Update Dockerfile

Dockerfile

@@ -24,13 +24,20 @@ RUN cmake --build build -j$(nproc)
 # ── Stage 2: Runtime ─────────────────────────────────────────
 FROM ubuntu:22.04
 
+# FIX: Install runtime libraries for Boost and OpenSSL so the binary can run
+RUN apt-get update && apt-get install -y \
+    libboost-system1.74.0 \
+    libboost-coroutine1.74.0 \
+    libboost-context1.74.0 \
+    libssl3 \
+    && rm -rf /var/lib/apt/lists/*
+
 # HF Spaces requires the app to run as user 1000
 RUN useradd -m -u 1000 appuser
 
 WORKDIR /app
 
 # Copy the compiled binary from the builder stage
-# FIXED: The executable is 'collabdocs', not 'collab_docs'
 COPY --from=builder --chown=appuser:appuser /app/build/collabdocs ./app_server
 
 # Copy your frontend file so the C++ server can serve it