@Marvin In my prefect.yaml deployment file I would to build a Docker image for both arm64 and amd64 platform. How can I do so?

To correctly assist you, I need more information on your specific version of Prefect since the configuration may differ between versions. Could you please specify whether you're using Prefect 2.x or 3.x? Once I know the version, I'll search the relevant documentation for guidance on building a Docker image for multiple platforms in your

prefect.yaml

deployment file.

@Marvin Prefect 3.x

To build a Docker image for both

arm64

and

amd64

in Prefect 3.x using a

prefect.yaml

deployment file, you can specify the platforms in your Docker build configuration. Here's a basic guideline on how to achieve this: 1. Dockerfile Specification: You can instruct Prefect to automatically handle Dockerfile creation and image building by setting the

dockerfile

to

auto

. This will automatically copy your project's files and install any dependencies listed in a

requirements.txt

. 2. Platform Configuration: You need to specify the platforms for which you want to build the Docker image. Unfortunately, the current documentation doesn't directly show how multiple platforms can be defined. However, generally in Docker, you would set the

platform

to something like

linux/arm64,linux/amd64

. 3. Prefect YAML Example:

yaml
   build:
     requires: prefect-docker>=0.4.0
     dockerfile: auto
     platform: linux/arm64,linux/amd64
     image_name: "your-image-name"
     tag: latest
   push:
     requires: prefect-docker>=0.4.0
     image_name: "{{ build-image.image_name }}"
     tag: "{{ build-image.tag }}"

4. Deployment: Customize the build, push, and pull steps in your deployment configuration if needed. For detailed steps, please refer to the Prefect 3.x Documentation. However, note that building multi-platform Docker images usually requires using Docker's Buildx plugin, which might not be directly supported by Prefect's built-in functionalities. If necessary, consider using an external CI/CD pipeline to handle multi-platform builds outside of Prefect, and then use the resulting image in your Prefect deployment.