboxing, secrets protection, supply chain lockdown, audit trails, and governance policies. Covers the OWASP Agentic Top 10, permission deny rules, hooks, prompt injection defense, and a production-ready settings.json. Mon, 16 Mar 2026 00:00:00 GMT https://env.dev/guides/dark-factory-pattern-part-5 https://env.dev/guides/github-actions-guide Master GitHub Actions CI/CD: workflow syntax, triggers, matrix builds, reusable workflows, composite actions, caching, secrets, security hardening, and performance optimization. Sat, 14 Mar 2026 00:00:00 GMT https://env.dev/guides/github-actions-guide https://env.dev/cheatsheets/github-actions-cheat-sheet Quick reference for GitHub Actions CI/CD: workflow syntax, triggers, jobs, matrix strategies, secrets, caching, artifacts, reusable workflows, and essential actions. Sat, 14 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/github-actions-cheat-sheet https://env.dev/guides/git-getting-started Learn Git from scratch: cloning, branching, committing, pushing, pull requests, handling conflicts, and using VS Code and GitHub Desktop. A beginner-friendly visual guide to version control. Fri, 13 Mar 2026 00:00:00 GMT https://env.dev/guides/git-getting-started https://env.dev/guides/postgresql-vs-mongodb A no-nonsense comparison of PostgreSQL and MongoDB. When to choose which, why PostgreSQL wins for 95% of projects, JSONB vs documents and hosting options with free tiers. Thu, 12 Mar 2026 00:00:00 GMT https://env.dev/guides/postgresql-vs-mongodb https://env.dev/guides/cors-guide Everything you need to know about CORS: headers, preflight requests, credentialed requests, debugging techniques, third-party scripts (Google Ads, Cloudflare, PostHog), and framework setup for Next.js and TanStack Start. Thu, 12 Mar 2026 00:00:00 GMT https://env.dev/guides/cors-guide https://env.dev/cheatsheets/postgresql-cheat-sheet Comprehensive PostgreSQL reference: CRUD, JOINs with visual diagrams, subquery vs JOIN vs CTE alternatives, window functions, indexing, JSONB, transactions, and performance tuning. Thu, 12 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/postgresql-cheat-sheet https://env.dev/guides/dark-factory-pattern-part-4 Scale your dark factory with multi-agent orchestration, cost control, and production observability. Covers git worktrees, Agent Teams, model routing, budget gates, circuit breakers, and the economics of autonomous development. Wed, 11 Mar 2026 00:00:00 GMT https://env.dev/guides/dark-factory-pattern-part-4 https://env.dev/cheatsheets/terraform-cheat-sheet Quick reference for Terraform CLI commands, HCL configuration syntax, state management, workspaces, expressions, and built-in functions. Wed, 11 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/terraform-cheat-sheet https://env.dev/cheatsheets/kubernetes-cheat-sheet Quick reference for kubectl: contexts, core resources, pod operations, deployments, scaling, debugging, ConfigMaps, and Secrets. Tue, 10 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/kubernetes-cheat-sheet https://env.dev/guides/dark-factory-pattern-part-3 Master spec-driven development: write precise specifications, implement holdout scenarios as quality gates, build evaluation pipelines, and transition from human code review to automated auto-merge. Mon, 09 Mar 2026 00:00:00 GMT https://env.dev/guides/dark-factory-pattern-part-3 https://env.dev/cheatsheets/ssh-cheat-sheet Quick reference for SSH: connecting, key generation, agent, port forwarding, jump hosts, SCP, SFTP, config file, and permissions. Mon, 09 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/ssh-cheat-sheet https://env.dev/guides/dev-containers Everything you need to know about Dev Containers: devcontainer.json, Features, lifecycle scripts, Docker Compose integration, the CLI, performance optimization, security hardening, and common gotchas. Sun, 08 Mar 2026 00:00:00 GMT https://env.dev/guides/dev-containers https://env.dev/guides/dark-factory-pattern-part-2 Hands-on guide to setting up your coding agent, writing a production-grade AGENTS.md, decomposing tasks for AI delegation, and building feedback loops that improve agent output over time. Sat, 07 Mar 2026 00:00:00 GMT https://env.dev/guides/dark-factory-pattern-part-2 https://env.dev/guides/dark-factory-pattern A practical playbook for reaching fully autonomous AI-driven development. Covers all six levels (0-5) from manual coding to the dark factory, with concrete actions, examples, and buildable artifacts at every step. Thu, 05 Mar 2026 00:00:00 GMT https://env.dev/guides/dark-factory-pattern https://env.dev/guides/neovim Master Neovim: modes, motions, text objects, registers, LSP, Tree-sitter, Lua configuration, and essential plugins. Thu, 05 Mar 2026 00:00:00 GMT https://env.dev/guides/neovim https://env.dev/cheatsheets/neovim-cheat-sheet Essential Neovim commands and keybindings: modes, navigation, editing, text objects, search, windows, buffers, macros, and more. Thu, 05 Mar 2026 00:00:00 GMT https://env.dev/cheatsheets/neovim-cheat-sheet https://env.dev/guides/docker-compose-env-variables How to use environment variables in Docker Compose: .env files, env_file directive, --env-file flag, multiple environments, variable substitution, and secrets management. Sat, 28 Feb 2026 00:00:00 GMT https://env.dev/guides/docker-compose-env-variables https://env.dev/guides/dotenv Everything you need to know about .env files: syntax, usage across languages, best practices, and common pitfalls. Fri, 27 Feb 2026 00:00:00 GMT https://env.dev/guides/dotenv https://env.dev/guides/cron-expression-guide Master cron expressions: field breakdown, special characters, and common schedule examples. Thu, 26 Feb 2026 00:00:00 GMT https://env.dev/guides/cron-expression-guide https://env.dev/guides/unix-timestamps-explained What epoch time is, why it is used, the Y2K38 problem, and how to convert in different languages. Thu, 26 Feb 2026 00:00:00 GMT https://env.dev/guides/unix-timestamps-explained https://env.dev/guides/base64-encoding-explained Understand Base64 encoding: how the algorithm works, when to use it, and what padding means. Thu, 26 Feb 2026 00:00:00 GMT https://env.dev/guides/base64-encoding-explained https://env.dev/guides/what-is-jwt Learn how JSON Web Tokens work, their structure, use cases, and common pitfalls. Thu, 26 Feb 2026 00:00:00 GMT https://env.dev/guides/what-is-jwt https://env.dev/cheatsheets/regex-cheat-sheet A quick-reference guide to regular expression syntax: patterns, quantifiers, groups, and examples. Thu, 26 Feb 2026 00:00:00 GMT https://env.dev/cheatsheets/regex-cheat-sheet https://env.dev/cheatsheets/git-cheat-sheet Essential Git commands: how to undo the last commit, resolve merge conflicts, rebase branches, squash commits, and one-liners you always forget. Thu, 26 Feb 2026 00:00:00 GMT https://env.dev/cheatsheets/git-cheat-sheet https://env.dev/cheatsheets/docker-cheat-sheet Quick reference for Docker CLI: containers, images, volumes, networking, and Docker Compose. Thu, 26 Feb 2026 00:00:00 GMT https://env.dev/cheatsheets/docker-cheat-sheet