我在尝试将节点应用程序部署到heroku时显示“ npm ERR！missing script：start”。我该如何解决？ heroku日志如下所示（我是暴发户星期三的开发人员。）
heroku日志
2018-08-13T20:31:05.696247+00:00 app[api]: Initial release by user me@gmail.com
2018-08-13T20:31:05.696247+00:00 app[api]: Release v1 created by user me@gmail.com
2018-08-13T20:31:06.029459+00:00 app[api]: Release v2 created by user me@gmail.com
2018-08-13T20:31:06.029459+00:00 app[api]: Enable Logplex by user me@gmail.com
2018-08-13T20:32:58.000000+00:00 app[api]: Build started by user me@gmail.com
2018-08-13T20:33:23.424827+00:00 app[api]: Deploy 27a92d9a by user me@gmail.com
2018-08-13T20:33:23.505334+00:00 app[api]: Scaled to web@1:Free by me@gmail.com
2018-08-13T20:33:24.000000+00:00 app[api]: Build succeeded
2018-08-13T20:33:23.424827+00:00 app[api]: Release v3 created by user me@gmail.com
2018-08-13T20:33:27.333267+00:00 heroku[web.1]: Starting process with command `npm start`
2018-08-13T20:33:30.044912+00:00 heroku[web.1]: State changed from starting to crashed
2018-08-13T20:33:30.046900+00:00 heroku[web.1]: State changed from crashed to starting
2018-08-13T20:33:30.029816+00:00 heroku[web.1]: Process exited with status 1
2018-08-13T20:33:29.947105+00:00 app[web.1]: npm ERR! missing script: start
2018-08-13T20:33:29.957355+00:00 app[web.1]:
2018-08-13T20:33:29.957645+00:00 app[web.1]: npm ERR! A complete log of this run can be found in:
2018-08-13T20:33:29.957791+00:00 app[web.1]: npm ERR! /app/.npm/_logs/2018-08-13T20_33_29_951Z-debug.log
2018-08-13T20:33:33.578027+00:00 heroku[web.1]: Starting process with command `npm start`
2018-08-13T20:33:37.209745+00:00 heroku[web.1]: Process exited with status 1
2018-08-13T20:33:37.227965+00:00 heroku[web.1]: State changed from starting to crashed
2018-08-13T20:33:37.072520+00:00 app[web.1]: npm ERR! missing script: start
2018-08-13T20:33:37.096898+00:00 app[web.1]:
2018-08-13T20:33:37.097307+00:00 app[web.1]: npm ERR! A complete log of this run can be found in:
2018-08-13T20:33:37.097506+00:00 app[web.1]: npm ERR! /app/.npm/_logs/2018-08-13T20_33_37_074Z-debug.log
2018-08-13T20:34:00.858740+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=ipt-restful-service.herokuapp.com request_id=88052f29-0130-4718-b6ed-fa4504c110fd fwd="41.58.247.5" dyno= connect= service= status=503 bytes= protocol=https
2018-08-13T20:34:07.266783+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=ipt-restful-service.herokuapp.com request_id=66190636-940a-40b9-999e-9edf1d7adb2a fwd="41.58.247.5" dyno= connect= service= status=503 bytes= protocol=https
2018-08-13T20:34:07.270325+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=ipt-restful-service.herokuapp.com request_id=bf8ba7ea-ecf7-4ead-a6a4-e66d959d7088 fwd="41.58.247.5" dyno= connect= service= status=503 bytes= protocol=https (edited)
2018-08-13T21:03:57.706381+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=ipt-restfuservices.herokuapp.com request_id=230a5e25-e3c6-4ac1-9b35-c52534c444d1 fwd="41.58.247.5" dyno= connect= service= status=503 bytes= protocol=https
package.js file
{
"name": "ipt-api",
"version": "1.0.0",
"description": "rest api using mongodb && express",
"main": "app.js",
"scripts": {
"start": "node app.js"
},
"engines": {
"node": "8.11.2"
},
"repository": {
"type": "git"
},
"keywords": [
"node",
"heroku",
"express"
],
"author": "Bluebird",
"license": "ISC",
"dependencies": {
"bcryptjs": "^2.4.3",
"body-parser": "^1.18.3",
"crypto-js": "^3.1.9-1",
"express": "^4.16.3",
"jsonwebtoken": "^8.3.0",
"lodash": "^4.17.10",
"mongodb": "^3.1.1",
