Mount faucet data directory to a volume

stack-orchestrator/compose/docker-compose-laconic-faucet.yml

@@ -11,6 +11,7 @@ services:
       CERC_TRANSFER_AMOUNT: ${CERC_TRANSFER_AMOUNT:-1000000}
       CERC_DAILY_LIMIT: ${CERC_DAILY_LIMIT:-3000000}
     volumes:
+      - faucet-data:/app/db
       - ../config/laconic-faucet/start-faucet.sh:/app/start-faucet.sh
       - ../config/laconic-faucet/config-template.toml:/app/environments/config-template.toml
     ports:
@@ -23,3 +24,6 @@ services:
       timeout: 5s
       retries: 10
       start_period: 5s
+
+volumes:
+  faucet-data: