fixed things

docker/Dockerfile.backend

@@ -0,0 +1,28 @@
+FROM python:3.12-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    gcc \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install Python dependencies
+COPY requirements-backend.txt .
+RUN pip install --no-cache-dir -r requirements-backend.txt
+
+# Copy source code
+COPY src/ ./src/
+
+# Create non-root user
+RUN useradd -m -u 1000 jobforge && chown -R jobforge:jobforge /app
+USER jobforge
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:8000/health || exit 1
+
+EXPOSE 8000
+
+CMD ["uvicorn", "src.backend.main:app", "--host", "0.0.0.0", "--port", "8000"]