1、文件太大
413：Request Entity Too Large
创建 ingress 时添加 annotations（注释）
metadata:
annotations:
nginx.ingress.kubernetes.io/proxy-body-size: 1024m
2、上传超时
504：Gateway Timeout
nginx.ingress.kubernetes.io/proxy-send-timeout: 60s
nginx.ingress.kubernetes.io/proxy-read-timeout: 600s