Update Dockerfile

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.6.6-slim
+FROM python:3.9.19-bookworm
 
 MAINTAINER <pjialin admin@pjialin.com>
 ENV TZ Asia/Shanghai
@@ -8,10 +8,10 @@ WORKDIR /code
 COPY requirements.txt .
 
 RUN apt-get update \
-    && apt-get install -y --no-install-recommends gcc python-dev libglib2.0-0 libsm6 libxext6 libxrender-dev \
+    && apt-get install -y --no-install-recommends gcc python-dev-is-python3 libglib2.0-0 libsm6 libxext6 libxrender-dev \
     && rm -rf /var/lib/apt/lists/* \
     && pip install --no-cache-dir -r requirements.txt \
-    && apt-get purge -y --auto-remove gcc python-dev
+    && apt-get purge -y --auto-remove gcc python-dev-is-python3
 
 COPY . .
 COPY config.toml.example config.toml