Docker: do not copy folder into image and simplify command

The image should not contain the code, only the programs needed to
build. This ensures only one image is build.

Dockerfile

@@ -6,7 +6,5 @@ RUN pacman -Syyu git --noconfirm
 RUN pacman -Syyu python-pip --noconfirm
 RUN pacman -Syyu python-crcmod --noconfirm
 WORKDIR /app
-COPY . .
 
-RUN git submodule update --init --recursive
 #RUN make && cp firmware* compiled-firmware/

compile-with-docker.bat

@@ -1,4 +1,4 @@
 @echo off
 docker build -t uvk5 .
-docker run --rm -v %CD%\compiled-firmware:/app/compiled-firmware uvk5 /bin/bash -c "cd /app && make clean && make && cp firmware* compiled-firmware/"
-pause
+docker run --rm -v %CD%:/app/ uvk5 /bin/bash -c "make clean && make -j2"
+pause

compile-with-docker.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
 docker build -t uvk5 .
-docker run --rm -v ${PWD}/compiled-firmware:/app/compiled-firmware uvk5 /bin/bash -c "cd /app && make && cp firmware* compiled-firmware/"
+docker run --rm -v ${PWD}:/app/ uvk5 /bin/bash -c "make clean && make -j2"