updated certbot version as a new image cannot be currently built

[NkolasN]

Updated certbot version as a new image cannot be built.

Certbot version update also fixes:

• CVE-2017-7614
• CVE-2017-7614
• CVE-2017-7555
• CVE-2017-7555
• CVE-2017-16931
• CVE-2017-16931
• CVE-2017-10989
• CVE-2017-10685
• CVE-2017-10685
• CVE-2017-10685
• CVE-2017-10684
• CVE-2017-10684
• CVE-2017-10684
• CVE-2017-1000158
• CVE-2017-1000158
• CVE-2016-9843
• CVE-2016-9843
• CVE-2016-9841
• CVE-2016-9841
• CVE-2016-8859
• CVE-2016-8859
• CVE-2016-8859
• CVE-2016-6304
• CVE-2016-6304
• CVE-2016-6304
• CVE-2016-6301
• CVE-2016-5300

[marisbahtins]

LGTM!

[marisbahtins]

Hi @anton-kasperovich!
Can you please take a look at this PR and merge if it looks good to you. We have tested change internally.

[anton-kasperovich]

Did we try to generate a new certificate with upgraded base image? I had hard times with certbot back then...

[marisbahtins]

Yes, we tried to generate a new certificate. The only issue we had it couldn't authorize procedure as we don't have "real" domain.
Here is an example:

[root@ip certbot]# docker run --rm -it -p 80:80 -p 443:443 -v /home/centos:/etc/letsencrypt test/certbot certonly --standalone -d "example.xip.io" --text - -register-unsafely-without-email --agree-tos
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator standalone, Installer None
Registering without email!
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for example.xip.io
Waiting for verification...
Cleaning up challenges
Failed authorization procedure. example.xip.io (http-01): urn:ietf:params:acme:error:connection :: The server could not connect to the client to verify the domain :: Fetching http://example.xip.io/.well-known/acme-challenge/GM296QMUmwwPbvFijcBSUBhKWc1u7pScwaDQJT5THgQ: Timeout during connect (likely firewall problem)
 
IMPORTANT NOTES:
 - The following errors were reported by the server:
 
   Domain: example.xip.io
   Type:   connection
   Detail: Fetching
   http://example.xip.io/.well-known/acme-challenge/GM296QMUmwwPbvFijcBSUBhKWc1u7pScwaDQJT5THgQ:
   Timeout during connect (likely firewall problem)
 
   To fix these errors, please make sure that your domain name was
   entered correctly and the DNS A/AAAA record(s) for that domain
   contain(s) the right IP address. Additionally, please check that
   your computer has a publicly routable IP address and that no
   firewalls are preventing the server from communicating with the
   client. If you're using the webroot plugin, you should also verify
   that you are serving files from the webroot path you provided.
 - Your account credentials have been saved in your Certbot
   configuration directory at /etc/letsencrypt. You should make a
   secure backup of this folder now. This configuration directory will
   also contain certificates and private keys obtained by Certbot so
   making regular backups of this folder is ideal. ```