.NET Core WebAPI - AWS ElasticBeanstalk Nginx Configuration

Question

I've moved my .NET Core WebAPI to an AWS EB Instance. This works fine, however my file upload has now broken due to the Nginx 'client_max_body_size' configuration.

I've looked up how to override this, however I cannot get this to work. Here is my current set-up:

Within this file I have added:

client_max_body_size 0;

This file has no hidden characters (Notepad++ with show all chars on):

When my EB environment is updated I get the following eb-engine log:

2022/05/17 07:15:57.025994 [ERROR] An error occurred during execution of command [app-deploy] - [FlipProxyForDotNetCore]. Stop running the command. Error: copy proxy conf from staging failed with error validate nginx configuration failed with error Command /bin/sh -c /usr/sbin/nginx -t -c /var/proxy/staging/nginx/nginx.conf failed with error exit status 1. Stderr:nginx: [emerg] unknown directive "ï»¿client_max_body_size" in /var/proxy/staging/nginx/conf.d/myConf.conf:1
nginx: configuration file /var/proxy/staging/nginx/nginx.conf test failed

My EB instance is running Amazon Linux 2/2.3.1.

What am I doing wrong?

Marcin · Accepted Answer · 2022-05-17 07:43:48Z

1

The error msg

"ï»¿client_max_body_size"

indicates that you have some non-ASCII characters (ï»¿) in your myConf.conf. Please open the file in a regular text editor and verify that it has only ASCII characters.

answered May 17, 2022 at 7:43

Marcin

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3 Comments

Duncan Palmer Over a year ago

I have updated my post. This is one thing I had checked, no dodgy characters are there.

Marcin Over a year ago

@DuncanPalmer There must be something wrong with the file encoding. The fact that you can't see them, it does not mean they are not there. Maybe recreate the file from scratch.

Duncan Palmer Over a year ago

Well that's solved it!

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