fix runner, db & prisma

Dockerfile

@@ -1,30 +1,54 @@
-# ===== BUILD =====
+# =========================
+#        BUILD STAGE
+# =========================
 FROM node:20-alpine AS builder
 
 WORKDIR /app
 
+# dépendances
 COPY package*.json ./
 RUN npm ci
 
+# code source
 COPY . .
 
+# Prisma generate (OBLIGATOIRE avant build Next)
+RUN npx prisma generate
+
+# build Next.js (standalone)
 RUN npm run build
 
 
-# ===== RUN =====
+# =========================
+#        RUN STAGE
+# =========================
 FROM node:20-alpine AS runner
 
 WORKDIR /app
 
 ENV NODE_ENV=production
+ENV PORT=3000
 
-# Standalone output
-COPY --from=builder /app/public ./public
+# Installer uniquement les deps prod (nécessaire pour Prisma runtime)
+COPY package*.json ./
+RUN npm ci --omit=dev
+
+# Next standalone output
 COPY --from=builder /app/.next/standalone ./
 COPY --from=builder /app/.next/static ./.next/static
+COPY --from=builder /app/public ./public
+
+# Prisma (schema + migrations + seed si existant)
 COPY --from=builder /app/prisma ./prisma
 
-RUN prism generate
+# Prisma client généré
+COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
+COPY --from=builder /app/node_modules/@prisma ./node_modules/@prisma
+
+# SQLite data folder (IMPORTANT)
+RUN mkdir -p /app/data
+
+VOLUME ["/app/data"]
 
 EXPOSE 3000