feat: Add vips dependencies for sharp in backend Dockerfile

- Added `vips-dev` and `vips` to build and runtime dependencies.
- Updated installation process to ensure compilation

backend/src/routes/events.ts

@@ -4,7 +4,6 @@ import { events } from '../db/schema.js';
 import { eq } from 'drizzle-orm';
 import fs from 'fs';
 import path from 'path';
-import sharp from 'sharp';
 
 // Fastify JSON schema for event body
 const eventBodyJsonSchema = {
@@ -114,12 +113,15 @@ const eventsRoute: FastifyPluginAsync = async (fastify) => {
       let outBuffer: Buffer | null = null;
       let outExt = '.webp';
       try {
+        // Lazy load sharp only when needed
+        const sharp = (await import('sharp')).default;
         outBuffer = await sharp(inputBuffer)
           .rotate()
           .resize({ width: 1600, withoutEnlargement: true })
           .webp({ quality: 82 })
           .toBuffer();
-      } catch {
+      } catch (err) {
+        fastify.log.warn({ err }, 'Sharp processing failed, using original image');
         outBuffer = inputBuffer;
         // naive extension from mimetype
         const extFromMime = mime.split('/')[1] || 'bin';

backend/src/routes/gallery.ts

@@ -5,7 +5,6 @@ import { galleryImages } from '../db/schema.js';
 import { eq } from 'drizzle-orm';
 import fs from 'fs';
 import path from 'path';
-import sharp from 'sharp';
 
 // Fastify JSON schema for gallery image body
 const galleryBodyJsonSchema = {
@@ -106,12 +105,15 @@ const galleryRoute: FastifyPluginAsync = async (fastify) => {
       let outBuffer: Buffer | null = null;
       let outExt = '.webp';
       try {
+        // Lazy load sharp only when needed
+        const sharp = (await import('sharp')).default;
         outBuffer = await sharp(inputBuffer)
           .rotate()
           .resize({ width: 1600, withoutEnlargement: true })
           .webp({ quality: 82 })
           .toBuffer();
-      } catch {
+      } catch (err) {
+        fastify.log.warn({ err }, 'Sharp processing failed, using original image');
         outBuffer = inputBuffer;
         // naive extension from mimetype
         const extFromMime = mime.split('/')[1] || 'bin';