FTP fails

[ewitkop]

Step 15/18 : RUN wget https://ftp.gnu.org/gnu/bash/bash-4.3.tar.gz && tar zxvf bash-4.3.tar.gz && cd bash-4.3 && ./configure && make && make install
---> Running in 50d01880af73
--2022-08-29 19:21:09-- https://ftp.gnu.org/gnu/bash/bash-4.3.tar.gz
Resolving ftp.gnu.org (ftp.gnu.org)... 209.51.188.20, 2001:470:142:3::b
Connecting to ftp.gnu.org (ftp.gnu.org)|209.51.188.20|:443... connected.
ERROR: cannot verify ftp.gnu.org's certificate, issued by '/C=US/O=Let's Encrypt/CN=R3':
Issued certificate has expired.
To connect to ftp.gnu.org insecurely, use `--no-check-certificate'.
The command '/bin/sh -c wget https://ftp.gnu.org/gnu/bash/bash-4.3.tar.gz && tar zxvf bash-4.3.tar.gz && cd bash-4.3 && ./configure && make && make install' returned a non-zero code: 5
ubuntu@ip-192-168-45-240:~/docker/docker-shellshockable$