Use Dockerfile deployment

Dockerfile

@@ -1,4 +1,23 @@
-FROM node:22-alpine
+FROM node:22-alpine AS deps
+
+WORKDIR /app
+
+ENV NEXT_TELEMETRY_DISABLED=1
+
+COPY package.json package-lock.json ./
+RUN npm ci
+
+FROM node:22-alpine AS builder
+
+WORKDIR /app
+
+ENV NEXT_TELEMETRY_DISABLED=1
+
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+RUN npm run build
+
+FROM node:22-alpine AS runner
 
 WORKDIR /app
 
@@ -10,10 +29,10 @@ ENV PORT=3000
 COPY package.json package-lock.json ./
 RUN npm ci --omit=dev
 
-COPY .next ./.next
-COPY public ./public
-COPY src/app/icon.svg ./src/app/icon.svg
-COPY next.config.ts ./
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/src/app/icon.svg ./src/app/icon.svg
+COPY --from=builder /app/next.config.ts ./next.config.ts
 
 EXPOSE 3000