README.md

Metropolis VIA Microservice Workflows

Each directory contains steps to get started with a reference workflow.

• VIA Summarization Examples
• Agentic RAG with Morpheus, RIVA and VIA Microservices

VIA Microservice Architecture

Prerequisites

Follow the below steps to get the required API keys.

1. Clone the repository

git clone https://github.com/NVIDIA/metropolis-nim-workflows

2. Generate NVIDIA API Key

Log in to https://build.nvidia.com/explore/discover.

You can get an API Key by selecting any of the available NIMs (for example https://build.nvidia.com/meta/llama3-70b). Then in the example code section, click on "Get API Key" then "Generate Key".

You will then see your API Key that will look something like "nvapi-xxx-xxxxxxxx_xxxxxxxxxxxxxxxx_xxxxxxxxxxx-xxxxxxx-xxxxxxxxxxxxxx".

Store the generated API Key securely for future use.

3. OpenAI Key (for GPT-4o VLM)

• Login at: https://platform.openai.com/apps
• Select: API
• Create a new API key for your project at: https://platform.openai.com/api-keys
• Store the generated API Key securely for future use.

4. NGC Key (for VITA 2.0 VLM)

Follow the steps in https://docs.nvidia.com/ngc/gpu-cloud/ngc-user-guide/index.html#generating-api-key to obtain the required NGC API Key.

5. Download VIA Container Image

• Login to the NVIDIA Container Repository using your NGC API Key

docker login nvcr.io -u ‘$oauthtoken’ -p <NGC_API_KEY>

• Pull the docker image

docker pull nvcr.io/metropolis/via-dp/via-engine:2.0-dp