Set PYTHONDONTWRITEBYTECODE in dockerfiles.

docker/dockerfiles/bedrock_base

@@ -17,6 +17,7 @@ RUN pip install -r requirements/pip.txt
 
 # Install app
 COPY ./bin/peep.py /app/bin/peep.py
+ENV PYTHONDONTWRITEBYTECODE=1
 RUN ./bin/peep.py install --no-cache-dir -r requirements/dev.txt
 RUN ./bin/peep.py install --no-cache-dir -r requirements/prod.txt
 RUN ./bin/peep.py install --no-cache-dir -r requirements/docker.txt