Install problem

[davelowe1977]

I followed these instructions:

"Self-hosting

Put Photon on your own domain for easier onboarding.
Running from image

Use the env var PUBLIC_INSTANCE_URL to set the default instance URL.
docker run -p 8080:3000 -e PUBLIC_INSTANCE_URL=example.com ghcr.io/xyphyn/photon:latest
"

On Ubuntu 22.04.5 LTS
I changed PUBLIC_INSTANCE_URL to point to a a reachable subdomain
I setup my reverse proxy (NGINX) to point to lemmyip:8080
I can open the homepage on my instance but get:
"500
TypeError: NetworkError when attempting to fetch resource."

What have I done wrong?

[davelowe1977]

Seems to be this problem:
#472
judging from the cors errors in the browser console

[davelowe1977]

I have repeated the exercise of installing using the dev and production instructions on a VM with a GUI so I can try opening 0,0.0.0:8080 without the complication of a reverse proxy. Still doesn't work either with the docker container or by the latest docker. Has anyone but devs actually got an instance of this running?

[sevonj]

There are a couple instances that serve photon as default.

Here's a known working configuration, with some irrelevant stuff removed:

docker-compose.yml

services:
  photon_ui:
    container_name: photon
    image: "ghcr.io/xyphyn/photon:latest"
    ports:
      - 127.0.0.1:3000:3000
    env_file: photon_ui.env
    restart: always

photon_ui.env

# Instance
PUBLIC_INSTANCE_URL=target-instance-here.com
PUBLIC_LOCK_TO_INSTANCE=true

Edit: try PUBLIC_INSTANCE_URL=lemmy.world to rule out your instance being the problem

[sevonj]

I changed PUBLIC_INSTANCE_URL to point to a a reachable subdomain

Wait, did I understand correctly that you put your photon subdomain here? It's supposed to be the lemmy server photon connects to.

[davelowe1977]

That's very helpful. I can connect through my photon to lemmy.world. Clearly the problem is with my lemmy instance. Many thanks.

[sevonj]

How have you set up the instance? If you're just using lemmy-ansible, I kind of know how your setup looks like.

Revert any changes back to how they were before messing with photon, and see if you can get the photon container working on your local machine.

[davelowe1977]

Thanks for the help. I now have my site fixed.