Discourse Ember CLI Proxy Error FetchError: request to http://127.0.0.1:3000/ failed, reason: connect ECONNREFUSED 127.0.0.1:3000 at ClientRequest. (file:///home/xxx/discourse/node_modules/.pnpm/node-fetch@3.3.2/node_modules/node-fetch/src/index.js:108:11) at ClientRequest.emit (node:events…

Is this a standard install ? A development install?

Follow the guide Install Discourse on Ubuntu or Debian for Development

You need to have the rails server running. Or you can use -u to run both.

Consider Developing Discourse using a Dev Container . Say more about what you did. Did you start rails?

I, [2025-07-22T11:01:04.131140 #169405] INFO – : listening on addr=127.0.0.1:3000 fd=28 [ember-cli] …[@embroider/webpack] #<Thread:0x00007f3f66f43c18 /home/xxx/discourse/lib/discourse.rb:1189 run> terminated with exception (report_on_exception is true): /home/xxx/discourse/lib/letter_avatar.rb:…

Did you do something like: cd ~/discourse ./bin/rails s You need to do that in another terminal before running ./bin/ember-cli

Looks like good advice. Here’s how I do that. It assumes you’ve got asdf and docker. IMAGE_MAGICK_VERSION=$(docker run discourse/base:release bash -c 'magick --version'|head -1|cut -d' ' -f3) echo "Got IMAGE_MAGICK_VERSION: $IMAGE_MAGICK_VERSION" asdf install imagemagick $IMAGE_MAGICK_VERSION…

Discourse Ember CLI Proxy Error

Product Support

merefield (Robert) July 22, 2025, 11:15am 8

Make sure the right version of imagemagick is installed.

Topic		Replies	Views
Unable setup development enviroment(docker) as DiscourseConnect provider Development	5	1027	May 5, 2021
Docker subfolder install not working due to Ember-CLI proxy error? Self-hosting unsupported-install , docker	6	1313	October 18, 2022
Freshly-installed site is showing the error: "Ember CLI is Required in Development Mode" Self-hosting unsupported-install	17	1772	June 8, 2023
Unable to start discourse from source while running "bin/ember-cli -u" Self-hosting ember , rails-console	3	649	February 4, 2024
Discourse version at localhost: NOT FOUND Self-hosting	2	1102	December 23, 2020

Discourse Ember CLI Proxy Error

Related topics