# Dockerization Task: Lightweight Bun + Hono Container

## 1. Objective
Create a production-ready `Dockerfile` and a `.dockerignore` file for the current Bun + Hono + SQLite application.

## 2. Performance & Resource Goals
- **Concurrency:** The container must comfortably handle simultaneous requests (4-5 concurrent connections is the baseline, but it should handle more efficiently). Rely on Bun's native asynchronous event loop.
- **Memory Footprint:** The image size and runtime memory usage must be **minimized**.
- **Security:** Do not run as root if possible, or ensure the environment is restricted.

## 3. Technical Requirements

### A. Base Image
- Use `oven/bun:1-alpine` as the base image.
- **Reason:** The Alpine variant is significantly smaller than the Debian-based default, satisfying the low-memory/storage requirement.

### B. Build Instructions
1.  **Environment:** Set `NODE_ENV=production`.
2.  **Dependencies:** Run `bun install --frozen-lockfile --production`. Do not install `devDependencies` (like types or test runners) to keep the image small.
3.  **Database Directory:** Create a dedicated directory for the SQLite database (e.g., `/app/data`).
4.  **Volume:** Declare a `VOLUME` for the database directory so data persists after container restarts.

### C. Runtime Configuration
1.  **Port:** Expose the port (usually 3000).
2.  **Command:** Use `bun run src/index.ts` (or the entry point file).
3.  **Binding:** Ensure the Hono app listens on `0.0.0.0` (not `127.0.0.1` or `localhost`), otherwise it will not be accessible outside the container.

### D. The `.dockerignore` file
Create a strict `.dockerignore` to prevent unnecessary files from increasing the build context size. Exclude:
- `node_modules`
- `*.db` (Local database files should not be copied into the image)
- `.git`
- `python-ref`
- `*.md`

## 4. Deliverables
Please generate the code for:
1.  `Dockerfile`
2.  `.dockerignore`