diff --git a/support-portal-backend/Dockerfile b/support-portal-backend/Dockerfile
index 7b1dfbe..1fc1315 100644
--- a/support-portal-backend/Dockerfile
+++ b/support-portal-backend/Dockerfile
@@ -1,21 +1,15 @@
-FROM maven:3.9.4-eclipse-temurin-11 AS builder
+FROM --platform=$BUILDPLATFORM maven:3.8.5-eclipse-temurin-17 AS builder
 WORKDIR /workdir/server
-
-# Copy only pom.xml first to leverage Docker cache
-COPY pom.xml .
-
-# Download dependencies (including parent POM)
+COPY pom.xml /workdir/server/pom.xml
 RUN mvn dependency:go-offline
 
-# Now copy the source code
-COPY src ./src
-
-# Package application
+COPY src /workdir/server/src
 RUN mvn package -Dmaven.test.skip=true
 RUN ls -la target/
 
-FROM eclipse-temurin:11-jre-focal
+FROM eclipse-temurin:17-jre-focal
+
 EXPOSE 8080
 VOLUME /tmp
 COPY --from=builder /workdir/server/target/*.jar /app/app.jar
-ENTRYPOINT ["java","-jar","/app/app.jar"]
+ENTRYPOINT ["java","-jar","/app/app.jar"]
\ No newline at end of file