feat: backend service

backend/Makefile

@@ -0,0 +1,25 @@
+.PHONY: jet proto build vet test tidy
+
+# jet regenerates the go-jet query packages under internal/postgres/jet by
+# spinning up a transient Postgres container, applying the embedded
+# migrations, and running the generator against the `backend` schema.
+jet:
+	go run ./cmd/jetgen
+
+# proto regenerates the gRPC bindings under proto/ from the .proto files
+# in the same directory using the buf toolchain (`buf generate`). The
+# generated *.pb.go and *_grpc.pb.go files are committed to the repo.
+proto:
+	buf generate
+
+build:
+	go build ./...
+
+vet:
+	go vet ./...
+
+test:
+	go test ./...
+
+tidy:
+	go mod tidy