I edited discourse.conf inside the app container to set 512m max upload size. I set 512m in the Admin panel also. But I cannot upload a PDF 30 MB in size as Discourse says ‘512m maximum allowed’. Which does not seem right. What to do? Have I edited the wrong nginx configuration file? Urk - after a reboot the dsiscourse.conf file reverts to the original. No wonder it does not work. But what causes this replacement?

Ah - I just found out about using ‘outlets’ to make permanent nginx changes. I feel confident with enough trying I can get that going.

It’s as simple as an app.yml change: [תמונה] Change the maximum attachment/upload size Self-Hosting bookmark This guide explains how to change the maximum attachment upload size for self-hosted Discourse instances. person_raising_hand Required user level: System Admin The default attachment upload size limit is 10MB If you are self-hosting Discourse and need to allow uploads larger than 10 MB, follow the steps below. Changing the upload size Connect to your server: Use SSH to access your server’s command line interface. Edit the configuration file: Navigate to the configurati… (In addition to the setting)

Maxmum upload size

תמיכה

merefield (Robert) 17 במרץ,‏ 2026,‏ 8:21am 3

It’s as simple as an app.yml change:

(In addition to the setting)

נושא		תגובות	צפיות
Change the maximum attachment/upload size Self-Hosting how-to	0	16596	17 במרץ,‏ 2015
What is the maximum file size we can upload on discourse? Product Support	9	4505	16 ביולי,‏ 2021
Can't Increase the Max File Size Product Support	3	2934	23 ביולי,‏ 2018
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:cn: Change the max size of uploads/attachments \| Discourse 修改上传附件的大小 Sysadmins chinese-translation	5	1234	17 באפריל,‏ 2025

Maxmum upload size

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