Optimize Dockerfile for dependency installation: Implement caching for pnpm store during installation to improve build performance and efficiency in both development and production stages.

Dockerfile

@@ -6,7 +6,8 @@ WORKDIR /app
 RUN corepack enable && corepack prepare pnpm@latest --activate
 
 COPY package.json pnpm-lock.yaml ./
-RUN pnpm install --frozen-lockfile
+RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store \
+    pnpm install --frozen-lockfile
 
 # Stage 2: Builder
 FROM node:20-alpine AS builder
@@ -50,7 +51,8 @@ COPY --from=builder /app/prisma.config.ts ./prisma.config.ts
 ENV DATABASE_URL="file:/tmp/build.db"
 
 # Installer seulement les dépendances de production puis générer Prisma Client
-RUN pnpm install --frozen-lockfile --prod && \
+RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store \
+    pnpm install --frozen-lockfile --prod && \
     pnpm dlx prisma generate
 
 ENV DATABASE_URL="file:/app/data/dev.db"