name = "your-worker-name"
main = "src/index.js"
compatibility_date = "2024-01-01"

[vars]
# Public environment variables (non-sensitive)
ENVIRONMENT = "development"
API_BASE_URL = "https://openrouter.ai/api/v1"

# For local development, you can also define secrets here
# but they'll be overridden by .dev.vars

# .dev.vars (for local development only)
OPENROUTER_API_KEY=your_actual_api_key_here

.dev.vars

# Set the secret for production
npx wrangler secret put OPENROUTER_API_KEY

# You'll be prompted to enter the key value

echo "your_actual_api_key" | npx wrangler secret put OPENROUTER_API_KEY

export default {
  async fetch(request, env, ctx) {
    // Access the API key from environment
    const apiKey = env.OPENROUTER_API_KEY;
    
    // Use it in your API calls
    const response = await fetch('https://openrouter.ai/api/v1/chat/completions', {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${apiKey}`,
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        // your request body
      })
    });
    
    return response;
  }
};

# wrangler.toml
[env.staging]
vars = { ENVIRONMENT = "staging" }

[env.production]
vars = { ENVIRONMENT = "production" }

# Deploy to staging
npx wrangler deploy --env staging

# Set secrets for specific environments
npx wrangler secret put OPENROUTER_API_KEY --env production

# List current secrets
npx wrangler secret list

# Delete a secret
npx wrangler secret delete OPENROUTER_API_KEY

[] ➜ sei-mcp-server git:(main) ✗ npx wrangler secret put OPENROUTER_API_KEY --env production

(node:23941) ExperimentalWarning: CommonJS module /Users/sauravverma/.nvm/versions/node/v23.3.0/lib/node_modules/npm/node_modules/debug/src/node.js is loading ES Module /Users/sauravverma/.nvm/versions/node/v23.3.0/lib/node_modules/npm/node_modules/supports-color/index.js using require(). Support for loading ES Module in require() is an experimental feature and might change at any time (Use node --trace-warnings ... to show where the warning was created)

⛅️ wrangler 4.20.5 ─────────────────── ✔ Enter a secret value: … ************************************************************************* 🌀 Creating the secret for the Worker "sei-mcp-server" ✨ Success! Uploaded secret OPENROUTER_API_KEY ➜ sei-mcp-server git:(main) ✗ npx wrangler secret list --env production

(node:23975) ExperimentalWarning: CommonJS module /Users/sauravverma/.nvm/versions/node/v23.3.0/lib/node_modules/npm/node_modules/debug/src/node.js is loading ES Module /Users/sauravverma/.nvm/versions/node/v23.3.0/lib/node_modules/npm/node_modules/supports-color/index.js using require(). Support for loading ES Module in require() is an experimental feature and might change at any time (Use node --trace-warnings ... to show where the warning was created) [ { "name": "OPENROUTER_API_KEY", "type": "secret_text" } ] ➜ sei-mcp-server git:(main) ✗ npx wrangler deploy --env production