discourse_nginx.conf

server {
    listen 80; listen [::]:80;
    server_name forums.codelab.club;  # <-- change this

    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;  listen [::]:443 ssl http2;
    server_name forums.codelab.club;  # <-- change this

    ssl on;
    ssl_certificate /home/wwj/.acme.sh/codelab.club/fullchain.cer;
    ssl_certificate_key /home/wwj/.acme.sh/codelab.club/codelab.club.key;
    ssl_trusted_certificate  /home/wwj/.acme.sh/codelab.club/ca.cer;

    http2_idle_timeout 5m; # up from 3m default

    location / {
        proxy_pass http://unix:/var/discourse/shared/standalone/nginx.http.sock:;
        proxy_set_header Host $http_host;
        proxy_http_version 1.1;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header X-Real-IP $remote_addr;
    }
}