Docker + FastAPI Example

This is a minimal example of running a FastAPI application inside a Docker container. The app exposes a single endpoint that returns a simple JSON message.

Project Structure

• main.py: FastAPI application source code
• Dockerfile: Image build instructions
• requirements.txt: Python dependencies

Quick Start

1. Build the Docker Image

docker build -t fastapi-example .

2. Run the Container

docker run -d -p 8000:8000 --name fastapi-example fastapi-example

The app will be available at http://localhost:8000

3. Test the API

You can test the root endpoint with curl or your browser:

curl http://localhost:8000/

Expected response:

{"message": "Hello World"}

4. View Container Logs

To view the logs from the running FastAPI container, use:

docker logs fastapi-example

5. Stop and Remove the Container

docker stop fastapi-example
docker rm fastapi-example