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Homelab/Development/litellm/docker/README.md

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# Docker Development Guide
This guide provides instructions for building and running the LiteLLM application using Docker and Docker Compose.
## Prerequisites
- Docker
- Docker Compose
## Building and Running the Application
To build and run the application, you will use the `docker-compose.yml` file located in the root of the project. This file is configured to use the `Dockerfile.non_root` for a secure, non-root container environment.
### 1. Set the Master Key
The application requires a `MASTER_KEY` for signing and validating tokens. You must set this key as an environment variable before running the application.
Create a `.env` file in the root of the project and add the following line:
```
MASTER_KEY=your-secret-key
```
Replace `your-secret-key` with a strong, randomly generated secret.
### 2. Build and Run the Containers
Once you have set the `MASTER_KEY`, you can build and run the containers using the following command:
```bash
docker-compose up -d --build
```
This command will:
- Build the Docker image using `Dockerfile.non_root`.
- Start the `litellm`, `litellm_db`, and `prometheus` services in detached mode (`-d`).
- The `--build` flag ensures that the image is rebuilt if there are any changes to the Dockerfile or the application code.
### 3. Verifying the Application is Running
You can check the status of the running containers with the following command:
```bash
docker-compose ps
```
To view the logs of the `litellm` container, run:
```bash
docker-compose logs -f litellm
```
### 4. Stopping the Application
To stop the running containers, use the following command:
```bash
docker-compose down
```
## Troubleshooting
- **`build_admin_ui.sh: not found`**: This error can occur if the Docker build context is not set correctly. Ensure that you are running the `docker-compose` command from the root of the project.
- **`Master key is not initialized`**: This error means the `MASTER_key` environment variable is not set. Make sure you have created a `.env` file in the project root with the `MASTER_KEY` defined.