Merge pull request #903 from keyboardio/docker-simplification

docker: Simplify the Dockerfile a little

bin/run-docker

@@ -16,5 +16,4 @@ docker build -t kaleidoscope/docker etc
 docker run --rm -it \
        -v "${BOARD_HARDWARE_PATH}/keyboardio:/kaleidoscope/hardware/keyboardio" \
        -v "$(pwd):/kaleidoscope/hardware/keyboardio/avr/libraries/Kaleidoscope" \
-       -e DOCKER_COMMAND="$*" \
+       kaleidoscope/docker -c "$*"
-       kaleidoscope/docker

etc/Dockerfile

@@ -17,4 +17,4 @@ RUN /usr/local/bin/arduino-cli core install arduino:avr
 VOLUME ["/kaleidoscope/hardware/keyboardio"]
 ENV BOARD_HARDWARE_PATH "/kaleidoscope/hardware"
 WORKDIR /kaleidoscope/hardware/keyboardio/avr/libraries/Kaleidoscope
-ENTRYPOINT ["/bin/bash", "-c", "eval \"${DOCKER_COMMAND}\""]
+ENTRYPOINT ["/bin/bash"]