dotenv

Load environment variables from .env files into Node.js process.env.

2|Updated Apr 11, 2026

Search Tags:#development #environment-variables #env #dotenv #node #secret-management

Ready to run

npx skills add https://github.com/PlazaCC/antes-da-tela --skill dotenv

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: dotenv
Source: https://github.com/PlazaCC/antes-da-tela/tree/main/.agents/skills/dotenv
Command: npx skills add https://github.com/PlazaCC/antes-da-tela --skill dotenv

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Load environment variables from a .env file into process.env for Node.js applications, preventing misconfigurations and accidental exposure of secrets.

Core Features & Use Cases

Parses and loads environment variables from .env files into the Node.js runtime.
Handles common gotchas like variable expansion and command substitution, enabling secure local development and reliable deployments.
Use Case: automatically configure API keys and database URLs by loading values from .env at startup.

Quick Start

Load a .env file at startup so process.env contains all required keys.

Frequently Asked Questions about dotenv

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I load environment variables from a .env file into Node.js?▼

Load environment variables from a .env file into Node.js by parsing the file contents at startup and populating process.env with the required keys, secrets, and API URLs. This prevents misconfigurations and accidental exposure.

Does dotenv support variable expansion and command substitution in .env files?▼

Variable expansion and command substitution are supported when parsing .env contents. This mechanism handles common configuration gotchas, enabling secure local development and reliable deployments across CI and staging environments.

What's the best way to manage secrets and API keys for local development?▼

Manage secrets and API keys for local development by storing them in a .env file and loading values at application startup. This automatically configures database URLs and prevents accidental secret exposure in the Node.js runtime.

Can I use environment variables consistently across local, CI, and staging environments?▼

Use environment variables consistently across local, CI, and staging by loading a .env file into process.env at startup. This wires secrets, API keys, and database URLs reliably across all deployment contexts without misconfiguration.

Why do I need to validate environment variable keys before deploying to production?▼

Validate environment variable keys before deploying to production to prevent runtime issues caused by missing or misconfigured secrets and database URLs. Key validation ensures required variables are present and correctly populated in process.env.