fix: replace vulnerable container bases and release v0.1.21

deploy/Dockerfile.runtime-update

@@ -1,33 +0,0 @@
-# Reuse a reviewed image only when the locked Python dependencies are identical.
-# For a fresh installation use the repository's main Dockerfile instead.
-ARG BASE_IMAGE
-FROM ${BASE_IMAGE} AS prepared
-# Cleanup runs only in the disposable preparation stage.
-USER 0
-COPY requirements.lock /app/requirements.expected.lock
-RUN python -c "from pathlib import Path; assert Path('/app/requirements.lock').read_bytes() == Path('/app/requirements.expected.lock').read_bytes(), 'Dependency lock changed; use the full Dockerfile'"
-COPY pigway_frame_flow /app/pigway_frame_flow
-COPY vendor /app/vendor
-COPY LICENSE NOTICE.md /app/
-# Publish only the cleaned filesystem, without retaining build-stage layers.
-RUN rm -rf /usr/local/lib/python*/site-packages/pip \
-      /usr/local/lib/python*/site-packages/pip-*.dist-info \
-      /usr/local/lib/python*/ensurepip \
-    && rm -f /usr/local/bin/pip /usr/local/bin/pip[0-9]* \
-    && find / -name .DS_Store -type f -delete
-
-FROM scratch
-COPY --from=prepared / /
-ENV PATH=/usr/local/bin:/usr/local/sbin:/usr/sbin:/usr/bin:/sbin:/bin LANG=C.UTF-8
-ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1 TZ=Asia/Shanghai \
-    DATA_DIR=/data CONFIG_DIR=/config
-WORKDIR /app
-USER 10333:10333
-EXPOSE 18787
-HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
-    CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:18787/health',timeout=3)"
-CMD ["python", "-m", "uvicorn", "pigway_frame_flow.main:app", "--host", "0.0.0.0", "--port", "18787", "--workers", "1", "--no-access-log"]
-ARG BUILD_COMMIT
-ARG BUILD_TIME
-ENV BUILD_COMMIT=$BUILD_COMMIT BUILD_TIME=$BUILD_TIME
-LABEL org.opencontainers.image.title="PIGWay Frame Flow" org.opencontainers.image.version="0.1.19" org.opencontainers.image.revision=$BUILD_COMMIT

deploy/build-cn.env

@@ -1,5 +1,3 @@
-# Shared mainland-China build profile; source this file before Compose builds.
-# Nonempty environment / Gitea repository variables override these defaults.
-DEBIAN_MIRROR=${DEBIAN_MIRROR:-mirrors.tuna.tsinghua.edu.cn}
-DEBIAN_SECURITY_MIRROR=${DEBIAN_SECURITY_MIRROR:-mirrors.tuna.tsinghua.edu.cn}
-export DEBIAN_MIRROR DEBIAN_SECURITY_MIRROR
+# Shared mainland-China build profile; source before Compose builds.
+ALPINE_MIRROR=${ALPINE_MIRROR:-mirrors.tuna.tsinghua.edu.cn}
+export ALPINE_MIRROR