Build and push multi-platform images

Prerequisites

1. Make sure you're logged into Docker Hub with access to the codeflydev organization:

   docker login

2. Set up buildx if you haven't already:

   docker buildx create --use

Build and push the multi-arch image for Microsoft SQL Server

docker buildx build \
  --platform linux/amd64,linux/arm64 \
  -t codeflydev/mssql-alembic:latest \
  -f migrations/Dockerfile.alembic \
  --push \
  migrations/

Note: Make sure you have push access to the codeflydev Docker Hub organization before running the push command.