yep:
root@docker2:/var/discourse/containers# yamllint web_only.yml
web_only.yml
5:81 error line too long (115 > 80 characters) (line-length)
8:1 warning missing document start "---" (document-start)
14:4 warning missing starting space in comment (comments)
14:3 warning comment not indented like content (comments-indentation)
15:4 warning missing starting space in comment (comments)
18:81 error line too long (85 > 80 characters) (line-length)
36:3 warning comment not indented like content (comments-indentation)
37:4 warning missing starting space in comment (comments)
43:81 error line too long (85 > 80 characters) (line-length)
44:81 error line too long (87 > 80 characters) (line-length)
58:81 error line too long (84 > 80 characters) (line-length)
67:81 error line too long (90 > 80 characters) (line-length)
68:4 warning missing starting space in comment (comments)
77:81 error line too long (83 > 80 characters) (line-length)
79:4 warning missing starting space in comment (comments)
99:81 error line too long (81 > 80 characters) (line-length)
110:81 error line too long (81 > 80 characters) (line-length)
117:81 error line too long (81 > 80 characters) (line-length)
126:43 error trailing spaces (trailing-spaces)
151:4 warning missing starting space in comment (comments)
154:4 warning missing starting space in comment (comments)
155:4 warning missing starting space in comment (comments)
156:4 warning missing starting space in comment (comments)
156:81 error line too long (131 > 80 characters) (line-length)
It definitely needs some cleanup 