Use Node v20

Dockerfile

@@ -1,13 +1,13 @@
 # Install dependencies only when needed
-FROM node:lts-alpine AS deps
+FROM node:20-alpine AS deps
 # Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
 RUN apk add --no-cache libc6-compat
 WORKDIR /app
 COPY package.json package-lock.json ./
 RUN npm ci
 
 # Rebuild the source code only when needed
-FROM node:lts-alpine AS builder
+FROM node:20-alpine AS builder
 WORKDIR /app
 COPY . .
 COPY --from=deps /app/node_modules ./node_modules
@@ -25,7 +25,7 @@ RUN --mount=type=secret,id=NEXT_PUBLIC_HCAPTCHA_SITEKEY \
     npm run build
 
 # Production image, copy all the files and run next
-FROM node:lts-alpine AS runner
+FROM node:20-alpine AS runner
 WORKDIR /app
 
 ENV NODE_ENV=production \