I am running my applications using CloudFront, S3, ALB, and Kubernetes. The backend(which is the API) is running in Kubernetes(EKS), exposed using a public ALB. The frontend runs as a static site hosted in S3 bucket and served via cloudfront. All this is managed via Terraform.
When I upload a file greater than 7MB, the upload fails. If I check the API logs in the k8s container, I see:
Completed 413 Payload Too Large in 1651msAs you can see status code of 413 is returned.
My ALB snippet is:
resource "kubernetes_ingress" "example" {
metadata {
name = "example_name"
namespace = "example_namespace"
annotations = {
"kubernetes.io/ingress.class" = "alb"
"alb.ingress.kubernetes.io/scheme" = "internet-facing"
...
}
...
Any idea why I'm getting this?
This limitation can be related with current settings of your nginx ingress controller. As you can read in its documentation:
Custom max body size
For NGINX, an 413 error will be returned to the client when the size in a request exceeds the maximum allowed size of the client request body. This size can be configured by the parameter
client_max_body_size.To configure this setting globally for all Ingress rules, the
proxy-body-sizevalue may be set in the NGINX ConfigMap. To use custom values in an Ingress rule define these annotation:nginx.ingress.kubernetes.io/proxy-body-size: 8m
So if you don't want to set this option globally in nginx ingress controller ConfigMap, you can adjust it by adding the following annotation to your ingress resource definition:
nginx.ingress.kubernetes.io/proxy-body-size: 8mLet me know if it helps.