fix: Change port to 80 for Easypanel compatibility

- Standard HTTP port for web servers
- Better compatibility with hosting platforms

Dockerfile

@@ -33,14 +33,11 @@ COPY --from=builder /app/astro.config.mjs ./
 # Create data directory for database
 RUN mkdir -p /app/data
 
-EXPOSE 4321
-
-# Health check
-HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-  CMD node -e "require('http').get('http://localhost:4321', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
+EXPOSE 80
 
 ENV NODE_ENV=production
 ENV ASTRO_DB_REMOTE_URL=file:/app/data/consent.db
+ENV PORT=80
 
 # Start Astro preview server
-CMD ["npm", "run", "preview", "--", "--host", "0.0.0.0", "--port", "4321"]
+CMD ["npm", "run", "preview", "--", "--host", "0.0.0.0", "--port", "80"]