Update Dockerfile

Dockerfile

@@ -1,14 +1,14 @@
 FROM python:3.10
 
 
-# RUN apk add --no-cache bash
-# +%Y%m%d%H%M%S
+# Define a build argument for the timestamp
+ARG BUILD_TIMESTAMP
 
+# Set the environment variable using the build argument
+ENV BUILD_TIMESTAMP=${BUILD_TIMESTAMP}
 
-# Get the current timestamp and store it in an environment variable
-RUN timestamp=$(date +%s) && \
-    echo "Timestamp: $timestamp" && \
-    echo "export BUILD_TIMESTAMP=$timestamp" >> /etc/profile
+# Use the timestamp in a command (for demonstration)
+RUN echo "Build timestamp: ${BUILD_TIMESTAMP}"
 
 # Ensure the timestamp is available as an environment variable
 ENV BUILD_TIMESTAMP=$timestamp