PasteVault

An open-source, E2EE pastebin with a VS Code-like editor

<img width="2880" height="1634" alt="CleanShot 2025-09-02 at 13 59 55@2x" src="https://github.com/user-attachments/assets/221c0d5d-825a-4366-9ba0-685b71060549" />

Quickstart

A) One command (Node.js)

Requirements: Node.js 20.19+, 22.13+, or 24+ and npm.

npx pastevault up

B) Docker Compose (all-in-one)

Requirements: Docker and Docker Compose.

git clone https://github.com/arc53/pastevault.git
cd pastevault
docker compose -f docker-compose.all.yml up -d

• Frontend: http://localhost:3000
• Backend: http://localhost:3001

Shutdown:

docker compose -f docker-compose.all.yml down

Features

• End-to-end encryption (XChaCha20-Poly1305) with client-side key generation
• Zero-knowledge: decryption key kept in URL fragment (#), never sent to server
• Optional password mode (PBKDF2) and per-paste expiry/burn-after-read
• Markdown support with code syntax highlighting
• Simple REST API with validation and rate limiting
• SQLite (default) or PostgreSQL storage

Minimal configuration

Backend (.env):

DATABASE_URL=postgresql://pastevault:pastevault_dev_password@localhost:5432/pastevault
DATABASE_PROVIDER=postgresql
PORT=3001
CORS_ORIGIN=http://localhost:3000

Frontend (.env.local):

# Important: include /api at the end
NEXT_PUBLIC_API_URL=http://localhost:3001/api

License

GNU General Public License v3.0