fixed the docker build process by installing pip manually

dockerfile-nogit

@@ -11,9 +11,13 @@ WORKDIR /havoc/firmware
 
 # Fetch dependencies from APT
 RUN apt-get update && \
-	apt-get install -y git tar wget dfu-util cmake python3 python-pip ccache && \
+	apt-get install -y git tar wget dfu-util cmake python3 ccache curl && \
 	apt-get -qy autoremove
 
+#Install pip from PyPa
+RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
+	python get-pip.py
+
 RUN pip install pyyaml
 
 # Grab the GNU ARM toolchain from arm.com
@@ -28,4 +32,4 @@ RUN mkdir ~/bin && cd ~/bin && \
 	for tool in gcc g++ cpp c++;do ln -s $(which ccache) arm-none-eabi-$tool;done
 
 CMD cd .. && cd build && \
-    cmake .. && make firmware
+    cmake .. && make firmware