Compile the binary and install it:
go get -v
go install
mkdir -p ~/.terraform.d/plugins/linux_amd64
cp $GOPATH/bin/terraform-provider-osc ~/.terraform.d/plugins/linux_amd64
Build the Docker image
$ make docker-image
Build the binaries, you'll find all the binaries in pkg/
$ make docker-build
Instructions on this Notion page.