new file: Dockerfile

new file:   app.py
	new file:   requirements.txt

Dockerfile

@@ -0,0 +1,30 @@
+FROM python:3.10-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    PORT=5000
+
+WORKDIR /app
+
+# Keep image minimal; add build tools only if future deps require them
+RUN apt-get update -y && apt-get install -y --no-install-recommends \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install dependencies (better layer caching)
+COPY requirements.txt ./
+RUN pip install --upgrade pip && pip install -r requirements.txt
+
+# Copy application code
+COPY app.py ./
+COPY templates ./templates
+COPY static ./static
+
+# Environment variables from Coolify (if used)
+ENV DEMO=$DEMO
+
+EXPOSE 5000
+
+# Production server (use shell form so $PORT expands in Coolify)
+CMD gunicorn -w ${WEB_CONCURRENCY:-3} -b 0.0.0.0:${PORT:-5000} app:app