ashutosh049

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

ashutosh049

Centralised logging for Docker containers running Spring Boot applications

Log flow through the system

About

We have a bunch of Spring Boot apps running in various Docker containers and wanted a centralised place to view the logs

ashutosh049

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
import java.net.*;
import com.google.gson.*;
    
//------  My code  -----------
import java.io.InputStreamReader;

ashutosh049

@Configuration
public class ConnectorConfig {
  
  @Bean
  public EmbeddedServletContainerFactory servletContainer() {
    TomcatEmbeddedServletContainerFactory tomcat = new TomcatEmbeddedServletContainerFactory() {
      @Override
      protected void postProcessContext(Context context) {
        SecurityConstraint securityConstraint = new SecurityConstraint();
        securityConstraint.setUserConstraint("CONFIDENTIAL");

ashutosh049

JWT Kong Example

• Get and Start Kong and Co

git clone git@github.com:Mashape/docker-kong.git
cd docker-kong/compose
docker-compose up

• Create Kong API Route