Add CLAMD_STARTUP_TIMEOUT to docker-compose.yml environment

Co-authored-by: DerLinkman <62480600+DerLinkman@users.noreply.github.com>

data/Dockerfiles/clamd/clamd.sh

@@ -95,6 +95,51 @@ echo "$(clamd -V) is starting... please wait a moment."
 nice -n10 clamd &
 BACKGROUND_TASKS+=($!)
 
+# Give clamd time to start up, especially with limited resources
+# This grace period allows clamd to initialize fully before health checks begin
+# Can be configured via CLAMD_STARTUP_TIMEOUT environment variable
+STARTUP_GRACE_PERIOD=${CLAMD_STARTUP_TIMEOUT:-600}  # Default: 10 minutes in seconds
+echo "Waiting up to ${STARTUP_GRACE_PERIOD} seconds for clamd to start up..."
+
+# Helper function to check if clamd is ready
+clamd_is_ready() {
+  [ "$(echo "PING" | nc -w 1 localhost 3310 2>/dev/null)" = "PONG" ]
+}
+
+# Wait for clamd to be ready or until timeout
+START_TIME=$(date +%s)
+POLL_INTERVAL=10
+CLAMD_READY=0
+
+while true; do
+  CURRENT_TIME=$(date +%s)
+  ELAPSED=$((CURRENT_TIME - START_TIME))
+  
+  # Check if clamd is responsive by attempting to connect on localhost
+  # clamd listens on 0.0.0.0:3310 (configured in Dockerfile)
+  if clamd_is_ready; then
+    echo "clamd is ready after ${ELAPSED} seconds"
+    CLAMD_READY=1
+    break
+  fi
+  
+  # Check if we've exceeded the timeout
+  if [ ${ELAPSED} -ge ${STARTUP_GRACE_PERIOD} ]; then
+    break
+  fi
+  
+  sleep ${POLL_INTERVAL}
+done
+
+# Report final status only if not already reported as ready
+if [ ${CLAMD_READY} -eq 0 ]; then
+  if clamd_is_ready; then
+    echo "clamd is now ready (started during final check)"
+  else
+    echo "Warning: clamd did not respond to PING within ${STARTUP_GRACE_PERIOD} seconds - it may still be starting up"
+  fi
+fi
+
 while true; do
   for bg_task in ${BACKGROUND_TASKS[*]}; do
     if ! kill -0 ${bg_task} 1>&2; then

docker-compose.yml

@@ -75,6 +75,7 @@ services:
       environment:
         - TZ=${TZ}
         - SKIP_CLAMD=${SKIP_CLAMD:-n}
+        - CLAMD_STARTUP_TIMEOUT=${CLAMD_STARTUP_TIMEOUT:-600}
       volumes:
         - ./data/conf/clamav/:/etc/clamav/:Z
         - clamd-db-vol-1:/var/lib/clamav