[TASK] Added Dockerfile to build docker container

Dockerfile

@@ -0,0 +1,23 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Copy requirements and install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the application code
+COPY . .
+
+# Create the export directory
+RUN mkdir -p /app/export
+
+# Set environment variables
+ENV TARGET_DIR=/app/export
+# IMMICH_HOST and IMMICH_API_KEY should be provided at runtime
+
+# Set the entrypoint
+ENTRYPOINT ["python", "immich-export.py"]
+
+# Default command (can be overridden)
+CMD []