Add Dockerfile for backend build and run stages

sravya251 · web-flow · commit d108feca135e · 2026-02-12T18:12:34.000+05:30
diff --git a/backend/Dockerfile b/backend/Dockerfile
@@ -0,0 +1,14 @@
+# ---------- BUILD STAGE ----------
+FROM maven:3.9.6-eclipse-temurin-21 AS build
+WORKDIR /app
+COPY pom.xml .
+RUN mvn -B -q -e -DskipTests dependency:go-offline
+COPY src ./src
+RUN mvn clean package -DskipTests
+
+# ---------- RUN STAGE ----------
+FROM eclipse-temurin:21-jre
+WORKDIR /app
+COPY --from=build /app/target/*.jar backend.jar
+EXPOSE 8081
+ENTRYPOINT ["java","-jar","backend.jar"]
