Merge pull request #37 from devcavin/devcavin-patch-1

Upgrade Docker base image to Eclipse Temurin 25

Author: devcavin

backend/Dockerfile

@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-jdk-alpine AS build
+FROM eclipse-temurin:25-jdk-alpine AS build
 WORKDIR /app
 
 COPY gradlew settings.gradle.kts build.gradle.kts ./
@@ -8,7 +8,7 @@ RUN chmod +x gradlew && ./gradlew dependencies --no-daemon || true
 COPY src ./src
 RUN ./gradlew bootJar --no-daemon -x test
 
-FROM eclipse-temurin:21-jre-alpine
+FROM eclipse-temurin:25-jre-alpine
 WORKDIR /app
 
 RUN addgroup -S gatelog && adduser -S gatelog -G gatelog
@@ -17,4 +17,4 @@ USER gatelog
 COPY --from=build --chown=gatelog:gatelog /app/build/libs/*.jar app.jar
 EXPOSE 8080
 
-ENTRYPOINT [ "java", "-jar", "/app/app.jar" ]
+ENTRYPOINT [ "java", "-jar", "/app/app.jar" ]