Senior Java Developer with 12+ years building enterprise applications. Expert in Spring Boot, microservices, and cloud-native architectures. Passionate about clean code, design...
apiVersion: apps/v1
kind: Deployment
metadata:
name: user-service
labels:
app: user-service
package com.example.demo.service;
import io.github.resilience4j.circuitbreaker.annotation.CircuitBreaker;
import io.github.resilience4j.ratelimiter.annotation.RateLimiter;
import io.github.resilience4j.retry.annotation.Retry;
import io.github.resilience4j.bulkhead.annotation.Bulkhead;
package com.example.demo.aspect;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.slf4j.Logger;
package com.example.demo.multitenancy;
public class TenantContext {
private static final ThreadLocal<String> CURRENT_TENANT = new ThreadLocal<>();
public static void setTenantId(String tenantId) {
package com.example.demo.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.context.annotation.Bean;
package com.example.demo.model;
import org.springframework.data.annotation.Id;
import org.springframework.data.elasticsearch.annotations.Document;
import org.springframework.data.elasticsearch.annotations.Field;
import org.springframework.data.elasticsearch.annotations.FieldType;
package com.example.demo.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
package com.example.demo.batch;
import com.example.demo.model.User;
import com.example.demo.model.UserDTO;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.Step;
type User {
id: ID!
name: String!
email: String!
posts: [Post!]!
createdAt: String!
package com.example.demo.feature;
import org.togglz.core.Feature;
import org.togglz.core.annotation.EnabledByDefault;
import org.togglz.core.annotation.Label;
import org.togglz.core.context.FeatureContext;
package com.example.demo.dto;
import java.time.LocalDateTime;
import java.util.List;
// Simple record
CREATE TABLE users (
id BIGSERIAL PRIMARY KEY,
username VARCHAR(100) NOT NULL UNIQUE,
email VARCHAR(255) NOT NULL UNIQUE,
password VARCHAR(255) NOT NULL,
created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,