feat: add Orcaslicer and docker

backend/Dockerfile

@@ -0,0 +1,43 @@
+FROM --platform=linux/amd64 python:3.10-slim-bookworm
+
+# Install system dependencies for OrcaSlicer (AppImage)
+RUN apt-get update && apt-get install -y \
+    wget \
+    p7zip-full \
+    libgl1 \
+    libglib2.0-0 \
+    libgtk-3-0 \
+    libdbus-1-3 \
+    libwebkit2gtk-4.1-0 \
+    libwebkit2gtk-4.0-37 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Download and extract OrcaSlicer
+# Using v2.2.0 as a stable recent release
+# We extract the AppImage to run it without FUSE
+RUN wget -q https://github.com/SoftFever/OrcaSlicer/releases/download/v2.2.0/OrcaSlicer_Linux_V2.2.0.AppImage -O OrcaSlicer.AppImage \
+    && 7z x OrcaSlicer.AppImage -o/opt/orcaslicer \
+    && chmod -R +x /opt/orcaslicer \
+    && rm OrcaSlicer.AppImage
+
+# Add OrcaSlicer to PATH
+ENV PATH="/opt/orcaslicer/usr/bin:${PATH}"
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Create directories for app and temp files
+RUN mkdir -p /app/temp /app/profiles
+
+# Copy application code
+COPY . .
+
+# Expose port
+EXPOSE 8000
+
+# Run the application
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]