fix -S in docker default command

Dockerfile

@@ -1,19 +1,17 @@
 FROM debian as builder
 LABEL maintainer michel.promonet@free.fr
-
 WORKDIR /v4l2rtspserver
 COPY . /v4l2rtspserver
 
-RUN apt-get update && apt-get install -y --no-install-recommends g++ autoconf automake libtool xz-utils cmake make liblog4cpp5-dev pkg-config git wget
-
-RUN cmake . && make install && apt-get clean && rm -rf /var/lib/apt/lists/
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends g++ autoconf automake libtool xz-utils cmake make liblog4cpp5-dev pkg-config git wget \
+    && cmake . && make install && apt-get clean && rm -rf /var/lib/apt/lists/
 
 FROM ubuntu:18.04
-
 WORKDIR /usr/local/share/v4l2rtspserver
 COPY --from=builder /usr/local/bin/ /usr/local/bin/
+COPY --from=builder /usr/local/share/v4l2rtspserver/ /usr/local/share/v4l2rtspserver/
 
 EXPOSE 8554
-
 ENTRYPOINT [ "/usr/local/bin/v4l2rtspserver" ]
-CMD [ "-S -P ${PORT}" ]
+CMD [ "-S" ]

Dockerfile.rpi

@@ -1,10 +1,10 @@
 FROM debian as builder
 LABEL maintainer michel.promonet@free.fr
-
 WORKDIR /v4l2rtspserver
 COPY . /v4l2rtspserver
 
-RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates g++ autoconf automake libtool xz-utils cmake make liblog4cpp5-dev pkg-config git wget \
+RUN apt-get update \
+        && apt-get install -y --no-install-recommends ca-certificates g++ autoconf automake libtool xz-utils cmake make liblog4cpp5-dev pkg-config git wget \
         && wget -qO- https://releases.linaro.org/components/toolchain/binaries/6.4-2018.05/arm-linux-gnueabihf/gcc-linaro-6.4.1-2018.05-x86_64_arm-linux-gnueabihf.tar.xz  | tar xJ \
 	&& export PATH=$(pwd)/gcc-linaro-6.4.1-2018.05-x86_64_arm-linux-gnueabihf/bin:$PATH \
         && cmake -DCMAKE_TOOLCHAIN_FILE=raspberry.toolchain . && make install \
@@ -12,11 +12,10 @@ RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates
 
 
 FROM balenalib/rpi-raspbian
-
 WORKDIR /usr/local/share/v4l2rtspserver
 COPY --from=builder /usr/local/bin/ /usr/local/bin/
+COPY --from=builder /usr/local/share/v4l2rtspserver/ /usr/local/share/v4l2rtspserver/
 
 EXPOSE 8554
-
 ENTRYPOINT [ "/usr/local/bin/v4l2rtspserver" ]
-CMD [ "-S -P ${PORT}" ]
+CMD [ "-S" ]