I just got VM which had nginx, unicorn and a fresh rails app installed. I looked at the nginx config file, and I do not understand how it connects to unicorn, especially since there doesn’t seem to be any upstream setting (which is what most tutorial’s say you need).
Also there seems to be a line in the default site-enabled config file that has the line:
proxy_pass http://app_server;
I am not sure where is app_server defined. Is this an upstream defined somewhere?
Note: This post has screenshots on how all my current configuration files look like:
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