Fix issues caused by @shared tsconfig path

backend/register-tsconfig-prod-paths.js

@@ -0,0 +1,10 @@
+const path = require('path');
+const tsconfig = require('./tsconfig.json');
+const tsconfigPaths = require('tsconfig-paths');
+
+// E.g. ./dist/backend
+const baseUrl = path.resolve(tsconfig.compilerOptions.outDir, path.basename(__dirname));
+tsconfigPaths.register({
+  baseUrl,
+  paths: tsconfig.compilerOptions.paths || [],
+});