Fix entrypoint commands

Author: mesudip

entrypoint.sh

@@ -1,3 +1,4 @@
+#!/bin/bash
 set -euo pipefail
 
 ### generate pgpass file
@@ -31,8 +32,8 @@ then
 
 
   DB_MAX_BLOCK=$(psql -h $PGHOST $PGDATABASE -U $PGUSER -t -c 'select max (block_no) from block;')
-  NODE_CUR_BLOCK=0
-  while [ $NODE_CUR_BLOCK -lt $DB_MAX_BLOCK ]; do
+  NODE_CUR_BLOCK="0"
+  while [ "$NODE_CUR_BLOCK" -lt "$DB_MAX_BLOCK" ]; do
     NODE_STATUS="$(cardano-cli query tip --mainnet 2>/dev/null || true)"
     NODE_CUR_BLOCK="$(jq -e -r '.block' <<<"$NODE_STATUS" 2>/dev/null || true)"
     echo "Waiting... Sync progress at $NODE_CUR_BLOCK /$DB_MAX_BLOCK"
@@ -54,7 +55,7 @@ CONFIG_HOME="/environments"
 if [ -z "${NETWORK:-}" ]; then
   echo "NETWORK is not set, defaulting to mainnet"
   NETWORK="mainnet"
-  NO_NETWORK_SET=1
+  NO_NETWORK_SET="1"
 else
   echo "NETWORK is set to $NETWORK"
 fi
@@ -76,7 +77,7 @@ fi
 if [[ -z "${DB_SYNC_CONFIG:-}" ]]; then
   DB_SYNC_CONFIG="$CONFIG_HOME/$NETWORK"
 
-elif [[ -z "${NO_NETWORK_SET}" ]]; then # dbsync config is set and network is not
+elif [[ -z "${NO_NETWORK_SET:-}" ]]; then # dbsync config is set and network is not
   DB_SYNC_CONFIG="$CONFIG_HOME"
 
 else  ## both NETWORK and DB_SYNC_CONFIG are set