RohitRox

version: '3.1'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:5.3.1
    ports:
      - '2181:2181'
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

RohitRox

import { AxiosError } from "axios";

/**
 * Decorator for service instance methods that does ajax calls
 * @param {string} message - ajax operation name
 * @param {any=} defaultData - optional default data to return if ajax call fails
 */
export function axiosError(message: string, defaultData?: any) {
  return function (target: any, propertyKey: string, descriptor: PropertyDescriptor) {
    const originalMethod = descriptor.value; 

RohitRox

syntax = "proto3";

option go_package = "protos/";

message Msg {
  string Text = 1;
}

service Echo {
  rpc Hello(Msg) returns(Msg);

RohitRox

package main

import (
	"context"
	"fmt"

	"github.com/opentracing/opentracing-go"
	"github.com/uber/jaeger-client-go"
	"github.com/uber/jaeger-client-go/config"
)

RohitRox

// $ node dep.js

var fs = require("fs");

function main() {
  var packageJsonFile = "package.json";
  var packageData = JSON.parse(fs.readFileSync(packageJsonFile));

  console.log("devDependencies:");

RohitRox

list indices

http://localhost:9200/_cat/indices?v

create index

PUT indexName

RohitRox

This is study path related to microservices. It is not a study path on programming, if you want to improve in this sense please take a look at this.

Introductory Videos

• Microservices • Fowler
• Principles Of Microservices by Sam Newman
• Practical Considerations For Microservice Architecture
• Microservices Antipatterns
• When Microservices Meet Event Sourcing

RohitRox

ES Document Struct

{
  "_index": "users_index",
  "_type": "_doc",
  "_id": "iam-id-uuid",
  "_score": 1,
  "_source": {

RohitRox

find ./ -type f | grep .DS_Store | xargs rm

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//  Try/Catch Basics

try {
  //something that causes an error
} catch (err){
  // error data
  console.log(err.name)
  console.log(err.message)
  // checking for specific type
  console.log(err instanceof(ReferenceError))