Enhance caching mechanism and logging configuration

- Updated .gitignore to include additional IDE and OS files, as well as log and web build directories.
- Expanded config.sample.yaml to include cache configuration options for memory and Redis.
- Modified wallamonitor.py to load cache configuration and initialize ArticleCache.
- Refactored QueueManager to utilize ArticleCache for tracking notified articles.
- Improved logging setup to dynamically determine log file path based on environment.

web/backend/Dockerfile

@@ -0,0 +1,26 @@
+FROM node:18-alpine
+
+# Instalar wget para healthcheck
+RUN apk add --no-cache wget
+
+WORKDIR /app
+
+# Copiar archivos de dependencias
+COPY package.json package-lock.json* ./
+
+# Instalar dependencias
+RUN npm ci --only=production
+
+# Copiar código de la aplicación
+COPY server.js .
+
+# Exponer puerto
+EXPOSE 3001
+
+# Healthcheck
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+  CMD wget --quiet --tries=1 --spider http://localhost:3001/api/stats || exit 1
+
+# Comando por defecto
+CMD ["node", "server.js"]
+