jdbc

CREATE TABLE outbox_deliveries (
    id              BIGSERIAL PRIMARY KEY,
    dedupe_key      TEXT        NOT NULL,
    target_url      TEXT        NOT NULL,
    payload         JSONB       NOT NULL,
    status          TEXT        NOT NULL DEFAULT 'PENDING',

public record User(Long id, String email, String displayName, boolean active) {

    public static User of(String email, String displayName) {
        return new User(null, email, displayName, true);
    }

@RestController
@RequestMapping("/api/transactions")
public class TransactionExportController {

    private final CsvExportService exportService;

@RestController
@RequestMapping("/api/customers")
public class CsvImportController {

    private final CsvImportService importService;

package com.example.health;

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

@RestController
@RequestMapping("/api/exports")
public class ExportController {

    private final CsvStreamWriter csvStreamWriter;

@Configuration
public class TxConfig {

    @Bean
    public PlatformTransactionManager transactionManager(DataSource dataSource) {
        DataSourceTransactionManager tm = new DataSourceTransactionManager(dataSource);