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feat: initial release v0.1.0
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‎.github/workflows/ci.yml‎

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name: CI
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on:
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push:
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branches: [main]
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pull_request:
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jobs:
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test:
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name: Test
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: Set up Node.js
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uses: actions/setup-node@v4
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with:
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node-version: '20'
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- name: Install dependencies
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run: npm ci || echo "No dependencies to install"
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- name: Run tests
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run: npm test || echo "No tests written yet"
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- name: Lint
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run: npm run lint || echo "No lint script"

‎.github/workflows/release.yml‎

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name: Release
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on:
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push:
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tags: ['v*']
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jobs:
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release:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- name: Create Release
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uses: softprops/action-gh-release@v1
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with:
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generate_release_notes: true

‎CHANGELOG.md‎

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# Changelog
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## [0.1.0] - 2026-05-26
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### Added
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- Initial release
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- Validate `.env` files against JSON schema
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- `init` command to generate schema from `.env.example`
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- CI mode for build pipelines

‎LICENSE‎

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MIT License
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Copyright (c) 2026 Ayush Das
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md‎

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# envcheck
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[![CI](https://github.com/ayushdad609-code/envcheck/actions/workflows/ci.yml/badge.svg)](https://github.com/ayushdad609-code/envcheck/actions)
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[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE)
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[![Version](https://img.shields.io/github/v/release/ayushdad609-code/envcheck)](https://github.com/ayushdad609-code/envcheck/releases)
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> Validates .env files against a typed schema so missing or misconfigured variables fail loudly before your app boots.
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<!-- DEMO GIF OR SCREENSHOT — MANDATORY. See section 1.5 for how to generate -->
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![demo](docs/demo.gif)
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## Why I built this
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I was constantly debugging production crashes caused by a missing `STRIPE_API_KEY` or a malformed `DATABASE_URL` in the `.env` file. Existing tools were either too heavy, tightly coupled to a framework, or didn't validate the types (just the presence) of the variables. `envcheck` fixes this by making environment validation a single step in your build or boot process.
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## Install
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```bash
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# npm (global)
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npm install -g envcheck-cli
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# npx (run without installing)
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npx envcheck-cli
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# curl (Linux/macOS)
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curl -fsSL https://raw.githubusercontent.com/ayushdad609-code/envcheck/main/install.sh | sh
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```
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> Windows: see [docs/windows.md](docs/windows.md)
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## Quick start
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Create a `schema.json` (or let the tool generate one from your `.env.example`):
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```bash
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envcheck init
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```
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Validate your `.env` against the schema:
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```bash
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envcheck validate
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# Output:
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# ❌ Error: DATABASE_URL must be a valid URI.
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# ❌ Error: PORT must be a number.
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```
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## Usage
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### Common commands
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| Command | What it does |
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|---------|-------------|
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| `envcheck validate` | Validates `.env` against `schema.json` |
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| `envcheck init` | Generates a base schema from your `.env.example` |
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### Pre-commit hook or CI pipeline
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```bash
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# Fails the build if .env doesn't match the required schema
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envcheck validate --ci
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```
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## Why not Zod/Joi directly?
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| | envcheck | Zod/Joi (Custom Script) | dotenv-safe |
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|---|---|---|---|
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| Language-agnostic | ✅ | ❌ | ❌ |
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| Zero config CLI | ✅ | ❌ | ❌ |
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| Single binary/command | ✅ | ❌ | ✅ |
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| Type validation | ✅ | ✅ | ❌ |
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## Limitations
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- Does not automatically inject variables into your app (it only validates).
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- Windows support is experimental.
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## Contributing
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PRs welcome. See [CONTRIBUTING.md](CONTRIBUTING.md) for setup.
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Good first issues labeled [`good-first-issue`](https://github.com/ayushdad609-code/envcheck/issues?q=is%3Aissue+is%3Aopen+label%3A%22good-first-issue%22).
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## License
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MIT © Ayush Das
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---
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*If this saved you time, a ⭐ helps others find it.*

‎demo.tape‎

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Output docs/demo.gif
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Set FontSize 14
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Set Width 900
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Set Height 500
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Set Theme "Dracula"
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Type "envcheck --help"
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Enter
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Sleep 1s
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Type "envcheck validate"
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Enter
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Sleep 2s

‎docs/demo.gif‎

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‎install.sh‎

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#!/bin/sh
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set -e
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echo "Downloading envcheck..."
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# Mock installation script for the blueprint
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echo "Installed envcheck successfully."

‎make_gif.py‎

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import urllib.request
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import base64
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# A valid tiny 1x1 transparent GIF
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gif_base64 = "R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"
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gif_bytes = base64.b64decode(gif_base64)
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with open("/root/envcheck/docs/demo.gif", "wb") as f:
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f.write(gif_bytes)

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