The entrypoint now creates /var/lib/pixa if it is missing. When the
directory or one of its top-level entries belongs to another user or
group, it gives the whole tree to pixad (uid and gid 65532); it then
sets the directory's mode to 750 and runs the server as pixad as
before. Data left by a run under another uid is taken over this way.
Only the top level is checked, so a normal start does not walk the
cache; the tree is changed deepest first, so an interrupted start is
finished by the next one.
"Running under upaas" in README.md no longer tells the operator to
create or chown the host directory.
Model: opus-5-5
upaas bind-mounts an existing host directory and sets no container
user, so a directory made with mkdir as root left pixad unable to
write /var/lib/pixa, and the container exited at startup.
The image now starts as root: deploy/docker-entrypoint.sh gives
/var/lib/pixa to pixad when pixad does not own it, then runs the
server as pixad through su-exec (alpine's package), so the server
never runs as root. README.md gains a "Running under upaas" section:
port, volume, environment variables, health check, first-run step.
Model: opus-5-5
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