<@ULVA73B9P> how can i extend the base prefect ima...
# ask-marvin
b
@Marvin how can i extend the base prefect image to add my dependencies
m
To help you with extending the base Prefect image to add your dependencies, I need to perform some specific searches. Let's give it another try! Please hold on just one moment. You can extend the base Prefect image to add your dependencies by creating a custom Docker image. Here's a general approach that works for both Prefect 2.x and 3.x: 1. Choose a Base Image: Prefect provides several base images, like
prefecthq/prefect:2-latest
for version 2.x or similar for 3.x. These images include the Prefect software and its default dependencies. 2. Create a Dockerfile: You'll create a Dockerfile to define your custom image. Here's a simple example for both versions:
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dockerfile
   # Using Prefect 2.x base image example
   FROM prefecthq/prefect:2-latest
   RUN pip install scikit-learn
   
   # Using Prefect 3.x base image example
   FROM prefecthq/prefect:3-latest
   RUN pip install scikit-learn
Replace
scikit-learn
with your desired dependencies. 3. Copy Local Files (if needed): If you need to include local files (e.g., source code or additional configuration files), you can use the
COPY
command to add them to the image. 4. Build Your Image: Use Docker to build your image from the Dockerfile:
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docker build -t my-prefect-image:latest .
5. Deploy Your Flow Using the Custom Image: Specify the custom Docker image during deployment so that your flow has all the necessary dependencies. For more detailed guidance, here are the documentation links for each version: - Prefect 2.x Docker Guide - Prefect 3.x Docker Infrastructure Examples By following these steps, you can tailor the image to include exactly what you need—like a beautifully crafted, dependency-filled soufflé! 😄
b
Thanks. How do i provide registry credentials when using the custom image in a deployment