debug: add diagnostic logging to entrypoint

entrypoint.sh

@@ -4,21 +4,20 @@
 #
 # Environment variables:
 #   CLEANUP_CRON_SCHEDULE  - Cron schedule for token cleanup (default: "0 */6 * * *", every 6h)
-#                            Examples:
-#                              "0 */1 * * *"  every hour
-#                              "0 */6 * * *"  every 6 hours (default)
-#                              "0 2 * * *"    daily at 2:00 AM
 #   CLEANUP_STARTUP_DELAY  - Seconds to wait after service is ready before first cleanup (default: 10)
 #
 
-set -e
-
+echo "[entrypoint] Starting up at $(date)" >&2
 echo "[entrypoint] Starting up at $(date)"
+echo "[entrypoint] User: $(id)" >&2
+echo "[entrypoint] Filesystem writable test: /etc=$(touch /etc/.test 2>&1 && echo 'writable' && rm -f /etc/.test || echo 'read-only')" >&2
+echo "[entrypoint] /tmp writable: $(touch /tmp/.test 2>&1 && echo 'yes' && rm -f /tmp/.test || echo 'no')" >&2
 
 CLEANUP_CRON_SCHEDULE="${CLEANUP_CRON_SCHEDULE:-0 */6 * * *}"
 CLEANUP_STARTUP_DELAY="${CLEANUP_STARTUP_DELAY:-10}"
 
 mkdir -p /tmp/logs /tmp/crontabs
+echo "[entrypoint] Created /tmp/logs and /tmp/crontabs" >&2
 
 # Write crontab to /tmp (HuggingFace root filesystem is read-only)
 cat > /tmp/crontabs/root << EOF
@@ -27,13 +26,18 @@ ${CLEANUP_CRON_SCHEDULE} /app/cleanup_tokens.sh >> /tmp/logs/cleanup.log 2>&1
 EOF
 
 echo "[entrypoint] Cleanup schedule: ${CLEANUP_CRON_SCHEDULE}"
+echo "[entrypoint] Cleanup schedule written to /tmp/crontabs/root" >&2
 
 # Start crond (busybox) with custom crontab directory
-crond -c /tmp/crontabs -l 8 -L /tmp/logs/crond.log
+if crond -c /tmp/crontabs -l 8 -L /tmp/logs/crond.log 2>/tmp/logs/crond_start_err.log; then
+    echo "[entrypoint] crond started successfully" >&2
+else
+    echo "[entrypoint] WARNING: crond failed to start (exit=$?), continuing without scheduled cleanup" >&2
+    cat /tmp/logs/crond_start_err.log >&2 2>/dev/null
+fi
 echo "[entrypoint] crond started"
 
 # Wait for the API to be ready, then run the initial cleanup in background.
-# This runs in a subshell so it doesn't block the main service from starting.
 (
     echo "[entrypoint] Waiting for API to be ready (polling localhost:7860)..."
     MAX_WAIT=120
@@ -52,5 +56,8 @@ echo "[entrypoint] crond started"
     /app/cleanup_tokens.sh >> /tmp/logs/cleanup.log 2>&1
 ) &
 
+echo "[entrypoint] About to exec cli-proxy-api..." >&2
+echo "[entrypoint] Binary exists: $(ls -la /app/cli-proxy-api 2>&1)" >&2
+echo "[entrypoint] Config exists: $(ls -la /app/config.yaml 2>&1)" >&2
 echo "[entrypoint] Launching cli-proxy-api..."
 exec /app/cli-proxy-api --config /app/config.yaml "$@"