Introduction

@FeignClient(name = "jea-catalogo-service", path = "/producto")
public interface ProductoFeign {
    
    @GetMapping("/{id}")
    @CircuitBreaker(name = "orderByIdCB", fallbackMethod = "fallbackProductById")
    public ResponseEntity<Producto> listarProducto(@PathVariable Long id);
    
    @PutMapping("/{id}/cantidad")
    @CircuitBreaker(name = "orderByIdCB", fallbackMethod = "fallbackProductById")
    ResponseEntity<Producto> actualizarCantidad(@PathVariable Long id, 
                                                @RequestBody Integer nuevaCantidad);
    
    default ResponseEntity<Producto> fallbackProductById(Long id, Exception e) {
        Producto productDto = new Producto();
        productDto.setNombre("Servicio no disponible de producto");
        return ResponseEntity.ok(productDto);
    }
}

spring:
  cloud:
    gateway:
      routes:
        - id: jea-auth-service
          uri: lb://jea-auth-service
          predicates:
            - Path=/auth/**, /usuario/**, /rol/**
        
        - id: jea-catalogo-service
          uri: lb://jea-catalogo-service
          predicates:
            - Path=/categoria/**, /producto/**, /imagenes/**
          filters:
            - AuthFilter

public String createToken(AuthUser authUser) {
    Map<String, Object> claims = new HashMap<>();
    claims = Jwts.claims().setSubject(authUser.getUserName());
    claims.put("id", authUser.getId());
    Date now = new Date();
    Date exp = new Date(now.getTime() + 3600000); // 1 hour
    return Jwts.builder()
            .setClaims(claims)
            .setIssuedAt(now)
            .setExpiration(exp)
            .signWith(SignatureAlgorithm.HS256, secret)
            .compact();
}