feat(News): refactor news service and add sentiment tracking

FinlyticNews/Dockerfile

@@ -1,21 +1,66 @@
-FROM mcr.microsoft.com/dotnet/runtime:10.0 AS base
-USER $APP_UID
-WORKDIR /app
+# ─────────────────────────────────────────────────────────────────────────────
+# FinlyticNews — Application Dockerfile
+#
+# Prerequisite: The Playwright base image must exist locally.
+#   docker build -f FinlyticNews/Dockerfile.playwright-base `
+#                -t finlytic-playwright-base:1.49.0 `
+#                FinlyticNews
+#
+# Then build this image as normal:
+#   docker compose build finlyticnews
+#   — or —
+#   docker build -f FinlyticNews/Dockerfile -t finlyticnews .
+# ─────────────────────────────────────────────────────────────────────────────
 
+# ── Stage 1: Build ────────────────────────────────────────────────────────────
 FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
 ARG BUILD_CONFIGURATION=Release
 WORKDIR /src
+
+# Restore dependencies first (cached until .csproj changes)
 COPY ["FinlyticNews/FinlyticNews.csproj", "FinlyticNews/"]
+COPY ["FinlyticCore/FinlyticCore.csproj", "FinlyticCore/"]
 RUN dotnet restore "FinlyticNews/FinlyticNews.csproj"
+
+# Build
 COPY . .
 WORKDIR "/src/FinlyticNews"
 RUN dotnet build "./FinlyticNews.csproj" -c $BUILD_CONFIGURATION -o /app/build
 
+# ── Stage 2: Publish ──────────────────────────────────────────────────────────
 FROM build AS publish
 ARG BUILD_CONFIGURATION=Release
-RUN dotnet publish "./FinlyticNews.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false
+# PlaywrightCopyPlaywrightFilesToOutput copies the Node driver + CLI into /app/publish/.playwright
+# We only need this to get the playwright CLI script; browsers come from the base image.
+RUN dotnet publish "./FinlyticNews.csproj" \
+        -c $BUILD_CONFIGURATION \
+        -o /app/publish \
+        /p:UseAppHost=false \
+        /p:PlaywrightCopyPlaywrightFilesToOutput=true
 
-FROM base AS final
+# ── Stage 3: Final ────────────────────────────────────────────────────────────
+# Use the pre-built base image that already has Chromium + all OS dependencies.
+# This layer is cached on Docker Desktop and NOT re-downloaded on code changes.
+FROM finlytic-playwright-base:1.49.0 AS final
+
+USER root
 WORKDIR /app
+
+# Copy published application
 COPY --from=publish /app/publish .
+
+# The Playwright CLI + Node driver are published into .playwright by the build above.
+# Verify the driver is present (sanity check — doesn't install anything).
+RUN test -d /app/.playwright && \
+    test -f /app/.playwright/node/linux-x64/node && \
+    echo "✅ Playwright driver present"
+
+# Browsers are already in /opt/ms-playwright from the base image — nothing to download.
+ENV PLAYWRIGHT_BROWSERS_PATH=/opt/ms-playwright
+
+# Fix ownership
+RUN chown -R $APP_UID:$APP_UID /app /opt/ms-playwright
+
+USER $APP_UID
+
 ENTRYPOINT ["dotnet", "FinlyticNews.dll"]