spring-boot

java
@Entity
@Table(name = "stored_files")
public class StoredFile {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)

Spring Boot Multipart File Upload with Metadata Persistence and Validation

spring-boot multipart file-upload
by codesnips 3 tabs
java
package com.example.demo.multitenancy;

public class TenantContext {
    private static final ThreadLocal<String> CURRENT_TENANT = new ThreadLocal<>();

    public static void setTenantId(String tenantId) {

Multi-tenancy for SaaS applications

java multi-tenancy saas
by David Kumar 4 tabs
java
package com.example.api.error;

import com.fasterxml.jackson.annotation.JsonInclude;

import java.time.Instant;
import java.util.List;

Structured Error Responses with @RestControllerAdvice in Spring Boot

spring-boot rest-api exception-handling
by codesnips 3 tabs
yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: user-service
  labels:
    app: user-service

Kubernetes deployment configuration

java kubernetes k8s
by David Kumar 5 tabs
java
package com.example.demo.controller;

import com.example.demo.model.User;
import com.example.demo.service.UserService;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;

Spring Boot REST API with CRUD operations

java spring-boot rest-api
by David Kumar 3 tabs
java
package com.shop.catalog;

import org.springframework.data.jpa.domain.Specification;

import java.math.BigDecimal;

Dynamic Product Filtering with JPA Specifications from Optional Query Params

spring-boot jpa specifications
by codesnips 4 tabs
java
package com.example.demo.service;

import com.example.demo.exception.ResourceNotFoundException;
import com.example.demo.model.User;
import com.example.demo.repository.UserRepository;
import org.junit.jupiter.api.BeforeEach;

JUnit 5 and Mockito testing strategies

java testing junit
by David Kumar 2 tabs
java
package com.shop.payments.messaging;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

public record PaymentEvent(

Idempotent Kafka Consumer With @KafkaListener and Manual Ack in Spring Boot

spring-boot kafka spring-kafka
by codesnips 3 tabs
java
@RestController
@RequestMapping("/api/customers")
public class CsvImportController {

    private final CsvImportService importService;

Streaming CSV Import in Spring Boot with MultipartFile and JDBC Batch Inserts

spring-boot csv jdbc
by codesnips 4 tabs
xml
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <springProperty scope="context" name="APP_NAME" source="spring.application.name"/>

    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>

Logging with SLF4J and Logback

java logging slf4j
by David Kumar 2 tabs
java
package com.example.security.metrics;

import io.micrometer.core.instrument.Counter;
import io.micrometer.core.instrument.MeterRegistry;
import org.springframework.stereotype.Service;

Track Failed Login Attempts with a Custom Micrometer Counter in Spring Boot

spring-boot micrometer metrics
by codesnips 3 tabs
java
package com.example.health;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import javax.sql.DataSource;

Custom Spring Boot Actuator Health Indicators for Database and Disk

spring-boot actuator health-check
by codesnips 3 tabs