我很困惑为什么 apt-get install 根据它是从 Ubuntu (16.04) 还是从 debian (stretch-slim docker image) 调用而不会以相同的方式运行。
基本上，我执行：
root@ubuntu $ apt-get install libfcgi-dev
...
root@ubuntu $ dpkg -L libfcgi-dev
/.
/usr
/usr/lib
/usr/lib/libfcgi++.a
/usr/lib/libfcgi.a
/usr/share
/usr/share/doc
/usr/share/doc/libfcgi-dev
/usr/share/doc/libfcgi-dev/copyright
/usr/include
/usr/include/fastcgi.h
/usr/include/fcgi_config.h
/usr/include/fcgios.h
/usr/include/fcgio.h
/usr/include/fcgiapp.h
/usr/include/fcgi_stdio.h
/usr/include/fcgimisc.h
/usr/lib/libfcgi.so
/usr/lib/libfcgi++.so
/usr/share/doc/libfcgi-dev/changelog.Debian.gz
来自容器的相同：
root@container $ apt-get install libfcgi-dev
...
root@container $ dpkg -L libfcgi-dev
/.
/usr
/usr/include
/usr/include/fastcgi.h
/usr/include/fcgi_config.h
/usr/include/fcgi_stdio.h
/usr/include/fcgiapp.h
/usr/include/fcgimisc.h
/usr/include/fcgio.h
/usr/include/fcgios.h
/usr/lib
/usr/lib/x86_64-linux-gnu
/usr/lib/x86_64-linux-gnu/libfcgi++.a
/usr/lib/x86_64-linux-gnu/libfcgi.a
/usr/share
/usr/share/doc
/usr/share/doc/libfcgi-dev
/usr/share/doc/libfcgi-dev/changelog.Debian.amd64.gz
/usr/share/doc/libfcgi-dev/changelog.Debian.gz
/usr/share/doc/libfcgi-dev/copyright
/usr/lib/x86_64-linux-gnu/libfcgi++.so
/usr/lib/x86_64-linux-gnu/libfcgi.so
我认为这个包决定了它的安装位置（根据[这篇文章][1]），看起来 apt-install …