diff --git a/Dockerfile b/Dockerfile
index 8b406e9..252de8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,10 @@ FROM node:20-alpine AS base
 WORKDIR /app
 
 FROM base AS deps
+# Le postinstall de Prisma a besoin de prisma/schema.prisma pour `prisma generate`.
+# On copie donc le dossier prisma avant `npm ci`, sinon le hook crashe.
 COPY package.json package-lock.json ./
+COPY prisma ./prisma
 RUN npm ci
 
 FROM base AS builder
@@ -21,6 +24,8 @@ RUN addgroup -S nextjs && adduser -S nextjs -G nextjs
 COPY --from=builder /app/public ./public
 COPY --from=builder /app/.next/standalone ./
 COPY --from=builder /app/.next/static ./.next/static
+# Prisma schema + migrations dispo dans l'image runner pour `prisma migrate deploy`
+COPY --from=builder /app/prisma ./prisma
 
 USER nextjs
 EXPOSE 3000