报错记录：
Step 4/9 : RUN pip3 install -r /var/www/codo-admin/doc/requirements.txt —> [Warning] IPv4 forwarding is disabled. Networking will not work. —> Running in 94e64db68828 Collecting cryptography (from -r /var/www/codo-admin/doc/requirements.txt (line 1)) WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘NewConnectionError(‘<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x7f5cb088a470>: Failed to establish a new connection: [Errno -2] Name or service not known’,)’: /simple/cryptography/ WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘NewConnectionError(‘<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x7f5cb088a898>: Failed to establish a new connection: [Errno -2] Name or service not known’,)’: /simple/cryptography/ WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘NewConnectionError(‘<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x7f5cb088a6a0>: Failed to establish a new connection: [Errno -2] Name or service not known’,)’: /simple/cryptography/ WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘NewConnectionError(‘<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x7f5cb088a518>: Failed to establish a new connection: [Errno -2] Name or service not known’,)’: /simple/cryptography/ WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘NewConnectionError(‘<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x7f5cb088a358>: Failed to establish a new connection: [Errno -2] Name or service not known’,)’: /simple/cryptography/ ERROR: Could not find a version that satisfies the requirement cryptography (from -r /var/www/codo-admin/doc/requirements.txt (line 1)) (from versions: none) ERROR: No matching distribution found for cryptography (from -r /var/www/codo-admin/doc/requirements.txt (line 1))
这个是由于本地没有开启路由转发的缘故
解决办法：
代码语言：javascript复制vim /etc/sysctl.conf
net.ipv4.ip_forward=1 #添加即可
sysctl -p #使其生效这样还不行，还需要重启网卡和docker
代码语言：javascript复制systemctl restart network
systemctl restart docker问题解决
