ci: 修改默认pip安装包路径，使用data目录并去掉volume

installer/Dockerfile

@@ -52,16 +52,14 @@ ENV LANG=en_US.UTF-8 \
 
 ENV POSTGRES_USER root
 ENV POSTGRES_PASSWORD Password123@postgres
-ENV PIP_TARGET /opt/maxkb/site-packages
+ENV PIP_TARGET /var/lib/postgresql/data/site-packages
 ENV PYTHONPATH $PIP_TARGET:$PYTHONPATH
 
 RUN chmod 755 /opt/maxkb/app/installer/run-maxkb.sh && \
     cp -r /opt/maxkb/model/base/hub /opt/maxkb/model/tokenizer && \
     cp -f /opt/maxkb/app/installer/run-maxkb.sh /usr/bin/run-maxkb.sh && \
     cp -f /opt/maxkb/app/installer/init.sql /docker-entrypoint-initdb.d
 
-VOLUME [ "$PIP_TARGET" ]
-
 EXPOSE 8080
 
 ENTRYPOINT ["bash", "-c"]