The base php:*-fpm image creates /var/www/html owned by its own www-data
(uid 82) and mode 1777, so that an image can run as an arbitrary user.
This image replaces www-data with a fixed uid 1000 and copies the
release in with COPY --chown — which re-owns what it copies into the
directory, never the directory itself. It was left world-writable,
sticky, and owned by a uid the container no longer has.
fs.protected_symlinks — on by default on Ubuntu, Debian and most current
distributions — then refuses to let a non-root process follow a symlink
in such a directory, and .env is exactly that: the entrypoint keeps it
on the storage volume so a generated APP_KEY survives container
replacement, and links it into place. So every request 503'd with
"ProjectSend is not configured yet" while `docker exec ... cat .env`,
run as root, printed the file back perfectly (#1615).
Three changes, each independently sufficient for the reported case, and
deliberately so — this failure is silent and its symptom points away
from its cause:
- the image owns /var/www/html as the runtime user, at mode 755;
- the entrypoint owns the symlink it creates, so it stays followable
even if that directory's mode ever drifts back;
- preflight distinguishes "no .env" from ".env is there and cannot be
read", instead of reporting the second as the first and sending the
operator off to create a file they already have.
Verified by building the production image before and after: every
request 503s beforehand, with /var/www/html at uid 82 mode 1777 and
www-data denied on the symlink while root reads it; afterwards /up
answers 200, the container reports healthy, and / redirects to /setup.
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
Client file sharing, rebuilt from the ground up: a private area per
client, resumable uploads, folders, groups and categories, sharing with
expiry dates and download limits, comments, file versions, an activity
log, a REST API, and sixteen languages.
This repository begins here. ProjectSend 2 was developed privately, and
that development history is not published — the previous generation
remains available, with its own history, at projectsend/legacy.
Free software under the GNU General Public License v2, or (at your
option) any later version.
Ignacio Nelson