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What are secrets?

Secrets are encrypted environment variables that you access at runtime through ctx.env. Use them for API keys, database URLs, external service tokens, and any sensitive values.

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Configure secrets

You have three ways to configure secrets with the CLI:
Pass KEY=VALUE pairs directly:
jelou secrets set query-customer CRM_API_KEY=sk_test_EXAMPLE JELOU_API_KEY=jfn_pat_EXAMPLE
# ✓ Set 2 secrets
Keys must be UPPER_SNAKE_CASE (pattern: ^[A-Z][A-Z0-9_]*$).

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Access secrets in your function

Use ctx.env inside the handler:
index.ts
import { define, z } from "@jelou/functions";

export default define({
  name: "send-whatsapp",
  description: "Sends a WhatsApp message using the Jelou API",
  input: z.object({
    phone: z.string().min(10),
    message: z.string().min(1),
  }),
  handler: async (input, ctx) => {
    const apiKey = ctx.env.get("JELOU_API_KEY");
    const botId = ctx.env.get("BOT_ID");

    if (!apiKey) {
      ctx.log("Error: JELOU_API_KEY not configured");
      return { sent: false, error: "Missing API key" };
    }

    const res = await fetch("https://api.jelou.ai/v1/messages/send", {
      method: "POST",
      headers: {
        "Content-Type": "application/json",
        Authorization: `Bearer ${apiKey}`,
      },
      body: JSON.stringify({
        botId,
        phone: input.phone,
        message: input.message,
      }),
    });

    return { sent: res.ok, status: res.status };
  },
});

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ctx.env methods

MethodReturnsDescription
ctx.env.get("KEY")string | undefinedGets the value of a secret
ctx.env.has("KEY")booleanChecks if a secret exists
ctx.env.toObject()Record<string, string>Gets all secrets as an object

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Blocked variables

Internal platform variables with the __FN_ prefix are blocked. Calling ctx.env.get("__FN_COMPANY_ID") returns undefined.

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Local development

In local development, the jelou functions dev server loads secrets from your .env file:
.env
CRM_API_KEY=sk-test-local123
JELOU_API_KEY=jfn_pat_test_local
DATABASE_URL=postgres://localhost:5432/mydb
You can specify a different file: 
jelou functions dev --env .env.local
Never commit your .env file to the repository. jelou functions init adds it automatically to .gitignore.

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List and delete secrets

jelou secrets list query-customer
# ▸ Key              Updated
# ▸ CRM_API_KEY      2 hours ago
# ▸ JELOU_API_KEY    3 days ago

jelou secrets delete query-customer CRM_API_KEY
# ✓ Deleted CRM_API_KEY

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Secrets in CI/CD

In CI pipelines, use system environment variables to inject secrets:
deploy.yml
- name: Configure secrets and deploy
  env:
    JELOU_TOKEN: ${{ secrets.JELOU_TOKEN }}
  run: |
    jelou secrets set query-customer \
      CRM_API_KEY=${{ secrets.CRM_API_KEY }} \
      JELOU_API_KEY=${{ secrets.JELOU_API_KEY }}
    jelou functions deploy --no-confirm