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

FinlyticNews/Dockerfile.playwright-base

@@ -0,0 +1,47 @@
+# ─────────────────────────────────────────────────────────────────────────────
+# Playwright Base Image for FinlyticNews
+#
+# BUILD ONCE (only rebuild when PLAYWRIGHT_VERSION changes):
+#   docker build -f FinlyticNews/Dockerfile.playwright-base `
+#                -t finlytic-playwright-base:1.49.0 `
+#                FinlyticNews
+#
+# This image is then used as the base in the main Dockerfile so that
+# Chromium + all its OS dependencies are already cached in the image layer
+# and don't need to be downloaded on every code build.
+# ─────────────────────────────────────────────────────────────────────────────
+
+FROM mcr.microsoft.com/dotnet/runtime:10.0
+
+ARG PLAYWRIGHT_VERSION=1.49.0
+
+USER root
+WORKDIR /pw-install
+
+# ── 1. Install OS dependencies that Playwright needs ────────────────────────
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        libgssapi-krb5-2 \
+        wget \
+        curl \
+        ca-certificates && \
+    rm -rf /var/lib/apt/lists/*
+
+# ── 2. Install Node.js (LTS) via NodeSource ─────────────────────────────────
+# We need Node only to run `playwright install`; it stays in the image.
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
+    apt-get install -y --no-install-recommends nodejs && \
+    rm -rf /var/lib/apt/lists/*
+
+# ── 3. Install Playwright CLI + Chromium with all OS dependencies ────────────
+ENV PLAYWRIGHT_BROWSERS_PATH=/opt/ms-playwright
+
+RUN npx --yes playwright@${PLAYWRIGHT_VERSION} install --with-deps chromium && \
+    # Remove npx cache & npm to keep the image lean
+    npm cache clean --force && \
+    rm -rf /root/.npm
+
+# ── 4. Verify the installation ───────────────────────────────────────────────
+RUN ls /opt/ms-playwright/ && echo "✅ Playwright browsers installed successfully"
+
+WORKDIR /app