Update node image verbosity

Now allowed to be modified via env var

Dockerfile.node

@@ -21,6 +21,7 @@ ENV PASSWORD ''
 ENV PRIVATE_KEY ''
 ENV BOOTNODES ''
 ENV EXTIP ''
+ENV VERBOSITY 3
 ENV SYNC_MODE 'full'
 ENV NETWORK_ID '89'
 ENV WS_SECRET ''

docker/tomochain/entrypoint.sh

@@ -6,6 +6,7 @@
 # - PRIVATE_KEY (default to empty)
 # - BOOTNODES (default to empty)
 # - EXTIP (default to empty)
+# - VERBOSITY (default to 3)
 # - SYNC_MODE (default to 'full')
 # - NETWORK_ID (default to '89')
 # - WS_SECRET (default to empty)
@@ -141,7 +142,7 @@ fi
 echo "dump: $IDENTITY $account $BOOTNODES"
 
 exec tomo $params \
-  --verbosity 4 \
+  --verbosity $VERBOSITY \
   --datadir $DATA_DIR \
   --keystore $KEYSTORE_DIR \
   --identity $IDENTITY \