new file: .dockerignore

new file:   Dockerfile
	new file:   __pycache__/app.cpython-310.pyc
	new file:   app.py
	new file:   requirements.txt
	new file:   static/css/style.css
	new file:   templates/base.html
	new file:   templates/index.html
	new file:   templates/weather.html

Dockerfile

@@ -0,0 +1,33 @@
+# DWD Wetter
+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends curl \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 5000
+
+ENV PYTHONUNBUFFERED=1
+ENV FLASK_APP=app.py
+ENV FLASK_ENV=production
+
+# Non-root user
+RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
+USER appuser
+
+# 4 workers, 120s timeout (DWD requests can be slow)
+CMD ["gunicorn", \
+     "--bind", "0.0.0.0:5000", \
+     "--workers", "4", \
+     "--timeout", "120", \
+     "--keep-alive", "5", \
+     "--access-logfile", "-", \
+     "--error-logfile", "-", \
+     "app:app"]
+