diff --git a/sth-backend/Dockerfile b/sth-backend/Dockerfile
index f60b244ec68bb166d6b6eb75fd135c580a3687ff..0e3fe56e94b20d05566b933cd3c637585cfbc8c3 100644
--- a/sth-backend/Dockerfile
+++ b/sth-backend/Dockerfile
@@ -1,10 +1,10 @@
-FROM openjdk:21
+FROM maven:3.9-eclipse-temurin-21-alpine
 
 WORKDIR /app
 
 COPY . .
 
-RUN  ./mvnw clean install -DskipTests
+RUN  mvn clean install -DskipTests
 
 EXPOSE 8080