The text provides a comprehensive guide on deploying an OpenCV application to AWS Lambda using Docker and CircleCI. OpenCV, an open-source computer vision library, is utilized to convert images to grayscale, and the tutorial explains how to overcome AWS Lambda's size limitations by containerizing the application with Docker. The process includes setting up a Python development environment, creating a Dockerfile for a multi-stage build to ensure a slim runtime image, and using AWS ECR for hosting the container image. The guide also covers local testing with AWS Lambda Runtime Interface Emulator and automates the deployment process with CircleCI for continuous integration and deployment. Users are guided through necessary steps such as setting up AWS accounts, installing dependencies, and configuring CircleCI for automated builds, with the ultimate goal of streamlining the deployment of serverless applications using a CI/CD pipeline.