Map $sent_http_content_type $expires { "text/html" epoch;

"text/html; charset=utf-8" epoch;
default off;
}

map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}

server {
listen 9090;
server_name localhost;

gzip on;
gzip_proxied any;
gzip_types text/plain application/xml text/css application/javascript application/json;
gzip_min_length 1000;
gzip_vary on;
gzip_disable "MSIE [1-6]\.(?!.*SV1)";

root /usr/share/nginx/html;
try_files $uri /usr/share/nginx/html$uri;
proxy_max_temp_file_size 0;


location / {
root /usr/share/nginx/html;
index index.html index.htm;
}

error_page 404 /index.html;

location /api {
proxy_pass http://fullstack-backend-service:5000;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_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;
}

location /graphql {
proxy_pass http://fullstack-backend-service:5000;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection $connection_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;
}
}

а где реврайты то?