.gitignore Best Practices for Teams
How to manage .gitignore files in shared repositories — global vs local, IDE files, and secrets management.
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Tags: .gitignore best practices, team gitignore strategy, gitignore for monorepo
.gitignore Best Practices for Teams A .gitignore file that works for a solo project often fails a team. The same file needs to handle different developer environments, prevent secret leaks, and stay maintainable as the project grows. According to GitHub's research, malicious developers exploit accidentally committed secrets in 1 out of every 50 public repositories. --- What is The Two-Layer Model? Effective .gitignore management uses two layers: Layer 1: Project .gitignore (committed) Build output: , , Language artifacts: , , Project-specific secrets: (the file itself, not a template) CI/CD artifacts: coverage reports, test output Container volumes: Layer 2: Global .gitignore (per-developer) IDE files: , (personal settings), OS files: , , Personal credentials: , local SSH keys Set up the…
Frequently Asked Questions
How do I manage .gitignore in a team?
Commit project-specific patterns (build artifacts, language-specific files, project secrets templates) to the repository. Move developer-specific patterns (IDE files, OS metadata) to a personal global .gitignore at `~/.gitignore_global` so they don't pollute shared config.
What is a global .gitignore vs local?
A local .gitignore lives in the repository and applies to everyone on the team. A global .gitignore at `~/.gitignore_global` applies only to the individual developer's machine. Configure it with `git config --global core.excludesfile ~/.gitignore_global`.
How do I ignore secrets in Git?
Add `.env`, `.env.*`, `*.pem`, `*.key`, and `secrets/` to .gitignore before creating those files. If a secret is already committed, you must remove it from history with `git filter-repo` or BFG Repo Cleaner and rotate the credential — assuming it was exposed.
How do I handle IDE-specific files in .gitignore?
Move IDE files to your personal global .gitignore. Each developer uses different editors, and committing `.idea/`, `.vscode/`, or `*.suo` to the project .gitignore creates noise and forces updates when new editors are added. The exception: `.vscode/settings.json` for shared project settings — commit selectively.
What is .gitkeep?
`.gitkeep` is a community convention (not a Git feature) used to track empty directories. Git doesn't track empty directories, so placing a `.gitkeep` file inside ensures the directory structure is committed. Alternatively, add a `.gitignore` inside the empty directory that ignores everything except itself.
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