Error: The partial content/index.html could not be found
   at Object.invokePartial (/usr/src/app/node_modules/handlebars/dist/cjs/handlebars/runtime.js:271:11)
   at Object.invokePartialWrapper [as invokePartial] (/usr/src/app/node_modules/handlebars/dist/cjs/handlebars/runtime.js:68:39)
   at Object.eval [as main] (eval at createFunctionContext (/usr/src/app/node_modules/handlebars/dist/cjs/handlebars/compiler/javascript-compiler.js:254:23), <anonymous>:7:28)
   at main (/usr/src/app/node_modules/handlebars/dist/cjs/handlebars/runtime.js:173:32)
   at ret (/usr/src/app/node_modules/handlebars/dist/cjs/handlebars/runtime.js:176:12)
   at ret (/usr/src/app/node_modules/handlebars/dist/cjs/handlebars/compiler/compiler.js:525:21)
   at /usr/src/app/node_modules/consolidate/lib/consolidate.js:735:16
   at /usr/src/app/node_modules/consolidate/lib/consolidate.js:144:5
   at Promise._execute (/usr/src/app/node_modules/bluebird/js/release/debuggability.js:300:9)
   at Promise._resolveFromExecutor (/usr/src/app/node_modules/bluebird/js/release/promise.js:481:18)
   at new Promise (/usr/src/app/node_modules/bluebird/js/release/promise.js:77:14)
   at promisify (/usr/src/app/node_modules/consolidate/lib/consolidate.js:137:10)
   at Function.exports.handlebars.render (/usr/src/app/node_modules/consolidate/lib/consolidate.js:725:10)
   at /usr/src/app/node_modules/consolidate/lib/consolidate.js:165:27
   at /usr/src/app/node_modules/consolidate/lib/consolidate.js:99:5
   at FSReqWrap.readFileAfterClose [as oncomplete] (fs.js:511:3)