Merge pull request compiler-explorer#1568 from mattgodbolt/partouf-patch-1

should this work?

Author: partouf

lib/handlers/health-check.js

@@ -42,6 +42,7 @@ class HealthCheckHandler {
 
         try {
             const content = await fs.readFile(this.filePath);
+            if (content.length === 0) throw "File is empty";
             res.end(content);
         } catch (e) {
             logger.error(`*** HEALTH CHECK FAILURE: while reading file '${this.filePath}' got ${e}`);