fix: don’t keep an extra Bash process running

Author: michalrus

scripts/start_cardano-db-sync.sh

@@ -5,8 +5,8 @@ CARDANO_DB_SYNC_EXE=$1
 
 # Workaround for: https://github.com/input-output-hk/cardano-db-sync/issues/433
 sleep 5;
-$CARDANO_DB_SYNC_EXE \
+exec $CARDANO_DB_SYNC_EXE \
   --config /config/cardano-db-sync/config.json \
   --schema-dir /cardano-db-sync/schema/ \
   --socket-path /ipc/node.socket \
-  --state-dir /data/db-sync
+  --state-dir /data/db-sync