diff --git a/Dockerfile b/Dockerfile
index c008718642df9e72cfd44f3b9207a8fc66a69a03..e281af8a422fc7480b63cdd9f055f7333fad09c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,9 +18,45 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Copy application code
 COPY . .
 
-# Make the wait-for script executable
-COPY ./docker/wait-for.sh /wait-for.sh
-RUN chmod +x /wait-for.sh
+# Create wait-for.sh script directly in the Dockerfile
+RUN echo '#!/bin/sh \n\
+# wait-for.sh \n\
+\n\
+set -e \n\
+\n\
+host="$1" \n\
+shift \n\
+\n\
+# Handle the -- separator if present \n\
+if [ "$1" = "--" ]; then \n\
+  shift \n\
+fi \n\
+\n\
+cmd="$@" \n\
+\n\
+# Extract hostname from host:port format \n\
+hostname=$(echo "$host" | cut -d: -f1) \n\
+port=$(echo "$host" | cut -d: -f2) \n\
+\n\
+echo "Waiting for MySQL database at $hostname:$port..." \n\
+\n\
+# First wait for DNS resolution \n\
+until getent hosts "$hostname" || ping -c 1 "$hostname" >/dev/null 2>&1; do \n\
+  echo "Waiting for DNS resolution of $hostname..." \n\
+  sleep 3 \n\
+done \n\
+\n\
+echo "DNS resolution successful for $hostname" \n\
+\n\
+# Then wait for port to be available \n\
+until nc -z -v -w30 "$hostname" "$port"; do \n\
+  echo "Waiting for MySQL database at $hostname:$port to start accepting connections..." \n\
+  sleep 2 \n\
+done \n\
+\n\
+echo "MySQL database is up - executing command: $cmd" \n\
+exec $cmd' > /wait-for.sh \
+    && chmod +x /wait-for.sh
 
 # Expose port 5000 for the Flask app
 EXPOSE 5000
diff --git a/docker/wait-for.sh b/docker/wait-for.sh
deleted file mode 100644
index 59da49b995c9bcbd2409b060ed53e2798e4439c9..0000000000000000000000000000000000000000
--- a/docker/wait-for.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/bin/sh
-# wait-for.sh
-
-set -e
-
-host="$1"
-shift
-
-# Handle the -- separator if present
-if [ "$1" = "--" ]; then
-  shift
-fi
-
-cmd="$@"
-
-# Extract hostname from host:port format
-hostname=$(echo "$host" | cut -d: -f1)
-port=$(echo "$host" | cut -d: -f2)
-
-echo "Waiting for MySQL database at $hostname:$port..."
-
-# First wait for DNS resolution
-until getent hosts "$hostname" || ping -c 1 "$hostname" >/dev/null 2>&1; do
-  echo "Waiting for DNS resolution of $hostname..."
-  sleep 3
-done
-
-echo "DNS resolution successful for $hostname"
-
-# Then wait for port to be available
-until nc -z -v -w30 "$hostname" "$port"; do
-  echo "Waiting for MySQL database at $hostname:$port to start accepting connections..."
-  sleep 2
-done
-
-echo "MySQL database is up - executing command: $cmd"
-exec $cmd 
\ No newline at end of file