builder: move builder creation logic to builder package

This moves the builder creation logic to the builder package as we
plan to allow builder creation in the build ui of Docker Desktop so we
avoid drifting with the same logic in command package.

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

builder/builder_test.go

@@ -0,0 +1,26 @@
+package builder
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestCsvToMap(t *testing.T) {
+	d := []string{
+		"\"tolerations=key=foo,value=bar;key=foo2,value=bar2\",replicas=1",
+		"namespace=default",
+	}
+	r, err := csvToMap(d)
+
+	require.NoError(t, err)
+
+	require.Contains(t, r, "tolerations")
+	require.Equal(t, r["tolerations"], "key=foo,value=bar;key=foo2,value=bar2")
+
+	require.Contains(t, r, "replicas")
+	require.Equal(t, r["replicas"], "1")
+
+	require.Contains(t, r, "namespace")
+	require.Equal(t, r["namespace"], "default")
+}