Fix path in Dockerfile for www directory copy operation (#87)

* Fix path in Dockerfile for `www` directory copy operation

* Correct relative path for `www` directory in Dockerfile copy operation

Author: codebyNorthsteep

Dockerfile

@@ -11,6 +11,6 @@ RUN addgroup -S appgroup && adduser -S appuser -G appgroup
 WORKDIR /app/
 COPY --from=build /build/target/classes/ /app/
 COPY --from=build /build/target/dependency/ /app/dependencies/
-COPY /www/ /www/
+COPY www/ ./www/
 USER appuser
 ENTRYPOINT ["java", "-classpath", "/app:/app/dependencies/*", "org.example.App"]