Organize backend into product executable and shared Go modules

backend/product/main.go

@@ -0,0 +1,21 @@
+// Adapted from Sendico api/edge/product/main.go; see ../PROVENANCE.md.
+package main
+
+import (
+	application "git.sendico.io/tech/sxchnge/product/app/process"
+	smain "git.sendico.io/tech/sxchnge/product/app/process/run"
+	"git.sendico.io/tech/sxchnge/product/app/profile"
+	"git.sendico.io/tech/sxchnge/product/app/server"
+	"git.sendico.io/tech/sxchnge/product/app/version"
+	"git.sendico.io/tech/sxchnge/shared/logging"
+	"os"
+)
+
+func factory(logger mlogger.Logger, file string, debug bool) (application.Application, error) {
+	return server.Create(logger, file, debug, profile.Runtime())
+}
+func main() {
+	if smain.RunServer("sxchnge.bff", appversion.Create(), factory) != nil {
+		os.Exit(1)
+	}
+}