Add curl to Dockerfile for Coolify healthcheck

Coolify requires curl or wget in the container for HTTP healthchecks.
Removed custom HEALTHCHECK instruction - Coolify manages it via UI settings.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Dockerfile

@@ -5,7 +5,7 @@ WORKDIR /app
 # System deps for PyMuPDF and document processing
 RUN apt-get update && apt-get install -y --no-install-recommends \
     gcc libmupdf-dev libfreetype6-dev libharfbuzz-dev libjpeg62-turbo-dev \
-    libopenjp2-7-dev && rm -rf /var/lib/apt/lists/*
+    libopenjp2-7-dev curl && rm -rf /var/lib/apt/lists/*
 
 # Copy MCP server source (for importing services)
 COPY mcp-server/pyproject.toml /app/mcp-server/pyproject.toml
@@ -23,7 +23,4 @@ ENV DOTENV_PATH=/home/chaim/.env
 
 EXPOSE 8080
 
-HEALTHCHECK --interval=5s --timeout=5s --start-period=10s --retries=10 \
-  CMD python3 -c "import urllib.request; urllib.request.urlopen('http://localhost:8080/')" || exit 1
-
 CMD ["uvicorn", "web.app:app", "--host", "0.0.0.0", "--port", "8080"]