refactor(web): use BuildKit cache mounts for node_modules and Next.js cache

.github/workflows/web.yml

@@ -34,6 +34,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Log in to the Container registry
         if: github.event_name == 'push'
         uses: docker/login-action@v3
@@ -50,6 +53,8 @@ jobs:
           tags: |
             ${{ env.CONTAINER_REGISTRY }}/${{ env.CONTAINER_REPOSITORY }}:${{ env.CONTAINER_IMAGE_TAG_UNIQUE }}
             ${{ env.CONTAINER_REGISTRY }}/${{ env.CONTAINER_REPOSITORY }}:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
 
   deploy:
     name: Deploy

web/Dockerfile

@@ -1,6 +1,6 @@
-# https://github.com/vercel/next.js/blob/canary/examples/with-docker/Dockerfile
+# syntax=docker/dockerfile:1
 
-# syntax=docker.io/docker/dockerfile:1
+# https://github.com/vercel/next.js/blob/canary/examples/with-docker/Dockerfile
 
 FROM node:24-alpine AS base
 
@@ -12,7 +12,7 @@ WORKDIR /app
 
 # Install dependencies based on the preferred package manager
 COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* .npmrc* ./
-RUN \
+RUN --mount=type=cache,target=/app/.next/cache \
   if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
   elif [ -f package-lock.json ]; then npm ci; \
   elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm i --frozen-lockfile; \