Add Docker packaging for the TypeScript app

.env.example

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+# Required
+JELLYFIN_URL=
+JELLYFIN_API_KEY=
+JELLYFIN_USER_ID=
+TMDB_API_KEY=
+
+# LLM (disabled by default — works with Ollama, OpenAI, LM Studio, etc.)
+LLM_ENABLED=false
+LLM_BASE_URL=http://localhost:11434/v1
+LLM_API_KEY=
+LLM_MODEL=llama3
+
+# Radarr (disabled by default)
+RADARR_ENABLED=false
+RADARR_URL=
+RADARR_API_KEY=
+RADARR_QUALITY_PROFILE_ID=1
+RADARR_ROOT_FOLDER=/movies
+
+# Cron auto-run (disabled by default)
+CRON_ENABLED=false
+CRON_SCHEDULE=0 3 * * *
+
+# HTTP API (enabled by default)
+API_ENABLED=true
+API_PORT=8080
+SECRET_KEY=
+
+# Tuning
+RECOMMEND_COUNT=10
+RECOMMEND_MAX_RETRY=3
+MIN_RATED_MOVIES=5
+
+# Langfuse (required by the TypeScript app)
+LANGFUSE_PUBLIC_KEY=
+LANGFUSE_SECRET_KEY=
+LANGFUSE_BASE_URL=
+LANGFUSE_PROMPT_CACHE_ENABLED=true

Dockerfile.node

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+FROM node:22-alpine AS build
+WORKDIR /app
+RUN corepack enable
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile --ignore-scripts
+COPY tsconfig.json ./
+COPY src ./src
+RUN pnpm build
+
+FROM node:22-alpine AS runtime
+WORKDIR /app
+ENV NODE_ENV=production
+RUN corepack enable
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile --prod
+COPY --from=build /app/dist ./dist
+ENTRYPOINT ["node", "dist/app/index.js"]

docker-compose.node.yml

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+services:
+  sugarr-node:
+    build:
+      context: .
+      dockerfile: Dockerfile.node
+    container_name: sugarr-node
+    restart: unless-stopped
+    ports:
+      - "${API_PORT}:${API_PORT}"
+    environment:
+      JELLYFIN_URL: ${JELLYFIN_URL}
+      JELLYFIN_API_KEY: ${JELLYFIN_API_KEY}
+      JELLYFIN_USER_ID: ${JELLYFIN_USER_ID}
+      TMDB_API_KEY: ${TMDB_API_KEY}
+      LLM_ENABLED: ${LLM_ENABLED}
+      LLM_BASE_URL: ${LLM_BASE_URL}
+      LLM_MODEL: ${LLM_MODEL}
+      LLM_API_KEY: ${LLM_API_KEY}
+      RADARR_ENABLED: ${RADARR_ENABLED}
+      RADARR_URL: ${RADARR_URL}
+      RADARR_API_KEY: ${RADARR_API_KEY}
+      RADARR_QUALITY_PROFILE_ID: ${RADARR_QUALITY_PROFILE_ID}
+      RADARR_ROOT_FOLDER: ${RADARR_ROOT_FOLDER}
+      CRON_ENABLED: ${CRON_ENABLED}
+      CRON_SCHEDULE: ${CRON_SCHEDULE}
+      API_ENABLED: ${API_ENABLED}
+      API_PORT: ${API_PORT}
+      SECRET_KEY: ${SECRET_KEY}
+      RECOMMEND_COUNT: ${RECOMMEND_COUNT}
+      RECOMMEND_MAX_RETRY: ${RECOMMEND_MAX_RETRY}
+      MIN_RATED_MOVIES: ${MIN_RATED_MOVIES}
+      LANGFUSE_PUBLIC_KEY: ${LANGFUSE_PUBLIC_KEY}
+      LANGFUSE_SECRET_KEY: ${LANGFUSE_SECRET_KEY}
+      LANGFUSE_BASE_URL: ${LANGFUSE_BASE_URL}
+      LANGFUSE_PROMPT_CACHE_ENABLED: ${LANGFUSE_PROMPT_CACHE_ENABLED}
+    networks:
+      - media
+
+networks:
+  media: