[BUG] "failed to parse platform" on Odroid M1

[httpiga]

The Issue tracker is ONLY used for reporting bugs. New features should be discussed on our Slack channel or in Discussions.

Bug Description I can't build docker image on a Odroid M1 (see output below). Development enviroment builds successfully. I think that it fails to recognize the platform, returning an invalid empty string. Is there a way to manual override $BUILDPLATFORM?

To Reproduce

1. git clone https://github.com/ghostfolio/ghostfolio.git
2. cd ghostfolio
3. docker-compose --env-file ./.env -f docker/docker-compose.build.yml build
4. Output:

   postgres uses an image, skipping
   redis uses an image, skipping
   Building ghostfolio
   Sending build context to Docker daemon  13.78MB
   Step 1/32 : FROM --platform=$BUILDPLATFORM node:16-slim as builder
   failed to parse platform : "" is an invalid component of "": platform specifier component must match "^[A-Za-z0-9_-]+$": invalid argument
   ERROR: Service 'ghostfolio' failed to build : Build failed

Expected behavior Docker build to complete or, as an alternative, the user should be able to manually specify BUILDPLATFORM variable.

Environment

• Hardware: Odroid M1 8GB
• Ghostfolio Version: 1.208.0
• OS: Ubuntu 20.04.5 LTS (GNU/Linux 4.19.219-odroid-arm64 aarch64)

[httpiga]

Editing first line of Dockerfile by replacing FROM --platform=$BUILDPLATFORM with FROM --platform=${BUILDPLATFORM:-linux/arm64} allowed me to complete the build.

[dtslvr]

Hi @httpiga

Glad you could manage to find a solution!

Do we need to change something in our Dockerfile or can we just close this issue?

[httpiga]

I don't think a change in Dockerfile is needed since my fallback only works for arm64 architectures. I'd rather suggest adding a fallback using a new .env defined argument, so that every user can specify the architecture he's using. WDYT?

[dtslvr]

How would that look like specifically?