我正在尝试让 AWS API Gateway 使用图像进行响应。我的无服务器 Lambda 代码如下
const express = require('express');
const serverless = require('serverless-http');
const bodyParser = require('body-parser');
const request = require('request');
const fetch = require('node-fetch')
var Jimp = require('jimp');
const app = express()
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: true }))
app.get('/image/:id', async(req, res) => {
const id = req.params.id;
var imgUrl = 'https://developer.salesforce.com/forums/profilephoto/729F00000005O41/T';
let options = {};
const image = await Jimp.read(imgUrl);
image.getBuffer(Jimp.MIME_JPEG, (err, buffer) => {
res.set('content-type', 'image/jpeg');
res.send(buffer.toString('base64'));
});
});
// wrap express app instance with serverless http function
module.exports.handler = serverless(app)
serverless.yml
provider:
name: aws
runtime: nodejs8.10
stage: dev
region: us-east-1
memorySize: 512
custom:
apigwBinary:
types: #list of mime-types
- 'image/jpg'
- 'image/jpeg'
- 'image/png'
functions:
avatarFunc:
handler: index.handler
events:
- http:
path: image/{id}
method: get
contentHandling: CONVERT_TO_BINARY
plugins:
- serverless-offline
- serverless-apigw-binary
最佳答案
好的。我刚刚经历过这个并想分享解决方案。该问题与 Serverless 和 AWS 之间的不匹配有关。所以我们要把它们放在同一页面上。
首先->无服务器配置
const binaryMimeTypes = {binary: [
'image/*',
'image/jpeg',
'image/png',
'image/svg+xml',
]};
module.exports.server = sls(app, binaryMimeTypes)
这将 Serverless 配置为将关联的 Mime 类型作为 Base64 提供服务。
第二->AWS配置
在 AWS API 中,选择网关,然后选择设置。向下滚动并添加以下二进制类型:
就是这样!现在应该可以工作了!
关于node.js - AWS 无服务器功能未响应图像,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54840576/