regenerate nginx config when proxyAuth changes

src/apptask.js

@@ -797,6 +797,7 @@ function update(app, args, progressCallback, callback) {
     // FIXME: this does not handle option changes (like multipleDatabases)
     const unusedAddons = _.omit(app.manifest.addons, Object.keys(updateConfig.manifest.addons));
     const httpPathsChanged = app.manifest.httpPaths !== updateConfig.manifest.httpPaths;
+    const proxyAuthChanged = !_.isEqual(safe.query(app.manifest, 'addons.proxyAuth'), safe.query(updateConfig.manifest, 'addons.proxyAuth'));
 
     async.series([
         // this protects against the theoretical possibility of an app being marked for update from
@@ -871,10 +872,9 @@ function update(app, args, progressCallback, callback) {
 
         startApp.bind(null, app),
 
-        // needed for httpPaths changes
         progressCallback.bind(null, { percent: 90, message: 'Configuring reverse proxy' }),
         function (next) {
-            if (!httpPathsChanged) return next();
+            if (!httpPathsChanged && !proxyAuthChanged) return next();
 
             configureReverseProxy(app, next);
         },