Multi-arch prod image build: add linux/arm64 for Raspberry Pi #39

New issue

Closed

opened 2026-05-02 11:03:06 +02:00 by myrmidex · 0 comments

myrmidex commented

2026-05-02 11:03:06 +02:00

Owner

Add a Forgejo Actions build pipeline that produces a multi-arch Docker image (linux/amd64 + linux/arm64) so the app can run on Raspberry Pi.

Changes

Add .forgejo/workflows/build.yml — triggers on tag push (v*), builds with docker buildx, pushes to forge.lvl0.xyz/myrmidex/incr
Bump docker/production/Dockerfile PHP stage from php:8.2-fpm-alpine to php:8.3-fpm-alpine (aligns with composer.lock requirement)
Ensure node:20-alpine and php:8.3-fpm-alpine base images are both multi-arch (they are)

Notes

The prod Dockerfile itself is already arm64-compatible — only the build pipeline is missing
Use docker/setup-buildx-action + docker/build-push-action pattern
Registry: forge.lvl0.xyz/myrmidex/incr
Requires REGISTRY_USERNAME + REGISTRY_PASSWORD secrets on the repo

Add a Forgejo Actions build pipeline that produces a multi-arch Docker image (`linux/amd64` + `linux/arm64`) so the app can run on Raspberry Pi. ## Changes - Add `.forgejo/workflows/build.yml` — triggers on tag push (`v*`), builds with `docker buildx`, pushes to `forge.lvl0.xyz/myrmidex/incr` - Bump `docker/production/Dockerfile` PHP stage from `php:8.2-fpm-alpine` to `php:8.3-fpm-alpine` (aligns with composer.lock requirement) - Ensure `node:20-alpine` and `php:8.3-fpm-alpine` base images are both multi-arch (they are) ## Notes - The prod Dockerfile itself is already arm64-compatible — only the build pipeline is missing - Use `docker/setup-buildx-action` + `docker/build-push-action` pattern - Registry: `forge.lvl0.xyz/myrmidex/incr` - Requires `REGISTRY_USERNAME` + `REGISTRY_PASSWORD` secrets on the repo