Implemented default pipeline

src/file-processor/Dockerfile

@@ -3,6 +3,12 @@ FROM python:3.12-slim
 # Set working directory
 WORKDIR /app
 
+# Install libmagic
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libmagic1 \
+    file \
+ && rm -rf /var/lib/apt/lists/*
+
 # Copy requirements and install dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt