diff --git a/Dockerfile b/Dockerfile
index 2893b6a..d794d09 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,8 @@
 FROM python:3.12-slim
 
-RUN apt-get update && apt-get install -y --no-install-recommends     ffmpeg     && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg \
+    && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 
@@ -9,6 +11,12 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 COPY . .
 
+RUN mkdir -p /app/data /app/uploads /app/outputs && \
+    groupadd -r appuser && useradd -r -g appuser appuser && \
+    chown -R appuser:appuser /app
+
+USER appuser
+
 EXPOSE 5000
 
 ENV PYTHONDONTWRITEBYTECODE=1
diff --git a/data/test.wav b/data/test.wav
new file mode 100644
index 0000000..d5fabd5
Binary files /dev/null and b/data/test.wav differ
diff --git a/outputs/job-2.mp4 b/outputs/job-2.mp4
new file mode 100644
index 0000000..b1fea87
Binary files /dev/null and b/outputs/job-2.mp4 differ
diff --git a/uploads/1785968979-f0b32b4d-aud-Batch_2.wav b/uploads/1785968979-f0b32b4d-aud-Batch_2.wav
new file mode 100644
index 0000000..d5fabd5
Binary files /dev/null and b/uploads/1785968979-f0b32b4d-aud-Batch_2.wav differ
diff --git a/uploads/1785968979-f0b32b4d-img-Batch_2.jpg b/uploads/1785968979-f0b32b4d-img-Batch_2.jpg
new file mode 100644
index 0000000..2725013
Binary files /dev/null and b/uploads/1785968979-f0b32b4d-img-Batch_2.jpg differ
diff --git a/uploads/1785968984-fb77a33d-aud-Error_Test.wav b/uploads/1785968984-fb77a33d-aud-Error_Test.wav
new file mode 100644
index 0000000..d5fabd5
Binary files /dev/null and b/uploads/1785968984-fb77a33d-aud-Error_Test.wav differ
diff --git a/uploads/1785968984-fb77a33d-img-Error_Test.png b/uploads/1785968984-fb77a33d-img-Error_Test.png
new file mode 100644
index 0000000..9cbff6e
Binary files /dev/null and b/uploads/1785968984-fb77a33d-img-Error_Test.png differ