支持灰度构建选择 Debian 国内镜像源

Dockerfile

@@ -6,7 +6,11 @@ ENV PYTHONUNBUFFERED=1 \
     PIP_DISABLE_PIP_VERSION_CHECK=1
 WORKDIR /app
 COPY requirements.txt ./
-RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg \
+ARG DEBIAN_MIRROR=https://deb.debian.org
+RUN case "$DEBIAN_MIRROR" in https://deb.debian.org|https://mirrors.tuna.tsinghua.edu.cn) ;; *) exit 2;; esac \
+    && sed -i "s|http://deb.debian.org|$DEBIAN_MIRROR|g" /etc/apt/sources.list.d/debian.sources \
+    && apt-get -o Acquire::Retries=2 -o Acquire::https::Timeout=30 update \
+    && apt-get -o Acquire::Retries=2 -o Acquire::https::Timeout=30 install -y --no-install-recommends ffmpeg \
     && rm -rf /var/lib/apt/lists/*
 RUN python -m pip install --no-cache-dir -r requirements.txt \
     && groupadd --gid 10001 baiyue \