docker mongodb node.js
$ sudo docker pull mongo
$ sudo mkdir /var/mongodb
$ sudo docker run -it --name mongodb-server -v /var/mongodb:/data/db mongo
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$ sudo docker inspect --format {{.State.Pid}} a1b37f96bf9a
3389
$ sudo nsenter --target 3389 --mount --uts --ipc --net --pid
root@a1b37f96bf9a:/# env
Nodejs 应用简单的访问Mongodb 部署至Docker
1.本地简单的写能运行起来的一个nodejs (demo可写的更简单 一个post一个get即可)
schemas user.js
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var
mongoose = require(
'mongoose'
)
var
UserSchema =
new
mongoose.Schema({
name:{
unique:
true
,
type:String
},
password:{
type:String
},
//0 1 2 3 4
role:{
type:Number,
default
:5
}
})
UserSchema.statics = {
fetch:
function
(cb){
return
this
.find({})
.exec(cb)
},
findById:
function
(id,cb){
return
this
.findOne({_id:id}).exec(cb)
}
}
module.exports = UserSchema
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model user.js
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var
mongoose = require(
'mongoose'
)
var
UserSchema = require(
'../schemas/user'
)
var
User = mongoose.model(
'User'
,UserSchema);
module.exports = User;
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controller user.js
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var
User = require(
'../model/user'
)
exports.list =
function
(req,res){
User.fetch(
function
(err,users){
if
(err) {console.log(err)}
res.send(users);
})
}
exports.save =
function
(req,res){
console.log(req.query.name);
var
name = req.query.name ||
'noname'
;
var
password =
'abcdefg'
;
var
user =
new
User({
"name"
:name,
"password"
:
"123456"
})
user.save(
function
(err){
if
(err)
{
console.log(
'false'
);
res.send(
"fails"
);
return
;
}
res.redirect(
'/'
);
})
}
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app.js
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var
express = require(
'express'
);
var
router = express.Router();
var
mongoose = require(
'mongoose'
)
//var dbURL = 'mongodb://localhost:27017/imooc';
var
dbURL =
'mongodb://mongodb/imooc'
;//mongodb这个名字是 在--link=aaa:bbb时的名字 即bbb
mongoose.connect(dbURL);
var
app = express();
app.listen(3000,
function
(){
console.log(
"server start. Listen port:3000"
);
});
require(
'./router/router'
)(app)
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router.js
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var
User = require(
'../app/controller/user'
)
var
_ = require(
'underscore'
)
module.exports =
function
(app){
app.get(
'/'
,User.list)
app.get(
'/user'
,User.save);
}
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确保本地能够正常运行。
2.在app.js文件目录编写dockerfile
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FROM node
COPY . /home/src
RUN cd /home/src; npm install
EXPOSE 3000
CMD [
"node"
,
"/home/src/app.js"
]
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6.docker build -t nodejsdemo ./
docker run -it -p 3000:3000 --name nodejsdemo --link=mongodb:mongodb modejsdemo
此时控制台可以看到 server start Listen port:3000
浏览器访问 192.168.99.100:3000