feat(ci): add Dockerfile and update CI configuration for DAST

Signed-off-by: Klagarge <remi@heredero.ch>

src/Dockerfile

@@ -0,0 +1,31 @@
+FROM python:3.10-slim
+LABEL  org.opencontainers.image.authors="remi.heredero@hevs.ch"
+
+RUN apt-get update && \
+    pip install --no-cache-dir -U pdm && \
+    rm -rf /var/lib/apt/lists/*
+
+
+ENV PATH="/root/.local/bin:$PATH" \
+    PDM_USE_VENV=false
+
+WORKDIR /app
+
+COPY src/pyproject.toml src/pdm.lock ./
+
+RUN pdm config python.use_venv false && \
+    pdm install
+
+ENV PYTHONPATH="/app/__pypackages__/3.9/lib" \
+    PATH="/app/__pypackages__/3.9/bin:$PATH"
+
+############################################################
+# Everything above should be imported from the test image, #
+# but GitLab can't pull it, so I copy-paste the content    #
+############################################################
+
+COPY src ./
+
+ENV FLASK_RUN_HOST=0.0.0.0
+
+CMD ["pdm", "run", "flask"]