部署含ODBC驱动的Flask应用（基于tiangolo/uwsgi-nginx:python3.7）后服务未启动

使用tiangolo/uwsgi-nginx:python3.7镜像部署Flask应用，未安装ODBC驱动时服务运行正常，但添加ODBC驱动安装步骤后，镜像构建成功但服务无法启动。

Dockerfile 内容 #

#Base Docker image with uWSGI and Nginx for Flask applications in a single container
FROM tiangolo/uwsgi-nginx:python3.7

#By default, the application runs on port 80, you can choose a different port by uncommenting the LISTEN PORT and EXPOSE
ENV LISTEN_PORT 5000

EXPOSE 5000
# URL under which static (not modified by Python) files will be requested
# They will be served by Nginx directly, without being handled by uWSGI
ENV STATIC_URL /static
# Absolute path in where the static files wil be
ENV STATIC_PATH /app/static
# If STATIC_INDEX is 1, serve / with /static/index.html directly (or the static URL configured in this case it will be 0)
# ENV STATIC_INDEX 1
ENV STATIC_INDEX 0

# Add app
COPY ./classes /app/classes/
COPY ./models /app/models/
COPY ./config /app/config/
COPY ./microservices /app/microservices/
COPY ./templates /app/templates/
COPY ./main.py /app/main.py
COPY ./inputs /app/inputs/

# Add API files
COPY ./uwsgi.ini /app/uwsgi.ini
COPY ./requirements.txt /app/requirements.txt

# Define working directory
WORKDIR /app

ENV FLASK_DEBUG 1

ENV FLASK_ENV development
ENV INPUT_PATH=/app/inputs

# Install requirements
RUN /usr/local/bin/python -m pip install --upgrade pip
RUN pip3 install -r requirements.txt
#RUN pip install --no-cache-dir -r requirements.txt

# Install ODBC Driver
ENV ACCEPT_EULA=Y
RUN apt-get update -y && apt-get update \
  && apt-get install -y --no-install-recommends curl gcc g++ gnupg unixodbc-dev

RUN curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add - 
RUN curl https://packages.microsoft.com/config/debian/10/prod.list > /etc/apt/sources.list.d/mssql-release.list 
RUN apt-get update 
RUN mv /etc/apt/sources.list.d/mssql-release.list ~/
RUN apt-get update
RUN apt-get install unixodbc
RUN mv ~/mssql-release.list /etc/apt/sources.list.d/
RUN apt-get update
RUN apt-get install -y msodbcsql17
RUN apt-get install -y mssql-tools
RUN echo 'export PATH="$PATH:/opt/mssql-tools/bin"' >> ~/.bash_profile 
RUN echo 'export PATH="$PATH:/opt/mssql-tools/bin"' >> ~/.bashrc

# Make /app/* available to be imported by Python globally to better support several use cases like Alembic migrations.
ENV PYTHONPATH=/app

# Move the base entrypoint to reuse it
RUN mv /entrypoint.sh /uwsgi-nginx-entrypoint.sh

# Copy the entrypoint that will generate Nginx additional configs
COPY ./entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]

# Run the start script provided by the parent image tiangolo/uwsgi-nginx which in turn will start Nginx and uWSGI
CMD ["/start.sh"]

entrypoint.sh 内容 #

#! /usr/bin/env sh
set -e
/uwsgi-nginx-entrypoint.sh
# Get the URL for static files from the environment variable
USE_STATIC_URL=${STATIC_URL:-'/static'}
# Get the absolute path of the static files from the environment variable
USE_STATIC_PATH=${STATIC_PATH:-'/app/static'}
# Get the listen port for Nginx, default to 80
USE_LISTEN_PORT=${LISTEN_PORT:-80}
if [ -f /app/nginx.conf ]; then
cp /app/nginx.conf /etc/nginx/nginx.conf
else
content_server='server {\n'
content_server=$content_server"    listen ${USE_LISTEN_PORT};\n"
content_server=$content_server'    location / {\n'
content_server=$content_server'        try_files $uri @app;\n'
content_server=$content_server'    }\n'
content_server=$content_server'    location @app {\n'
content_server=$content_server'        include uwsgi_params;\n'
content_server=$content_server'        uwsgi_pass unix:///tmp/uwsgi.sock;\n'
content_server=$content_server'    }\n'
content_server=$content_server"    location $USE_STATIC_URL {\n"
content_server=$content_server"        alias $USE_STATIC_PATH;\n"
content_server=$content_server'    }\n'
# If STATIC_INDEX is 1, serve / with /static/index.html directly (or the static URL configured)
if [ "$STATIC_INDEX" = 1 ] ; then
content_server=$content_server'    location = / {\n'
content_server=$content_server"        index $USE_STATIC_URL/index.html;\n"
content_server=$content_server'    }\n'
fi
content_server=$content_server'}\n'
# Save generated server /etc/nginx/conf.d/nginx.conf
printf "$content_server" > /etc/nginx/conf.d/nginx.conf
fi
# For Alpine:
# Explicitly add installed Python packages and uWSGI Python packages to PYTHONPATH
# Otherwise uWSGI can't import Flask
if [ -n "$ALPINEPYTHON" ] ; then
export PYTHONPATH=$PYTHONPATH:/usr/local/lib/$ALPINEPYTHON/site-packages:/usr/lib/$ALPINEPYTHON/site-packages
fi
exec "$@"

内容的提问来源于stack exchange，提问作者arnau infante pinés