Update Dockerfile

Dockerfile

@@ -125,28 +125,52 @@ RUN printf '%s\n' \
     '' \
     'mkdir -p /data/persist' \
     '' \
-    '# ── Step 1: RESTORE — /data/persist → /root/ (on restart) ───────────' \
-    '# Only syncs what is missing in /root/, never overwrites existing files' \
+    '# ── HELPER: auto-detect and fix /data/persist dir ────────────────────' \
+    'fix_backup() {' \
+    '    DEST="$1"' \
+    '    if [ -L "$DEST" ]; then' \
+    '        # Old broken symlink from previous method — remove it' \
+    '        echo "▶ Old symlink detected at $DEST, removing..."' \
+    '        rm -f "$DEST"' \
+    '    elif [ -d "$DEST" ]; then' \
+    '        # Real folder but may have bad permissions — try to fix' \
+    '        chmod -R u+rwX "$DEST" 2>/dev/null || {' \
+    '            # Cannot fix permissions — rebuild it' \
+    '            echo "▶ Bad permissions at $DEST, rebuilding..."' \
+    '            rm -rf "$DEST"' \
+    '        }' \
+    '    fi' \
+    '}' \
+    '' \
+    '# ── Step 1: AUTO-FIX any bad backup state ────────────────────────────' \
+    'fix_backup /data/persist/venv' \
+    'fix_backup /data/persist/cache' \
+    '' \
+    '# ── Step 2: RESTORE — /data/persist → /root/ ────────────────────────' \
+    '# /root/ is always the real live directory' \
+    '# Restore from backup only what is missing in /root/' \
     'if [ -d "/data/persist/venv" ]; then' \
     '    echo "▶ Restoring venv from backup..."' \
     '    rsync -a --ignore-existing /data/persist/venv/ /root/venv/' \
+    'else' \
+    '    echo "▶ No venv backup found, using image default"' \
     'fi' \
     'if [ -d "/data/persist/cache" ]; then' \
     '    echo "▶ Restoring cache from backup..."' \
     '    rsync -a --ignore-existing /data/persist/cache/ /root/.cache/' \
     'fi' \
     '' \
-    '# ── Step 2: Fix pip ─────────────────────────────────────────────────' \
+    '# ── Step 3: Fix pip ──────────────────────────────────────────────────' \
     'rm -f /root/venv/lib/python*/EXTERNALLY-MANAGED' \
     '' \
-    '# ── Step 3: BACKUP — /root/ → /data/persist/ (sync any changes) ─────' \
-    '# rsync only copies what changed, very fast' \
+    '# ── Step 4: BACKUP — /root/ → /data/persist/ ────────────────────────' \
+    '# Sync current /root/ state into backup (only changed files)' \
     'echo "▶ Syncing /root/venv to backup..."' \
     'rsync -a --delete /root/venv/ /data/persist/venv/' \
     'rsync -a --delete /root/.cache/ /data/persist/cache/' \
     '' \
-    '# ── Step 4: Background sync every 60s (root → data) ─────────────────' \
-    '# Catches any pip installs or changes made while server is running' \
+    '# ── Step 5: Background sync every 60s ───────────────────────────────' \
+    '# Catches pip installs or any changes while server is running' \
     '(' \
     '    while true; do' \
     '        sleep 60' \
@@ -155,7 +179,7 @@ RUN printf '%s\n' \
     '    done' \
     ') &' \
     '' \
-    '# ── Step 5: apt.txt reinstall ────────────────────────────────────────' \
+    '# ── Step 6: apt.txt reinstall ────────────────────────────────────────' \
     'APT_FILE="/data/apt.txt"' \
     'if [ ! -f "$APT_FILE" ]; then touch "$APT_FILE"; fi' \
     'if [ -s "$APT_FILE" ]; then' \