1, ingress-nginx, Nginx modify the default upload size:
Rancher file using load balancing, and upload 1M above error, see ingress-nginx container, discovery configuration
client_max_body_size 1m;
Solution:
Creating ingress when modifying parameters:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
annotations:
nginx.ingress.kubernetes.io/proxy-body-size: 50m