В локкйшене прописываете location /api/mapapi/ и проксипасс до вашего апстрима . По необходимости добавляете кастомные заголовки. Посмотрите статью kestrel on nginx там описано подробно, но это действует для любых связок
Конфиг для nginx c бэкендом apache, проксированием net core api, и vue SPA
server {
server_name test.com;
ssl_certificate "/var/www/httpd-cert/www-root/test_com_le2.crtca";
ssl_certificate_key "/var/www/httpd-cert/www-root/test_com_le2.key";
ssl_ciphers EECDH:+AES256:-3DES:RSA+AES:!NULL:!RC4;
ssl_prefer_server_ciphers on;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_dhparam /etc/ssl/certs/dhparam4096.pem;
charset off;
index index.php index.html;
disable_symlinks if_not_owner from=$root_path;
include /etc/nginx/vhosts-includes/*.conf;
include /etc/nginx/vhosts-resources/test_com/*.conf;
access_log /var/www/httpd-logs/test_com.access.log;
error_log /var/www/httpd-logs/test_com.error.log notice;
ssi on;
set $root_path /var/www/www-root/data/www/test_com/public;
root $root_path;
location / {
location ~ [^/]\.ph(p\d*|tml)$ {
try_files /does_not_exists @fallback;
}
location ~* ^.+\.(jpg|jpeg|gif|png|svg|js|css|mp3|ogg|mpe?g|avi| zip|gz|bz2?|rar|swf)$ {
try_files $uri $uri/ @fallback;
}
location / {
try_files /does_not_exists @fallback;
}
}
# тут хранится статика SPA
location /mks/ {
root /var/www/www-root/data/www/test_com;
}
# Прокси для api
location /api/mapinfo/ {
proxy_pass http://localhost:5010/api/mapinfo;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection keep-alive;
proxy_set_header Host $host;
proxy_cache_bypass $http_upgrade;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
location @fallback {
proxy_pass http://127.0.0.1:8080;
proxy_redirect http://127.0.0.1:8080 /;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-Port $server_port;
access_log off;
}
listen 123.123.123.123:443 ssl;
}