[ADD] DOCKER

.dockerignore

+target
+.git
+.idea
+*.iml
+src/main/resources/application.yml

Dockerfile

+# --- Etapa 1: build ---
+FROM eclipse-temurin:25-jdk AS build
+WORKDIR /app
+
+COPY mvnw .
+COPY .mvn .mvn
+COPY pom.xml .
+RUN ./mvnw dependency:go-offline -B
+
+COPY src src
+RUN ./mvnw package -DskipTests -B
+
+# --- Etapa 2: runtime ---
+FROM eclipse-temurin:25-jre
+WORKDIR /app
+
+COPY --from=build /app/target/*.war app.war
+
+EXPOSE 8080
+ENTRYPOINT ["java", "-jar", "app.war"]