博客应用：Flask + Dockerfile + K8s 清单 + Jenkinsfile

Dockerfile

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+FROM python:3.12-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    DATA_DIR=/data \
+    PORT=5000
+
+WORKDIR /app
+
+# 用清华源加速，构建时不需要翻墙
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt \
+      -i https://pypi.tuna.tsinghua.edu.cn/simple
+
+COPY app.py .
+
+RUN useradd -r -u 10001 blog && mkdir -p /data && chown -R blog /data /app
+USER blog
+
+EXPOSE 5000
+CMD ["python", "app.py"]