feat(CI): add custom docker for CI

Refs: #4
Signed-off-by: Klagarge <remi@heredero.ch>

Dockerfile

@@ -0,0 +1,23 @@
+FROM python:3.9-slim
+LABEL maintener="Rémi Heredero <remi.heredero@hevs.ch>"
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends curl && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN curl -sSL https://pdm-project.org/install-pdm.py | python3 -
+
+ENV PATH="/root/.local/bin:$PATH" \
+    PDM_USE_VENV=false
+
+WORKDIR /app
+
+COPY src/pyproject.toml src/pdm.lock ./
+
+RUN pdm config python.use_venv false && \
+    pdm install -G:all
+
+ENV PATH="/root/.local/bin:$PATH" \
+    PDM_USE_VENV=false \
+    PYTHONPATH="/app/__pypackages__/3.9/lib" \
+    PATH="/app/__pypackages__/3.9/bin:$PATH"