Use virtualenv

.gitlab-ci.yml

@@ -57,7 +57,7 @@ security_scanner:
   script:
     - set -x
     - export GITLAB_URL="$(echo "$CI_PROJECT_URL" | grep -Eo '^https?://[^/]*')"
-    - python3 -m security_scanner $target
+    - /code/venv/bin/python -m security_scanner $target
   only:
     refs:
       - schedules

security-scanner/Dockerfile

@@ -7,14 +7,17 @@ RUN apt-get update \
 		python3 \
 		python3-apt \
 		python3-pip \
+		python3-venv \
 	&& rm -rf /var/lib/apt/lists/*
 
 COPY setup.py /code/setup.py
 
 WORKDIR /code
 
-RUN pip3 install -e .
+RUN python3 -m venv --system-site-packages venv
+
+RUN venv/bin/pip install -e .
 
 ADD . /code
 
-RUN python3 setup.py install
+RUN venv/bin/python setup.py install