diff --git a/server/dev.js b/server/dev.js
index d4a0b919..8c1f0a2f 100644
--- a/server/dev.js
+++ b/server/dev.js
@@ -15,18 +15,28 @@ function webpackDevMiddleware(app) {
     app.use(hotMiddleware(compiler, {
         log: log
     }));
+}
 
+function logQueries(app) {
     app.use(function(req, res, next) {
         const start = Date.now();
-        const params = (req.body ? req.body.params : '');
-        log(`${req.method} ${req.originalUrl} ${req.body.params}`);
+        log(`${req.method} ${req.originalUrl} ${JSON.stringify(req.body)}`);
         res.once('finish', () => {
             log(`${Date.now() - start}ms`);
         });
         next();
+    });
+}
+
+function logErrors(app) {
+    app.use(function(err, req, res, next) {
+        log(LM_ERR, err.stack);
+        res.status(500).send(err.stack);
     });    
 }
 
 module.exports = {
-    webpackDevMiddleware
+    webpackDevMiddleware,
+    logQueries,
+    logErrors
 };
\ No newline at end of file
diff --git a/server/index.js b/server/index.js
index c83f5104..e2493a93 100644
--- a/server/index.js
+++ b/server/index.js
@@ -16,26 +16,29 @@ async function main() {
     log('Opening database');
     await connPool.init();
 
-    app.use(express.json());
-
+    let devModule = undefined;
     if (config.branch == 'development') {
-        const devFileName = './dev.js'; //ignored by pkg
-        require(devFileName).webpackDevMiddleware(app);
+        const devFileName = './dev.js'; //ignored by pkg -50Mb executable size
+        devModule = require(devFileName);
+        devModule.webpackDevMiddleware(app);
     }
 
     app.use(compression({ level: 1 }));
+    app.use(express.json());
+    if (devModule)
+        devModule.logQueries(app);
     app.use(express.static(config.publicDir, { maxAge: '30d' }));
 
     require('./routes').initRoutes(app, connPool, config);
 
-    app.use(function(err, req, res, next) {
-        log(LM_ERR, err.stack);
-        if (config.branch == 'development') {
-            res.status(500).send(err.stack);
-        } else {
+    if (devModule) {
+        devModule.logErrors(app);
+    } else {
+        app.use(function(err, req, res, next) {
+            log(LM_ERR, err.stack);
             res.sendStatus(500);
-        }
-    });
+        });
+    }
 
     app.listen(config.port, config.ip, function() {
         log('Server is ready');