In-Memory Adapter

Overview

The in-memory adapter stores events entirely in process memory. It requires no external dependencies or file paths — just set the type and start writing events.

Supported Features

Feature	Supported
Event Store	Yes
Read Model	—
Policy DLQ	—
Process Manager DLQ	—
Scheduling	—

When to Use

• Unit tests — Fast setup with no teardown needed. Each test run starts with a clean slate.
• Development — Rapid iteration without managing database files or connections.
• Prototyping — Validate domain logic before committing to a persistence strategy.

Note: All data is lost when the process restarts. Do not use this adapter for production workloads that require durability.

Configuration

import type { Config } from "@bounda-dev/config";

export default {
  domain: {
    order: {
      eventStore: { type: "in-memory" },
    },
  },
  read: {},
} satisfies Config;

The in-memory adapter accepts no additional options beyond type.

Related

• Adapters Overview — Comparison of all available adapters
• SQLite — Persistent alternative for local development
• Configuration Reference — Full config reference