Add Dockerfile

Dockerfile

@@ -0,0 +1,29 @@
+# Use an appropriate base image with JDK 21
+FROM openjdk:21-jdk-slim AS build
+
+WORKDIR /app
+
+# Copy the Maven wrapper and POM file
+COPY mvnw .
+COPY .mvn .mvn
+COPY pom.xml .
+
+# Install Maven dependencies
+RUN ./mvnw dependency:go-offline
+
+# Copy the source code
+COPY src ./src
+
+# Build the application
+RUN ./mvnw clean package -DskipTests
+
+# Use a smaller image for the runtime
+FROM openjdk:21-jdk-slim
+
+WORKDIR /app
+
+# Copy the built jar file from the build stage
+COPY --from=build /app/target/*.jar app.jar
+
+# Run the application
+ENTRYPOINT ["java", "-jar", "app.jar"]