added automatic docker clean-up

Author: J0ET0M

docker/Dockerfile

@@ -59,7 +59,8 @@ COPY docker/redis.conf /etc/redis/redis.conf
 COPY docker/kvrocks.conf /etc/kvrocks/kvrocks.conf
 COPY docker/bob.json /app/bob.json
 COPY docker/entrypoint.sh /app/entrypoint.sh
-RUN chmod +x /app/entrypoint.sh
+COPY docker/cleanup.sh /app/cleanup.sh
+RUN chmod +x /app/entrypoint.sh /app/cleanup.sh
 
 # Expose ports
 # 21842 - bob server port

docker/cleanup.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+# Cleanup old snapshot files, bootstrap zips, and rotated logs.
+# Keeps only the 2 most recent files of each type to allow safe rollback.
+# Runs periodically via supervisord.
+
+DATA_DIR="/data/bob"
+INTERVAL=3600  # check every hour
+
+while true; do
+    # Keep the 2 most recent spectrum files (by modification time), delete the rest
+    SPECTRUM_COUNT=$(ls -t "$DATA_DIR"/spectrum.* 2>/dev/null | wc -l)
+    if [ "$SPECTRUM_COUNT" -gt 2 ]; then
+        ls -t "$DATA_DIR"/spectrum.* | tail -n +3 | xargs rm -f
+        echo "$(date -u '+%Y-%m-%d %H:%M:%S') Cleaned old spectrum files (kept 2 of $SPECTRUM_COUNT)"
+    fi
+
+    # Keep the 2 most recent universe files, delete the rest
+    UNIVERSE_COUNT=$(ls -t "$DATA_DIR"/universe.* 2>/dev/null | wc -l)
+    if [ "$UNIVERSE_COUNT" -gt 2 ]; then
+        ls -t "$DATA_DIR"/universe.* | tail -n +3 | xargs rm -f
+        echo "$(date -u '+%Y-%m-%d %H:%M:%S') Cleaned old universe files (kept 2 of $UNIVERSE_COUNT)"
+    fi
+
+    # Remove all bootstrap zip files (only needed for initial setup)
+    ZIP_COUNT=$(ls "$DATA_DIR"/ep*.zip 2>/dev/null | wc -l)
+    if [ "$ZIP_COUNT" -gt 0 ]; then
+        rm -f "$DATA_DIR"/ep*.zip
+        echo "$(date -u '+%Y-%m-%d %H:%M:%S') Removed $ZIP_COUNT bootstrap zip(s)"
+    fi
+
+    # Remove rotated log files (bob.1.log, bob.2.log, etc.) - keep only the active bob.log
+    ROTATED_LOGS=$(ls "$DATA_DIR"/bob.[0-9]*.log 2>/dev/null | wc -l)
+    if [ "$ROTATED_LOGS" -gt 0 ]; then
+        rm -f "$DATA_DIR"/bob.[0-9]*.log
+        echo "$(date -u '+%Y-%m-%d %H:%M:%S') Removed $ROTATED_LOGS rotated bob log(s)"
+    fi
+
+    sleep "$INTERVAL"
+done

docker/supervisord.conf

@@ -32,3 +32,11 @@ stderr_logfile_maxbytes=0
 priority=10
 startsecs=5
 startretries=10
+
+[program:cleanup]
+command=/app/cleanup.sh
+autostart=true
+autorestart=true
+stdout_logfile=/app/logs/cleanup.log
+stderr_logfile=/app/logs/cleanup-error.log
+priority=20