Made the right Dockerfile for Svelte (had to add a Node adapter also)

frontend/Dockerfile

@@ -0,0 +1,25 @@
+FROM node:22.5.1-alpine AS builder
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+RUN npm run build
+RUN npm prune --omit=dev
+
+FROM node:22.5.1-alpine AS deployer
+
+WORKDIR /app
+
+COPY --from=builder /app/build build/
+COPY --from=builder /app/package.json .
+
+EXPOSE 3000
+
+ENV NODE_ENV=production
+
+CMD [ "node", "build" ]