location /mcp-a/ {
    proxy_pass http://mcp-a.internal:8080/;
    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;
    auth_request /auth;
}
 
location /mcp-b/ {
    proxy_pass http://mcp-b.internal:8080/;
    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;
    auth_request /auth;
}
 
# Auth endpoint
location = /auth {
    internal;
    proxy_pass http://oauth2-proxy.internal:4180/auth;
    proxy_pass_request_body off;
    proxy_set_header Content-Length "";
    proxy_set_header X-Original-URI $request_uri;
    proxy_set_header X-Original-Method $request_method;
}