fix(Dockerfile): clean up build arguments and install dependencies (#40)

- Remove unused BUILD_CN argument
- Update apt sources conditionally
- Install system dependencies in one step

Co-authored-by: Haihui.Wang <[email protected]>

Author: HaiHui886

Dockerfile

@@ -1,8 +1,5 @@
 ARG PYTHON_IMAGE=docker.io/python:3.10.14
-ARG BUILD_CN=false
-
 FROM ${PYTHON_IMAGE}
-# FROM python:3.10.14
 
 # prepare the java env
 WORKDIR /opt
@@ -17,15 +14,16 @@ ENV JAVA_HOME=/opt/jdk
 
 WORKDIR /dataflow
 
+# install 3rd-party system dependencies
+# RUN apt-get update && apt-get install ffmpeg libsm6 libxext6  libpq-dev -y
+ARG BUILD_CN=false
 RUN if [ "$BUILD_CN" = "true" ]; then \
+      rm -rf /etc/apt/sources.list.d/debian.sources || true; \
       echo "deb http://mirrors.aliyun.com/debian bookworm main contrib non-free" > /etc/apt/sources.list; \
       echo "deb http://mirrors.aliyun.com/debian-security bookworm-security main contrib non-free" >> /etc/apt/sources.list; \
       echo "deb http://mirrors.aliyun.com/debian bookworm-updates main contrib non-free" >> /etc/apt/sources.list; \
-    fi
-
-# install 3rd-party system dependencies
-# RUN apt-get update && apt-get install ffmpeg libsm6 libxext6  libpq-dev -y
-RUN apt-get update && \
+    fi && \
+    apt-get update && \
     apt-get install --no-install-recommends -y \
       libpq-dev \
       libgl1-mesa-glx \
@@ -58,4 +56,3 @@ RUN git config --global user.email "[email protected]" && \
 
 # Start fastapi API Server
 EXPOSE 8000
-