Applied PR reviews

Author: alirezazd

Dockerfile

@@ -1,35 +1,29 @@
 FROM ubuntu:20.04
+ARG DEBIAN_FRONTEND=noninteractive
 # set out workspace
 ENV WORKSPACE=/workspace
 RUN mkdir -p ${WORKSPACE}
-VOLUME ${WORKSPACE}
 WORKDIR ${WORKSPACE}
-# Set environment variables
-ARG GIT_SSL_NO_VERIFY=1
-ARG DEBIAN_FRONTEND=noninteractive
+COPY . ${WORKSPACE}
 # Install and cleanup is done in one command to minimize the build cache size
 RUN apt-get update -qq \
-    && apt-get -y install --no-install-recommends \
+# Extract package names from install_apt_packages.sh
+    && sed '/sudo/d' install_apt_packages.sh | sed '/#/d' | sed 's/ \\//g' | sed '/^$/d' | sed '/^[[:space:]]*$/d' \
+# Install packages
+    | xargs apt-get -y install --no-install-recommends \
 # Additional packages not listed in install_apt_packages.sh
+    && apt-get -y install --no-install-recommends \
     wget \
-    git \
     ninja-build \
     libeigen3-dev \
     libtbb-dev \
     python3-pip \
-# Clone VTR repo
-    && git clone https://github.com/verilog-to-routing/vtr-verilog-to-routing.git . \
-# Extract package names from install_apt_packages.sh
-    && sed '/sudo/d' install_apt_packages.sh | sed '/#/d' | sed 's/ \\//g' | sed '/^$/d' | sed '/^[[:space:]]*$/d' \
-# Install packages
-    | xargs apt-get -y install --no-install-recommends \
+# Install python packages
+    && pip install -r requirements.txt \
 # Cleanup
     && apt-get autoclean && apt-get clean && apt-get -y autoremove \
     && rm -rf /var/lib/apt/lists/*
-# Install python packages
-RUN pip install -r requirements.txt
 # Build VTR
-RUN make \
-&& make install
+RUN make && make install
 # Container's default launch command
-CMD [ "/bin/bash" ]
+SHELL ["/bin/bash", "-c"]