> ## Documentation Index
> Fetch the complete documentation index at: https://docs.phala.com/llms.txt
> Use this file to discover all available pages before exploring further.

# docker build

> Build a Docker image

<Note>
  This command is marked as unstable and may change in future releases.
</Note>

## Command: `phala docker build`

### Syntax

```
phala docker build [options]
```

### Description

Build a Docker image

### Options

| Option                | Description        |
| --------------------- | ------------------ |
| `-i, --image <value>` | Image name         |
| `-t, --tag <value>`   | Image tag          |
| `-f, --file <value>`  | Path to Dockerfile |

### Global Options

| Option                               | Description                                               |
| ------------------------------------ | --------------------------------------------------------- |
| `-h, --help`                         | Show help information for the current command             |
| `-v, --version`                      | Show CLI version                                          |
| `--api-token TOKEN, --api-key TOKEN` | API token for authenticating with Phala Cloud             |
| `-j, --json, --no-json`              | Output in JSON format                                     |
| `--interactive`                      | Enable interactive mode for commands that support it      |
| `--cvm-id <value>`                   | CVM identifier (UUID, app\_id, instance\_id, or name)     |
| `--profile PROFILE`                  | Temporarily use a different auth profile for this command |
| `--api-version <value>`              | API version to use (e.g. 2025-10-28, 2026-01-21)          |

### Examples

* Build docker image with prompts

```bash theme={"system"}
phala docker build
```

* Build docker image with options

```bash theme={"system"}
phala docker build --image myapp --tag latest
```