Multiple container setup problems

I have this in /etc/nginx/sites-available/default:

server {

        server_name www.uskojarukous.fi uskojarukous.fi nyforum.uskojarukous.fi;

        location /errorpages/ {
                alias /var/www/errorpages/;
        }

        location / {
                proxy_pass http://unix:/var/discourse/shared/nyforum/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 $scheme;
                proxy_set_header X-Real-IP $remote_addr;
                error_page 502 =502 /errorpages/offline.html;
        }

    listen [::]:443 ssl ipv6only=on; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/uskojarukous.fi/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/uskojarukous.fi/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot



}

server {

        server_name urforum.uskojarukous.fi;

        location /errorpages/ {
                alias /var/www/errorpages/;
        }

        location / {
                proxy_pass http://unix:/var/discourse/shared/urforum/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 $scheme;
                proxy_set_header X-Real-IP $remote_addr;
                error_page 502 =502 /errorpages/offline.html;
        }

    listen [::]:443 ssl; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/uskojarukous.fi/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/uskojarukous.fi/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}

server {

        server_name ueforum.uskojarukous.fi;

        location /errorpages/ {
                alias /var/www/errorpages/;
        }

        location / {
                proxy_pass http://unix:/var/discourse/shared/ueforum/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 $scheme;
                proxy_set_header X-Real-IP $remote_addr;
                error_page 502 =502 /errorpages/offline.html;
        }

    listen [::]:443 ssl; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/uskojarukous.fi/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/uskojarukous.fi/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}

server {
    if ($host = www.uskojarukous.fi) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    if ($host = nyforum.uskojarukous.fi) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    if ($host = uskojarukous.fi) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


        listen  80;
        listen  [::]:80;

        server_name www.uskojarukous.fi uskojarukous.fi nyforum.uskojarukous.fi;
    return 404; # managed by Certbot






}

server {
    if ($host = ueforum.uskojarukous.fi) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


        listen  80;
        listen  [::]:80;

        server_name ueforum.uskojarukous.fi;
    return 404; # managed by Certbot


}

server {
    if ($host = urforum.uskojarukous.fi) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


        listen  80;
        listen  [::]:80;

        server_name urforum.uskojarukous.fi;
    return 404; # managed by Certbot


}

At least two of the forums work all right…