docker: add entrypoint.sh to support user-specified command to fix #104

Dockerfile

@@ -16,5 +16,9 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Set the working directory to /app
 WORKDIR /app
 
-# Set this as the default command
-# ENTRYPOINT [ "python", "/app_src/main.py" ]
+# Copy and set the entrypoint script
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+# Set the entrypoint script as the default command
+ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+echo "Starting entrypoint script..."
+
+if [ "$1" = "python3" ] || [ "$1" = "python" ]; then
+    # If the first argument is python or python3, execute the user-specified command
+    echo "Executing user-specified python command: $@"
+    exec "$@"
+else
+    # Otherwise, execute the default python3 /app_src/main.py command with all arguments
+    echo "Executing default command: python3 /app_src/main.py $@"
+    exec python3 /app_src/main.py "$@"
+fi