[node.js] Jade, 메일 보내기

nodemon
    서버 코드를 변경할 때마다 서버를 재시작하도록 해주는 모듈
    npm install -g nodemon

PUG(Jade)
    npm install jade
    http://jade-lang.com

node.js를 통해 메일 보내기
    nodemailer 모듈
        gmail(naver..) 서버를 이용해서 메일을 보냄
        npm i nodemailer

nodemailer 설정

메일을 보내줄 객체 생성
    nodemailer.createTransport({
        service:'서비스명(gmail,naver,..)',
        auth:{
            user:'계정',
            pass:'비밀번호'
        },
        host:'smtp.mail.com',
        port:'465'
    })

메일에 대한 정보(설정)를 담은 객체 생성
    const 객체명 = {
        from:'이름<메일주소>',
        to:'이름<메일주소>',
        subject:'제목',
        text:'내용'
    }

네이버 메일 사용하는 방법
    https://velog.io/@jiwon/-Nodemailer%EB%A1%9C-%EC%9D%B8%EC%A6%9D-%EA%B4%80%EB%A0%A8-%EC%9D%B4%EB%A9%94%EC%9D%BC-%EB%B3%B4%EB%82%B4%EA%B8%B0-d4k4pqoot4