refactor: replace Spring Boot with Jooby framework

- Remove Spring Boot dependencies and annotations.
- Implement Jooby MVC controllers and Guice dependency injection.
- Migrate persistence layer to Ebean ORM.
- Configure Flyway migrations and ApiErrorController.
- Update application configuration to HOCON format.

Dockerfile

@@ -26,11 +26,14 @@ FROM eclipse-temurin:21-jre-alpine
 WORKDIR /app
 
 # Seguridad: Usuario no-root
-RUN addgroup -S spring && adduser -S spring -G spring
-USER spring:spring
+RUN addgroup -S app && adduser -S app -G app
+
+RUN mkdir -p /app/tmp && chown app:app /app/tmp && chmod 777 /app/tmp
+
+USER app:app
 
 # Copiamos solo el JAR final (ajustado a tu módulo bootstrap)
-COPY --from=build /app/bootstrap/target/*.jar app.jar
+COPY --from=build /app/bootstrap/target/bootstrap-*.jar app.jar
 
 # Configuración de Memoria y Rendimiento para Microservicios
 # -XX:+UseSerialGC: Menos consumo de RAM para apps < 1GB