diff --git a/Dockerfile b/Dockerfile
index d0037ae..4791904 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,7 @@ RUN apt-get update && apt-get install -y \
     libpq-dev \
     curl \
     netcat-traditional \
+    dos2unix \
     && rm -rf /var/lib/apt/lists/*
 
 # Create a non-root user
@@ -16,7 +17,8 @@ WORKDIR /app
 
 # Copy start.sh first and set permissions
 COPY start.sh .
-RUN chmod +x start.sh
+RUN dos2unix start.sh && \
+    chmod +x start.sh
 
 # Copy requirements first to leverage Docker cache
 COPY requirements.txt .
@@ -32,5 +34,5 @@ RUN mkdir -p /app/uploads /app/static/uploads && \
 # Switch to non-root user
 USER celery
 
-# Set entrypoint
-ENTRYPOINT ["./start.sh"] 
\ No newline at end of file
+# Set entrypoint using shell form
+ENTRYPOINT ./start.sh 
\ No newline at end of file
diff --git a/start.sh b/start.sh
index ce8d60b..914b43c 100644
--- a/start.sh
+++ b/start.sh
@@ -1,4 +1,7 @@
-#!/bin/bash
+#!/usr/bin/env bash
+set -e
+
+echo "Starting DocuPulse..."
 
 echo "Waiting for database..."
 while ! nc -z db 5432; do