"mongoose": "^5.2.5",
"swagger-ui-express": "^3.0.10",
"validator": "^10.4.0"
},
"devDependencies": {
"expect": "^23.4.0",
"mocha": "^5.2.0",
"supertest": "^3.1.0"
}
}
app.js
const express = require('express');
const _ = require('lodash');
const bodyParser = require('body-parser');
const app = express();
const swaggerUi = require('swagger-ui-express');
const swaggerDocument = require('./swagger.json');
var {User} = require('./models/users');
var {mongoose} = require('./db/mongoose');
var {ObjectID} = require('mongodb');
var {authenticate} = require('./middleware/authenticate');
app.use(bodyParser.json());
const PORT = process.env.PORT || 3000;
app.use('/api-docs', swaggerUi.serve, swaggerUi.setup(swaggerDocument));
app.post('/create/user', (req, res) => {
var createUser = new User({
firstname:req.body.firstname,
lastname:req.body.lastname,
email:req.body.email,
password:req.body.password,
is_active:req.body.is_active,
created_at:req.body.created_at,
updated_at:req.body.updated_at
});
createUser.save().then(() => {
return createUser.generateAuthToken();
}).then((token) => {
res.header('x-auth', token).status(200).send(createUser);
}).catch((e) => {
res.status(400).send(e);
});
});
app.get('/users', authenticate, (req, res) => {
User.find().then((data) => {
res.status(200).send(req.data);
});
});
app.get('/users/:id', (req, res) => {
let id = req.params.id;
if(!ObjectID.isValid(id)){
return res.status(404).send({
err:'not found'
});
}
User.findById(id).then((data) => {
if(!data){
res.status(404).send('user not found');
}
res.status(200).send({
status:'success',
data
});
}, (e) => {
res.status(400).send(e);
});
});
app.patch('/users/update/:id', (req, res) => {
let id = req.params.id;
var body = _.pick(req.body, ['firstname', 'lastname', 'email', 'password', 'created_at', 'updated_at']);
if(!ObjectID.isValid(id)){
return res.status(404).send('user not found');
}
body.updated_at = new Date().getTime();
User.findByIdAndUpdate(id, {$set:body}, {new:true}).then((data) => {
if(!data){
res.status(404).send('data not found');
}
res.status(200).send({
status:'success',
data
});
}, (e) => {
res.status(400).send(e);
});
});
app.patch('/users/update/status/:id', (req, res) => {
let id = req.params.id;
var body = _.pick(req.body, ['is_active']);
if(!ObjectID.isValid(id)){
return res.status(404).send('user not found');
}
if(_.isBoolean(body.is_active) && body.is_active){
body.is_active = true;
}else{
body.is_ative = false;
}
User.findByIdAndUpdate(id, {$set:body}, {new:true}).then((data) => {
if(!data){
res.status(404).send('user not found');
}
res.status(200).send({
status:'success',
data
});
}, (e) => {
res.status(400).send(e);
});
});
app.delete('/users/delete/:id', (req, res) => {
let id = req.params.id;
if(!ObjectID.isValid(id)){
return res.status(404).send('unable to process request');
}
User.findByIdAndRemove(id).then((data) => {
if(!data){
res.status(404).send('user not found');
}
res.status(200).send({
status:'success',
data
});
}, (e) => {
res.status(400).send(e);
});
});
app.post('/user/login', (req, res) => {
var body = _.pick(req.body, ['email', 'password']);
User.findByCredentials(body.email, body.password).then((data) => {
res.status(200).send({
status:'success',
data
});
}).catch((e) => {
res.status(400).send();
});
});
module.exports = {app};
app.listen(PORT, () => {
console.log(`Application now listening to port ${PORT}`);
});
摘要：在提出此问题之前，我已经看过建议尽可能重复的链接，但这无助于解决问题。
更新：已解决。 无法解释这是如何解决的，但我放弃了仓库并重新初始化解决了。
答案 0 :(得分：0)
您的package.json文件中是否有脚本？