Here is the full log if it helps.
% Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
Dload  Upload   Total   Spent    Left  Speed
100  1585  100  1585    0     0  68913      0 --:--:-- --:--:-- --:--:-- 68913
% Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
Dload  Upload   Total   Spent    Left  Speed
100   418  100   418    0     0   3834      0 --:--:-- --:--:-- --:--:--  3834
Traceback (most recent call last):
File "/snap/docker/471/bin/docker-compose", line 11, in <module>
load_entry_point('docker-compose==1.25.5', 'console_scripts', 'docker-compose')()
File "/snap/docker/471/lib/python3.5/site-packages/compose/cli/main.py", line 72, in main
command()
File "/snap/docker/471/lib/python3.5/site-packages/compose/cli/main.py", line 125, in perform_command
project = project_from_options('.', options)
File "/snap/docker/471/lib/python3.5/site-packages/compose/cli/command.py", line 47, in project_from_options
environment = Environment.from_env_file(override_dir or project_dir, environment_file)
File "/snap/docker/471/lib/python3.5/site-packages/compose/config/environment.py", line 77, in from_env_file
instance = _initialize()
File "/snap/docker/471/lib/python3.5/site-packages/compose/config/environment.py", line 72, in _initialize
return cls(env_vars_from_file(env_file_path))
File "/snap/docker/471/lib/python3.5/site-packages/compose/config/environment.py", line 43, in env_vars_from_file
with contextlib.closing(codecs.open(filename, 'r', 'utf-8-sig')) as fileobj:
File "/snap/docker/471/usr/lib/python3.5/codecs.py", line 895, in open
file = builtins.open(filename, mode, buffering)
PermissionError: [Errno 13] Permission denied: './.env'