[英]NodeJS Mongodb in docker compose = ECONNREFUSED
I try to up a Node.JS container linked with a MongoDB container by docker-compose, but systematically node.js return an ECONNREFUSED error. 我试图通过docker-compose建立一个与MongoDB容器链接的Node.JS容器,但系统地node.js返回一个ECONNREFUSED错误。
The error 错误
nodejs_1 | /code/node_modules/mongoose/node_modules/mongodb/lib/server.js:228
nodejs_1 | process.nextTick(function() { throw err; })
nodejs_1 |
nodejs_1 | Error: connect ECONNREFUSED
nodejs_1 | at exports._errnoException (util.js:746:11)
nodejs_1 | at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1010:19)
NodeJS code NodeJS代码
var db = 'mongodb://database:27017/wondrapi';
mongoose.connect(db);
docker-compose.yml 泊坞窗,compose.yml
web:
build: ./web
ports:
- "8080:80"
links:
- nodejs
volumes:
- ./web:/usr/share/nginx/html:ro
nodejs:
build: ./api
ports:
- "8081:3000"
links:
- database
command: npm start
database:
image: mongo
volumes:
- db:/data/db
ports:
- 27017
Dockerfile (./api) Dockerfile(./ api)
FROM node
ADD package.json /code/
WORKDIR /code
RUN npm install
ADD . /code
How can I solve the error? 我该如何解决错误?
I solve my problem: 我解决了我的问题:
I try to setup my connection (from node) to mongodb before the mongodb server was completely up (it take 5/6 secs for the first start). 我尝试在mongodb服务器完全启动之前设置我的连接(从节点)到mongodb(第一次启动需要5/6秒)。
So, i just need to retry the connection few times (3/4 times) with 1 sec before each requests from node before mongo accept the request. 因此,在mongo接受请求之前,我只需要在节点的每个请求之前用1秒重试连接几次(3/4次)。
var connectWithRetry = function() {
return mongoose.connect(db, function(err) {
if (err) {
console.error('Failed to connect to mongo on startup - retrying in 1 sec', err);
setTimeout(connectWithRetry, 1000);
}
});
};
connectWithRetry();
你应该使用:
docker stack deploy --compose-file <compose-file-name> <app-name>
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.