fix: restore execute bit on bind-mounted data dir

bind mounts can lose the dir x bit (drw-rw-rw-), making the dir
untraversable; entrypoint now chmod u+rwx the log dir before dropping
privileges.

Author: solutionforestteam

entrypoint.sh

@@ -1,11 +1,13 @@
 #!/bin/sh
-# Fix ownership of the data dir (bind mounts are often owned by root),
-# then drop privileges and run as the unprivileged monitor user.
+# Fix ownership AND permissions of the data dir (bind mounts are often
+# owned by root or lose mode bits), then drop privileges and run as the
+# unprivileged monitor user.
 set -e
 
 DATA_DIR="$(dirname "${LOG_FILE:-/app/data/status.txt}")"
 mkdir -p "$DATA_DIR" 2>/dev/null || true
 chown -R monitor:monitor "$DATA_DIR" 2>/dev/null || true
+# ensure the owner can traverse/write the dir (x bit is required to open files inside)
+chmod u+rwx "$DATA_DIR" 2>/dev/null || true
 
-# if the targets file is read-only and unreadable, that's fine — the app will error clearly
 exec su-exec monitor:monitor /app/TinyUptimeRobot "$@"