Refactor code structure for improved readability and maintainability

workers/tilt/Dockerfile

@@ -0,0 +1,33 @@
+FROM nvidia/cuda:12.1.1-cudnn8-runtime-ubuntu22.04
+
+ENV DEBIAN_FRONTEND=noninteractive \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        python3 python3-pip git ca-certificates \
+        libgl1 libglib2.0-0 && \
+    rm -rf /var/lib/apt/lists/* && \
+    ln -sf /usr/bin/python3 /usr/bin/python
+
+WORKDIR /app
+
+# Clone the research repo (inference code + configs). Pinning is recommended:
+# replace HEAD with a specific commit once verified.
+RUN git clone --depth 1 https://github.com/AlanSavio25/DeepSingleImageCalibration.git \
+        /opt/DeepSingleImageCalibration
+
+# Install the CUDA 12.1 torch stack + repo deps.
+COPY workers/tilt/requirements.txt .
+RUN pip install --index-url https://download.pytorch.org/whl/cu121 \
+        torch==2.1.2 torchvision==0.16.2 && \
+    pip install -r requirements.txt
+
+# Best-effort install of the repo's own requirements if present (non-fatal).
+RUN if [ -f /opt/DeepSingleImageCalibration/requirements.txt ]; then \
+        pip install -r /opt/DeepSingleImageCalibration/requirements.txt || true ; \
+    fi
+
+COPY workers/tilt/handler.py .
+
+CMD ["python3", "-u", "handler.py"]