fix

Dockerfile

@@ -3,7 +3,7 @@ RUN apt update && \
 	apt -y install build-essential && \
 	rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-COPY ./udpflood /usr/src/app/
+COPY ./udpflood /usr/src/app
 WORKDIR /usr/src/app
 RUN make -j$(nproc)