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<@ULVA73B9P> I have git hub repo now I want to mak...
# ask-marvin
a
@Marvin I have git hub repo now I want to make my repo on ec2 machine and prefect take flows from there
m
Alright, let's break this down step-by-step. 1. Setup Your Repo on an EC2 Instance: - Launch EC2 Instance: Choose an appropriate AMI (Amazon Machine Image) and instance type. - SSH into Your Instance: Once the instance is running, SSH into it.
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   ssh -i path-to-your-key.pem ec2-user@your-ec2-public-dns
- Install Dependencies (Git, Python, etc.):
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     sudo yum update -y
     sudo yum install git -y
     sudo yum install python3 -y
- Clone Your Repo:
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     git clone <https://github.com/your-username/your-repo-name.git>
     cd your-repo-name
- Setup Virtual Environment:
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     python3 -m venv venv
     source venv/bin/activate
     pip install -r requirements.txt
2. Configure Prefect to Run Flows from the Repo: - Install Prefect (if not installed):
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     pip install prefect
- Write a Flow Script in your cloned repo (or use an existing one):
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     from prefect import flow

     @flow
     def my_flow():
         print("Hello from EC2!")

     if __name__ == "__main__":
         my_flow()
- Run the Flow:
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     prefect run -p path/to/your/flow_script.py
3. Deploying and Running Flows with Prefect: To ensure Prefect takes flows from your EC2-hosted repo, you will need to set up a Prefect worker on EC2. Let's search for some steps on deploying workers and running flows. Let's think step-by-step. I'll search for relevant Prefect documentation and GitHub issues related to deploying workers and running flows from specific repositories. Give me a moment. Here's a structured guide on setting up and deploying Prefect flows from your GitHub repository on an EC2 instance: ### 1. Setup Your EC2 Instance - Launch an EC2 Instance: Choose an appropriate AMI and instance type. - SSH into Your Instance:
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  ssh -i path-to-your-key.pem ec2-user@your-ec2-public-dns
- Install Dependencies:
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  sudo yum update -y
  sudo yum install git -y
  sudo yum install python3 -y
- Clone Your Repository:
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  git clone <https://github.com/your-username/your-repo-name.git>
  cd your-repo-name
- Setup Virtual Environment:
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  python3 -m venv venv
  source venv/bin/activate
  pip install -r requirements.txt
  pip install prefect
### 2. Configuring Prefect - Write a Flow Script in your repo:
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  from prefect import flow

  @flow
  def my_flow():
      print("Hello from EC2!")

  if __name__ == "__main__":
      my_flow()
- Run the Flow:
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  prefect run -p path/to/your/flow_script.py
### 3. Set Up Prefect Worker on EC2 To run flows from your repository using a Prefect worker, follow these steps: #### Step 1: Install Docker Ensure Docker is installed and running on your EC2 instance:
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sudo amazon-linux-extras install docker -y
sudo service docker start
sudo usermod -a -G docker ec2-user
Logout and log back in for group changes to take effect. #### Step 2: Create a Prefect Worker You can use ECS or a simple Docker setup on your EC2 instance. Here's an example of setting up a worker: 1. ECS Worker Service: - Create a JSON file (e.g., 
ecs-worker.json
) with the following contents: ```json { "family": "prefect-worker-task", "networkMode": "awsvpc", "requiresCompatibilities": [ "FARGATE" ], "cpu": "512", "memory": "1024", "executionRoleArn": "<ecs-task-role-arn>", "taskRoleArn": "<ecs-task-role-arn>", "containerDefinitions": [ { "name": "prefect-worker", "image": "prefecthq/prefect:2-latest", "cpu": 512, "memory": 1024, "essential": true, "command": [ "/bin/sh", "-c", "pip install prefect-aws && prefect worker start" ], "environment": [
{ "name": "PREFECT_API_URL", "value": "<prefect-api-url>" }, { "name": "PREFECT_API_KEY", "value": "<prefect-api-key>" } ] } ] }
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2. **Using Prefect CLI**:
    ```python
    from prefect import flow
    from prefect.deployments import DeploymentSpec

    DeploymentSpec(
        flow_location="path/to/your/flow_script.py",
        name="my-first-deployment",
        work_pool_name="my-ec2-pool"
    )
For Detailed Steps: AWS ECS Worker Guide GitHub Flow Deployment #### Step 3: Deploy and Run - Run Deployment:
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  prefect deployment apply path/to/deployment.yaml
  prefect deployment run "my-first-deployment"
### Resources: - Prefect ECS Worker Guide - Prefect Work Pools Tutorial - Prefect Flows Tutorial
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