To make portfolio in Web service, I complete task as below. Set portfolio frontend(React) and create Dockerfile Set Nginx configuration Set docker-compose. react-web(expose 3000), nginx(80:8...
Relationship between MSA & Docker(proceeding)
MSA rises as cloud services and is more and more used. That’s because each service is independent and can be managed its cost efficiently. Also, even without the benefits of cost in cloud service, ...
RSA ecnryption
Generate A’s RSA public/private key A generate random prime number p,q = 53, 59 n = p*q = 3127 Φ(n) = (p-1)*(q-1) = 3016 A generate random number k = 2 A generate small public exponent e...
Cookie and Session, JWT(Json Web Token)
We generally use TOKEN for authentications. But we don’t actually know the details about token. Today I will talk about token, espectially JWT(json web token). First we should know about the cooki...
Banking backend server with Golang(Done)
Progress For my experience in golang-backend, I use below skills for develop my banking service. You can see the source code in my github. Banking backend server Skills Skills...
REST, JSON RPC, and gRPC
From MA(Monolithic Architecture) to MSA(Micro Service Architecture) 옛날에는 모놀리식 아키텍처로 설계를 하였음으로 하나의 거대한 어플리케이션으로 제작되었었다. ex) 뱅킹 서비스 + UI + AD로직 + DB엑세스 로직 + … = Application 하지만 최근...
Docker vs Virtual Machine
Main difference between Docker and VM Size VM : large size To execute program, VM needs to have GuestOS which is very large size Docker : smal...
Docker Setting
Dockerfile Below is my Banking Server backend Dockerfile. Here, I’m going to explain each steps. # Build stage FROM golang:1.18.3-alpine3.16 AS builder WORKDIR /app COPY ../.. . RUN go build -o m...
Network-3:TLS 1.2 vs TLS 1.3
TLS 1.2 TLS encrpyt all your application data in packet. Here is a whole process of how server/client exhange their keys and how they encrypt packets. Before TLS, Server create CSR CSR con...
[ERROR] Yarn install error
Case 1 This means that you dont have leftover disk space. So run docker docker system prune all stopped containers all networks not used by at least one...