server-setup/nginx_templates/conf.d/default.conf.template

server {
    listen 80;
    listen [::]:80;

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

server {
    include /etc/nginx/ssl_listen.conf;

    location / {
        error_page 404 /404.html;
        root /var/www/html;
        index index.html index.htm;
    }

    location /.well-known/acme-challenge {
        root   /var/www;
    }

    location ~ /\.(?!well-known).* {
        return 404;
        access_log off;
        log_not_found off;
    }
}

server {
    include /etc/nginx/ssl_listen.conf;

    server_name git.${BASE_DOMAIN_NAME};

    location /.well-known/acme-challenge {
        root   /var/www;
    }

    location / {
        proxy_pass http://forgejo:3000;

        proxy_set_header Connection $http_connection;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        client_max_body_size 512M;
    }
}

server {
    include /etc/nginx/ssl_listen.conf;

    location /.well-known/acme-challenge {
        root   /var/www;
    }

    server_name mail.${BASE_DOMAIN_NAME};
    location / {
        proxy_pass http://mail:80;

        proxy_set_header Connection $http_connection;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

server {
    include /etc/nginx/ssl_listen.conf;

    location /.well-known/acme-challenge {
        root   /var/www;
    }

    server_name forum.${BASE_DOMAIN_NAME};
    location / {
        proxy_pass http://unix:/forum/nginx.http.sock:;

        proxy_http_version 1.1;
        proxy_set_header Connection $http_connection;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

server {
    include /etc/nginx/ssl_listen.conf;

    server_name ~^(?<subdomain>.*)${ALT_BASE_DOMAIN_NAME}$;
    return 301 https://${subdomain}${BASE_DOMAIN_NAME}$request_uri;
}