fix: add Dockerfile for Railway deployment

Rename Dockerfile.docker to Dockerfile to match railway.toml configuration

Author: carlosmgv02

Dockerfile

@@ -0,0 +1,22 @@
+# Late MCP HTTP Server - Railway Deployment
+# Uses uv for fast, reliable dependency management
+
+FROM ghcr.io/astral-sh/uv:python3.12-slim
+
+WORKDIR /app
+
+# Copy dependency files
+COPY pyproject.toml uv.lock README.md ./
+COPY src ./src
+
+# Install dependencies (no dev dependencies in production)
+RUN --mount=type=cache,id=uv-cache,target=/root/.cache/uv \
+    uv sync --frozen --no-dev --extra mcp
+
+# Expose port (Railway will set PORT env var)
+EXPOSE 8080
+
+# Health check for Railway monitoring (Railway will use /health endpoint)
+
+# Run HTTP server (Railway sets PORT env var automatically)
+CMD ["sh", "-c", "uv run late-mcp-http --host 0.0.0.0 --port ${PORT:-8080}"]