diff --git a/.gitignore b/.gitignore
index 2e12554..3b06537 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ build/
 dist/
 *.egg-info/
 *.pyc
+test_data/
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 0a369c5..40cb482 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,14 @@
 FROM python:3.13-slim
 
-# Install FFmpeg and dependencies (gosu will be downloaded separately)
+# Install FFmpeg and dependencies required for gosu installation
 RUN apt-get update && \
-    apt-get install -y --no-install-recommends ffmpeg ca-certificates wget gpg && \
+    apt-get install -y --no-install-recommends \
+        ffmpeg \
+        ca-certificates \
+        wget \
+        gnupg \
+        dirmngr \
+        gnupg-agent && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
@@ -47,5 +53,5 @@ RUN chmod +x /usr/local/bin/docker-entrypoint.sh
 # Set the entrypoint
 ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
 
-# Default command (shows help if no arguments)
-CMD ["audio_splitter", "--help"]
+# Default command (shows help if no arguments provided)
+CMD ["--help"]
\ No newline at end of file
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 34edfa6..178ffb6 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -9,9 +9,10 @@ if [ "$(id -u)" = "0" ]; then
         chown -R appuser:appgroup /data
     fi
 
-    # Drop privileges and run the command using gosu
-    exec gosu appuser "$@"
+    # Drop privileges and run audio_splitter with the provided arguments
+    exec gosu appuser audio_splitter "$@"
 else
-    # If not root, just run the command directly
-    exec "$@"
-fi
+    # If not root, just run audio_splitter directly
+    # It's not supposed to be called
+    exec audio_splitter "$@"
+fi
\ No newline at end of file