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gemini-cli/docs/get-started/installation.md

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# Gemini CLI installation, execution, and deployment
Install and run Gemini CLI. This document provides an overview of Gemini CLI's
installation methods and deployment architecture.
## How to install and/or run Gemini CLI
There are several ways to run Gemini CLI. The recommended option depends on how
you intend to use Gemini CLI.
- As a standard installation. This is the most straightforward method of using
Gemini CLI.
- In a sandbox. This method offers increased security and isolation.
- From the source. This is recommended for contributors to the project.
### 1. Standard installation (recommended for standard users)
This is the recommended way for end-users to install Gemini CLI. It involves
downloading the Gemini CLI package from the NPM registry.
- **Global install:**
```bash
npm install -g @google/gemini-cli
```
Then, run the CLI from anywhere:
```bash
gemini
```
- **NPX execution:**
```bash
# Execute the latest version from NPM without a global install
npx @google/gemini-cli
```
### 2. Run in a sandbox (Docker/Podman)
For security and isolation, Gemini CLI can be run inside a container. This is
the default way that the CLI executes tools that might have side effects.
- **Directly from the registry:** You can run the published sandbox image
directly. This is useful for environments where you only have Docker and want
to run the CLI.
```bash
# Run the published sandbox image
docker run --rm -it us-docker.pkg.dev/gemini-code-dev/gemini-cli/sandbox:0.1.1
```
- **Using the `--sandbox` flag:** If you have Gemini CLI installed locally
(using the standard installation described above), you can instruct it to run
inside the sandbox container.
```bash
gemini --sandbox -y -p "your prompt here"
```
### 3. Run from source (recommended for Gemini CLI contributors)
Contributors to the project will want to run the CLI directly from the source
code.
- **Development mode:** This method provides hot-reloading and is useful for
active development.
```bash
# From the root of the repository
npm run start
```
- **Production-like mode (linked package):** This method simulates a global
installation by linking your local package. It's useful for testing a local
build in a production workflow.
```bash
# Link the local cli package to your global node_modules
npm link packages/cli
# Now you can run your local version using the `gemini` command
gemini
```
---
### 4. Running the latest Gemini CLI commit from GitHub
You can run the most recently committed version of Gemini CLI directly from the
GitHub repository. This is useful for testing features still in development.
```bash
# Execute the CLI directly from the main branch on GitHub
npx https://github.com/google-gemini/gemini-cli
```
## Deployment architecture
The execution methods described above are made possible by the following
architectural components and processes:
**NPM packages**
Gemini CLI project is a monorepo that publishes two core packages to the NPM
registry:
- `@google/gemini-cli-core`: The backend, handling logic and tool execution.
- `@google/gemini-cli`: The user-facing frontend.
These packages are used when performing the standard installation and when
running Gemini CLI from the source.
**Build and packaging processes**
There are two distinct build processes used, depending on the distribution
channel:
- **NPM publication:** For publishing to the NPM registry, the TypeScript source
code in `@google/gemini-cli-core` and `@google/gemini-cli` is transpiled into
standard JavaScript using the TypeScript Compiler (`tsc`). The resulting
`dist/` directory is what gets published in the NPM package. This is a
standard approach for TypeScript libraries.
- **GitHub `npx` execution:** When running the latest version of Gemini CLI
directly from GitHub, a different process is triggered by the `prepare` script
in `package.json`. This script uses `esbuild` to bundle the entire application
and its dependencies into a single, self-contained JavaScript file. This
bundle is created on-the-fly on the user's machine and is not checked into the
repository.
**Docker sandbox image**
The Docker-based execution method is supported by the `gemini-cli-sandbox`
container image. This image is published to a container registry and contains a
pre-installed, global version of Gemini CLI.
## Release process
The release process is automated through GitHub Actions. The release workflow
performs the following actions:
1. Build the NPM packages using `tsc`.
2. Publish the NPM packages to the artifact registry.
3. Create GitHub releases with bundled assets.