Index: backend/Dockerfile
===================================================================
--- backend/Dockerfile	(revision 545738f221bcda7888ec3b35279f55d0f80c4faa)
+++ backend/Dockerfile	(revision 545738f221bcda7888ec3b35279f55d0f80c4faa)
@@ -0,0 +1,11 @@
+FROM maven:3.9-eclipse-temurin-21 AS build
+WORKDIR /app
+COPY pom.xml .
+RUN mvn dependency:go-offline -q
+COPY src ./src
+RUN mvn package -DskipTests -q
+
+FROM eclipse-temurin:21-jre
+WORKDIR /app
+COPY --from=build /app/target/backend-0.0.1-SNAPSHOT.jar app.jar
+ENTRYPOINT ["java", "-jar", "app.jar"]