adjsuted dockerfile

Dockerfile

@@ -1,15 +1,27 @@
 # Stage 1: Build the application with Maven
 FROM maven:3.9.5-eclipse-temurin-17 AS build
 WORKDIR /app
+
+# Copy the pom.xml from the root of your project. This is correct.
 COPY pom.xml .
-COPY src ./src
+
+# --- THIS IS THE CORRECTED LINE ---
+# Copy the source code from the 'demo/src' directory on your host
+# to the 'src' directory inside the container.
+COPY demo/src ./src
+
+# Run the Maven package command. Maven will now find pom.xml and the src folder.
 RUN mvn clean package
 
 # Stage 2: Create a lightweight runtime image
 FROM eclipse-temurin:17-jre-alpine
 WORKDIR /app
+
+# Copy the built JAR from the 'build' stage
 COPY --from=build /app/target/app.jar /app/app.jar
-# This is the port that your Javalin application will listen on
+
+# Expose the port the application will run on.
 EXPOSE 7860
-# Run the application
+
+# Command to run the application
 ENTRYPOINT ["java", "-jar", "/app/app.jar"]