AppFlowy-Cloud/doc/LOCAL_BUILD.md

To build a multi-architecture Docker image

Docker's buildx tool, which is a part of Docker BuildKit. This tool allows you to create images for different platforms from a single build command. Here's a basic rundown of the steps:

1. Enable experimental features by setting "experimental": "enabled" in your Docker configuration file (~/.docker/config.json).

2. Install QEMU on your macOS to emulate different architectures:

   brew install qemu
   

3. Create a new builder that enables buildx and specify the platforms you want to target:

   docker buildx create --name mybuilder --use
   

4. Inspect the builder to ensure it's correctly configured and can build for the target platforms:

   docker buildx inspect mybuilder --bootstrap
   

5. Build and push the image to Docker Hub (or another registry) for the desired platforms using the --platform flag:

   docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t <username>/myimage:latest --push .