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To install and configure Prefect on a local server using a Docker Compose file, and to manage flows, you should follow these steps. Here is a summary of the findings from the documentation and GitHub issues for both Prefect 2.x and 3.x. ### Prefect 2.x and 3.x Installation 1. Create a Docker Compose File: Create a

docker-compose.yml

file. Below is a basic example for both Prefect 2.x and 3.x:

yaml
   version: '3.8'

   services:
     prefect:
       image: prefecthq/prefect:2-latest // for Prefect 3.x use 3-latest
       environment:
         - PREFECT_API_URL=<http://localhost:4200/api>
         - PREFECT_API_KEY=your_api_key
       ports:
         - "4200:4200"
       volumes:
         - ~/.prefect:/root/.prefect

Make sure you replace

your_api_key

with an actual Prefect API key. 2. Build and Start Services: Run the following command to build and start the services defined in the Docker Compose file:

sh
   docker-compose up -d

3. Check the Prefect Server: Verify that the Prefect server is running by navigating to

<http://localhost:4200>

. ### Managing Flows For managing flows, you should follow different procedures depending on your Prefect version. 1. Prefect 2.x: - Creating a Flow: Define your flow in a Python script:

python
     from prefect import flow, task

     @task
     def my_task():
         print("Hello from my task!")

     @flow
     def my_flow():
         my_task()

     if __name__ == "__main__":
         my_flow()

- Running the Flow: You can run the script directly or use Prefect CLI to interact with it.

sh
     prefect deployment build -n my-deployment-script.py

2. Prefect 3.x: - Creating a Work Pool and Worker:

sh
     prefect work-pool create --type docker my-docker-pool

- Starting a Worker: In a new terminal, start the worker:

sh
     prefect worker start --pool my-docker-pool

- Defining and Running the Flow: Similar to Prefect 2.x, define your flow in a Python script and run it. ### Additional Resources and Troubleshooting For complete guides and troubleshooting, refer to the Prefect documentation and GitHub issues: - Prefect 2.x Docker Guide - Prefect 3.x Docker Guide - Self-hosted Prefect 3.x - GitHub Issue on Docker Installation By following these steps and referring to the documentation, you should be able to set up and manage Prefect on a local server using Docker Compose effectively.