server { listen ${PORT}; root /usr/share/nginx/html; location / { proxy_pass ${FRONT_URL}; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; } location /api/ { proxy_pass ${BACK_URL}/; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; } }