我正在创建一个html Web表单，我希望从中将数据存储到本地计算机中。在运行程序时，它可以在我的本地计算机上正常工作。
当我将程序推送到Heroku平台时，它会失败。
----main file
-------Procfile
-------requirements.txt
-------runtime.txt
-------main.py
-------static
----templates
------index.html
----static
------index_css.css
Procfile：
web: gunicorn main:app
要求：
flask==1.1.1
flask-mysqldb==0.2.0
gunicorn==19.9.0
pyodbc==4.0.30
运行时：
python-3.7.2
在Heroku PLatform上部署它时出错：
Building wheel for pyodbc (setup.py): started
Building wheel for pyodbc (setup.py): finished with status 'error'
ERROR: Command errored out with exit status 1:
command: /app/.heroku/python/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-q2igx1jr/pyodbc/setup.py'"'"'; __file__='"'"'/tmp/pip-install-q2igx1jr/pyodbc/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-8r1wqs6z
cwd: /tmp/pip-install-q2igx1jr/pyodbc/
Complete output (16 lines):
/app/.heroku/python/lib/python3.7/distutils/dist.py:274: UserWarning: Unknown distribution option: 'long_description_content_type'
warnings.warn(msg)
running bdist_wheel
running build
running build_ext
building 'pyodbc' extension
creating build
creating build/temp.linux-x86_64-3.7
creating build/temp.linux-x86_64-3.7/src
gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -DPYODBC_VERSION=4.0.30 -I/app/.heroku/python/include/python3.7m -c src/buffer.cpp -o build/temp.linux-x86_64-3.7/src/buffer.o -Wno-write-strings
In file included from src/buffer.cpp:12:0:
src/pyodbc.h:56:10: fatal error: sql.h: No such file or directory
#include <sql.h>
^~~~~~~
compilation terminated.
error: command 'gcc' failed with exit status 1
----------------------------------------
ERROR: Failed building wheel for pyodbc
Running setup.py clean for pyodbc
Building wheel for mysqlclient (setup.py): started
Building wheel for mysqlclient (setup.py): finished with status 'done'
Created wheel for mysqlclient: filename=mysqlclient-2.0.0-cp37-cp37m-linux_x86_64.whl size=100868 sha256=ffd0776f2d39a5405cc1ac1465a08f48ee9da558c172105866f17378a6edebbd
Stored in directory: /tmp/pip-ephem-wheel-cache-5xsag9fy/wheels/80/87/ff/4ea9d03e0a265ef3a4a0cdf0cf1e4786c37665c4015b2ece83
Successfully built flask-mysqldb mysqlclient
Failed to build pyodbc
Installing collected packages: Werkzeug, click, itsdangerous, MarkupSafe, Jinja2, flask, mysqlclient, flask-mysqldb, gunicorn, pyodbc
Running setup.py install for pyodbc: started
Running setup.py install for pyodbc: finished with status 'error'
ERROR: Command errored out with exit status 1:
command: /app/.heroku/python/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-q2igx1jr/pyodbc/setup.py'"'"'; __file__='"'"'/tmp/pip-install-q2igx1jr/pyodbc/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-oz00635z/install-record.txt --single-version-externally-managed --compile --install-headers /app/.heroku/python/include/python3.7m/pyodbc
cwd: /tmp/pip-install-q2igx1jr/pyodbc/
Complete output (16 lines):
/app/.heroku/python/lib/python3.7/distutils/dist.py:274: UserWarning: Unknown distribution option: 'long_description_content_type'
warnings.warn(msg)
running install
running build
running build_ext
building 'pyodbc' extension
creating build
creating build/temp.linux-x86_64-3.7
creating build/temp.linux-x86_64-3.7/src
gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -DPYODBC_VERSION=4.0.30 -I/app/.heroku/python/include/python3.7m -c src/buffer.cpp -o build/temp.linux-x86_64-3.7/src/buffer.o -Wno-write-strings
In file included from src/buffer.cpp:12:0:
src/pyodbc.h:56:10: fatal error: sql.h: No such file or directory
#include <sql.h>
^~~~~~~
compilation terminated.
error: command 'gcc' failed with exit status 1
----------------------------------------
ERROR: Command errored out with exit status 1: /app/.heroku/python/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-q2igx1jr/pyodbc/setup.py'"'"'; __file__='"'"'/tmp/pip-install-q2igx1jr/pyodbc/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-oz00635z/install-record.txt --single-version-externally-managed --compile --install-headers /app/.heroku/python/include/python3.7m/pyodbc Check the logs for full command output.
Push rejected, failed to compile Python app.
Push failed
我对Heroku还是很陌生，我不知道如何解决此错误。