Fix entrypoint commands

Author: mesudip

entrypoint.sh

@@ -1,3 +1,4 @@
+#!/bin/bash
 set -euo pipefail
 
 ### generate pgpass file
@@ -31,6 +32,12 @@ then
 
 
   DB_MAX_BLOCK=$(psql -h $PGHOST $PGDATABASE -U $PGUSER -t -c 'select max (block_no) from block;')
+    # Ensure DB_MAX_BLOCK is a valid integer, if not, exit with an error
+    if ! [[ "$DB_MAX_BLOCK" =~ ^[0-9]+$ ]]; then
+      echo "Block in db:" $DB_MAX_BLOCK
+      DB_MAX_BLOCK=0
+      exit 1
+    fi
   NODE_CUR_BLOCK=0
   while [ $NODE_CUR_BLOCK -lt $DB_MAX_BLOCK ]; do
     NODE_STATUS="$(cardano-cli query tip --mainnet 2>/dev/null || true)"
@@ -54,7 +61,7 @@ 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 $NETWORK"
 fi
@@ -76,7 +83,7 @@ fi
 if [[ -z "${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
@@ -90,7 +97,7 @@ else  ## both NETWORK and DB_SYNC_CONFIG are set
 fi
 
 
-SCHEMA_DIR=$(find /nix/store -name -type d '*-schema')}
+SCHEMA_DIR=$(find /nix/store -name '*-schema')}
 
 exec cardano-db-sync \ 
   --config "$DB_SYNC_CONFIG" \