我正在配置 Docker 以使用 Django，但我在运行 Docker 时遇到问题，这可能是 Psycopg 问题，我应该如何解决这个问题？
我的码头工人错误：
Uninstalling psycopg2-2.8.4:
Successfully uninstalled psycopg2-2.8.4
Running setup.py install for psycopg2: started
Running setup.py install for psycopg2: finished with status 'error'
ERROR: Command errored out with exit status 1:
command: /usr/local/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-71k484j0/psycopg2/setup.py'"'"'; __file__='"'"'/tmp/pip-install-71k484j0/psycopg2/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-klbk9cly/install-record.txt --single-version-externally-managed --compile
cwd: /tmp/pip-install-71k484j0/psycopg2/
Complete output (72 lines):
running install
running build
running build_py
creating build
creating build/lib.linux-x86_64-3.8
creating build/lib.linux-x86_64-3.8/psycopg2
copying lib/tz.py -> build/lib.linux-x86_64-3.8/psycopg2
copying lib/_ipaddress.py -> build/lib.linux-x86_64-3.8/psycopg2
copying lib/extras.py -> build/lib.linux-x86_64-3.8/psycopg2
copying lib/errorcodes.py -> build/lib.linux-x86_64-3.8/psycopg2
copying lib/psycopg1.py -> build/lib.linux-x86_64-3.8/psycopg2
copying lib/_json.py -> build/lib.linux-x86_64-3.8/psycopg2
copying lib/pool.py -> build/lib.linux-x86_64-3.8/psycopg2
copying lib/sql.py -> build/lib.linux-x86_64-3.8/psycopg2
copying lib/_range.py -> build/lib.linux-x86_64-3.8/psycopg2
copying lib/__init__.py -> build/lib.linux-x86_64-3.8/psycopg2
copying lib/extensions.py -> build/lib.linux-x86_64-3.8/psycopg2
creating build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_bug_gc.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_lobject.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_sql.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/dbapi20_tpc.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_quote.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_psycopg2_dbapi20.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/testconfig.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_dates.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_notify.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_errcodes.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_connection.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_cancel.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_replication.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_bugX000.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_fast_executemany.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_copy.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_green.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_ipaddress.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_types_basic.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_cursor.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_async_keyword.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_types_extras.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_with.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/testutils.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_extras_dictcursor.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/__init__.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_module.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/dbapi20.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_transaction.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
copying tests/test_async.py -> build/lib.linux-x86_64-3.8/psycopg2/tests
Skipping optional fixer: buffer
Skipping optional fixer: idioms
Skipping optional fixer: set_literal
Skipping optional fixer: ws_comma
running build_ext
building 'psycopg2._psycopg' extension
creating build/temp.linux-x86_64-3.8
creating build/temp.linux-x86_64-3.8/psycopg
gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION=2.7.7 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=110005 -DHAVE_LO64=1 -I/usr/local/include/python3.8 -I. -I/usr/include/postgresql -I/usr/include/postgresql/11/server -c psycopg/psycopgmodule.c -o build/temp.linux-x86_64-3.8/psycopg/psycopgmodule.o -Wdeclaration-after-statement
psycopg/psycopgmodule.c: In function ‘psyco_is_main_interp’:
psycopg/psycopgmodule.c:689:18: error: dereferencing pointer to incomplete type ‘PyInterpreterState’ {aka ‘struct _is’}
while (interp->next)
^~
It appears you are missing some prerequisite to build the package from source.
You may install a binary package by installing 'psycopg2-binary' from PyPI.
If you want to install psycopg2 from source, please install the packages
required for the build and try again.
For further information please check the 'doc/src/install.rst' file (also at
<http://initd.org/psycopg/docs/install.html>).
error: command 'gcc' failed with exit status 1
----------------------------------------
文件：
FROM python:3
RUN export PATH=/usr/lib/postgresql/X.Y/bin/:$PATH
RUN pip3 install psycopg2-binary
RUN pip3 install psycopg2
ENV PYTHONUNBUFFERED 0
RUN mkdir /code
WORKDIR /code
COPY requirements.txt /code/
RUN pip install -r requirements.txt
COPY . /code/
我尝试安装 Psycopg2-Binary，但它仍然存在
3 天以来，我一直遇到与 Docker 相关的安装问题。
有人有什么好主意吗？
在你的docker文件中请运行，你需要安装一些额外的依赖项，python开发，psql contrib等
sudo apt update
sudo apt-get install postgresql-contrib
sudo apt-get install libpq-dev gcc # this is required as psycopg2 uses pg_config
sudo apt-get install python3-dev
当然，apt 安装应该在 pip 安装之前进行。
在您运行的脚本中，pip install ....请将其更改为pip3
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