phase 1

backend/Dockerfile

@@ -0,0 +1,19 @@
+# Multi-stage Build für das Effigenix-Backend.
+# Genutzt vom E2E-Test-Stack (test-automation/docker-compose.e2e.yml).
+
+FROM maven:3.9-eclipse-temurin-21-alpine AS build
+WORKDIR /app
+
+# Dependency-Layer cachen
+COPY pom.xml .
+RUN mvn dependency:go-offline -q
+
+# Source kompilieren und paketieren (Tests überspringen)
+COPY src ./src
+RUN mvn package -DskipTests -q
+
+# Schlankes Runtime-Image
+FROM eclipse-temurin:21-jre-alpine
+WORKDIR /app
+COPY --from=build /app/target/*.jar app.jar
+ENTRYPOINT ["java", "-jar", "app.jar"]