transfer from private server/git server

web/Dockerfile

@@ -1,8 +1,21 @@
-FROM python:3.11
+# syntax=docker/dockerfile:1
+FROM python:3.11-slim
 
-WORKDIR /web
-COPY . /web
+# libmagic1 : bibliothèque système requise par python-magic (détection MIME
+# par analyse binaire, étape 3 du module fichiers).
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends libmagic1 \
+    && rm -rf /var/lib/apt/lists/*
 
-RUN pip install flask flask_sqlalchemy pymysql authlib requests
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
 
-CMD ["python", "app.py"]
+COPY . .
+
+EXPOSE 5000
+
+# Gunicorn multi-worker en production (Bloc 1 - C6 : workers = 2*CPU + 1).
+# GUNICORN_CMD_ARGS permet de surcharger la config sans reconstruire l'image.
+CMD ["gunicorn", "--workers=4", "--worker-class=gthread", "--threads=2", \
+     "--bind=0.0.0.0:5000", "app:app"]