autocomit

backend/Dockerfile

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+# Multi-stage build for Spring Boot backend
+FROM maven:3.9-eclipse-temurin-17-alpine AS build
+
+WORKDIR /app
+
+# Copy pom.xml and download dependencies (cached layer)
+COPY pom.xml .
+RUN mvn dependency:go-offline -B
+
+# Copy source code and build
+COPY src ./src
+RUN mvn clean package -DskipTests
+
+# Runtime stage
+FROM eclipse-temurin:17-jre-alpine
+
+WORKDIR /app
+
+# Copy JAR from build stage
+COPY --from=build /app/target/*.jar app.jar
+
+# Expose port
+EXPOSE 8080
+
+# Run the application
+ENTRYPOINT ["java", "-jar", "app.jar"]