Implemented default pipeline

src/worker/Dockerfile

@@ -3,12 +3,18 @@ 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
 
 # Copy application code
-COPY tasks/ .
+COPY . .
 
 # Command will be overridden by docker-compose
-CMD ["celery", "-A", "main", "worker", "--loglevel=info"]
+CMD ["celery", "-A", "main", "worker", "--loglevel=info"]