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Docker 部署 Dash 应用

发表于 分类于 阅读次数： Valine： 
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FROM python:3.7.3
COPY . /app/dash_app

# Set up Oracle
WORKDIR    /opt/oracle
RUN apt-get update && apt-get install -y libaio1 wget unzip \
    && cp /app/dash_app/oracle_configs/instantclient-basic-linux.x64-12.2.0.1.0.zip . \
    && unzip instantclient-basic-linux.x64-12.2.0.1.0.zip \
    && rm -f instantclient-basic-linux.x64-12.2.0.1.0.zip \
    && cd /opt/oracle/instantclient* \
    && rm -f *jdbc* *occi* *mysql* *README *jar uidrvci genezi adrci \
    && echo /opt/oracle/instantclient* > /etc/ld.so.conf.d/oracle-instantclient.conf \
    && ldconfig \
    && mkdir -p /opt/oracle/instantclient_12_2/network/admin \
    && cp /app/dash_app/oracle_configs/tnsnames.ora /opt/oracle/instantclient_12_2/network/admin/ \
    && cp /app/dash_app/oracle_configs/sqlnet.ora /opt/oracle/instantclient_12_2/network/admin/

# Set work dir
WORKDIR "/app/dash_app"
# Install python packages
# RUN pip install -r /app/dash_app/requirements.txt -i https://mirrors.aliyun.com/pypi/simple/
RUN pip install -r /app/dash_app/requirements.txt
# Expose port
EXPOSE 8050
CMD [ "gunicorn","run:server","-c","./gunicorn.conf.py"]

Dash 应用还需要一个 WSGI 服务，这里使用 gunicorn，它需要一个配置文件 gunicorn.conf.py ，其文件内容参考：

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workers = 5
workers_class = "gevent"
bind = "0.0.0.0:8050"