chore: reorder commands and cleanup

This also fixes the ability to run `make` commands again, since we're in
the correct `WORKDIR` after the compilation step.

Signed-off-by: Mike Fiedler <miketheman@gmail.com>

Author: miketheman

Dockerfile

@@ -13,9 +13,6 @@ ENV PYTHONPATH /app
 # test dependencies.
 ARG DEVEL=no
 
-# Copy local code to the container image.
-WORKDIR /app
-
 # Install System level requirements, this is done before everything else
 # because these are rarely ever going to change.
 RUN set -x \
@@ -27,15 +24,17 @@ RUN set -x \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 # Install pycdc and pycdas...
-RUN git clone "https://github.com/zrax/pycdc.git"
-
-WORKDIR ./pycdc
-RUN cmake .
-RUN cmake --build . --config release
-RUN mv ./pycdc /usr/local/bin
-RUN mv ./pycdas /usr/local/bin
-RUN rm -rf ./pycdc
+WORKDIR /tmp
+RUN git clone "https://github.com/zrax/pycdc.git" && \
+    cd pycdc && \
+    cmake . && \
+    cmake --build . --config release && \
+    mv ./pycdc /usr/local/bin && \
+    mv ./pycdas /usr/local/bin && \
+    cd .. && rm -rf ./pycdc
 
+# Copy local code to the container image.
+WORKDIR /app
 # Copy in requirements files
 COPY ./requirements ./requirements