Nodejs APP

-------------------------------------------------- Node JS App -----------------------------------------------------



-------------- Hello World Code ------------------

[ec2-user@ip-172-31-45-163 docker]$ cat code/app.js
const http = require('http');
var accesslog = require('access-log');
const hostname = '0.0.0.0';
const port = 3000;

const server = http.createServer((req, res) => {
  res.statusCode = 200;
  res.setHeader('Content-Type', 'text/html');
  accesslog(req, res);
  res.end('<h1><center>Hello World! this is a simple nodejs app running in Docker container</h1></center>');
});

server.listen(port, hostname, () => {
  console.log(`Server running at http://${hostname}:${port}/`);
});




---------------- Docker file --------------


[ec2-user@ip-172-31-45-163 docker]$ cat Dockerfile
FROM alpine:latest

ENV HOME_DIR /var/nodjs/

ENV USER node

ENV PORT 3000

WORKDIR $HOME_DIR

RUN apk update && apk add nodejs npm

RUN npm install access-log

COPY ./code/ .

RUN adduser -h $HOME_DIR -D -s /bin/sh $USER

RUN chown -R $USER. $HOME_DIR

USER $USER

EXPOSE $PORT

ENTRYPOINT ["node"]

CMD ["app.js"]



----- Container creation ---------------


[ec2-user@ip-172-31-45-163 docker]$ docker container run --name nodeapp -d -p 80:3000 nodeimage:1
1411e39a58099817f4eebf05ed8b85dd32cd91714d7bc697601cebffef7d4dc4



-----------Container logs ---------------

[ec2-user@ip-172-31-45-163 docker]$ docker container logs nodeapp
Server running at http://0.0.0.0:3000/
103.158.218.18 - - [03/Jun/2023:13:05:04 -0000] "GET / HTTP/1.1" 200 - "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"
103.158.218.18 - - [03/Jun/2023:13:05:04 -0000] "GET /favicon.ico HTTP/1.1" 200 - "http://3.109.186.176/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"
103.158.218.18 - - [03/Jun/2023:13:05:07 -0000] "GET / HTTP/1.1" 200 - "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"
103.158.218.18 - - [03/Jun/2023:13:05:07 -0000] "GET /favicon.ico HTTP/1.1" 200 - "http://3.109.186.176/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"
103.158.218.18 - - [03/Jun/2023:13:05:07 -0000] "GET / HTTP/1.1" 200 - "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"
103.158.218.18 - - [03/Jun/2023:13:05:07 -0000] "GET /favicon.ico HTTP/1.1" 200 - "http://3.109.186.176/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"