fix: 프로덕션 DB 스키마 미적용 및 PrismaClient 싱글톤 수정

- deploy.sh에 prisma db push 단계 추가 (배포 시 스키마 자동 적용)
- Dockerfile에 Prisma schema 런타임 이미지 복사 추가
- PrismaClient 프로덕션 싱글톤 캐시 활성화 (커넥션 풀 소진 방지)

Dockerfile

@@ -34,6 +34,10 @@ COPY . .
 RUN cd packages/database && npx prisma generate
 RUN pnpm turbo run build --filter=@startover/${APP_NAME}
 
+# Copy Prisma schema and engine for runtime migration
+RUN mkdir -p /app/prisma
+RUN cp packages/database/prisma/schema.prisma /app/prisma/schema.prisma
+
 # Ensure public directories exist for COPY
 RUN mkdir -p /app/apps/${APP_NAME}/public
 
@@ -50,6 +54,7 @@ WORKDIR /app
 COPY --from=builder /app/apps/${APP_NAME}/public ./public
 COPY --from=builder --chown=nextjs:nodejs /app/apps/${APP_NAME}/.next/standalone ./
 COPY --from=builder --chown=nextjs:nodejs /app/apps/${APP_NAME}/.next/static ./apps/${APP_NAME}/.next/static
+COPY --from=builder /app/prisma/schema.prisma ./prisma/schema.prisma
 
 USER nextjs
 EXPOSE 3000

deploy/deploy.sh

@@ -55,9 +55,18 @@ fi
 log "Building and deploying with Docker Compose..."
 docker compose -f docker-compose.prod.yml --env-file .env.production up -d --build --remove-orphans 2>&1 | tee -a "$LOG_FILE"
 
-# Wait for services
-log "Waiting for services to be healthy..."
-sleep 15
+# Wait for postgres to be healthy
+log "Waiting for postgres to be healthy..."
+sleep 10
+
+# Apply database schema
+log "Applying database schema (prisma db push)..."
+docker compose -f docker-compose.prod.yml --env-file .env.production exec -T web npx prisma db push --schema=./prisma/schema.prisma --skip-generate --accept-data-loss 2>&1 | tee -a "$LOG_FILE"
+log "Database schema applied."
+
+# Wait for services to stabilize
+log "Waiting for services to stabilize..."
+sleep 5
 
 # Health check
 if curl -sf http://localhost/health > /dev/null 2>&1; then

packages/database/src/client.ts

@@ -12,15 +12,10 @@ export function createPrismaClient(): PrismaClient {
   }
 
   const client = new PrismaClient({
-    log:
-      process.env['NODE_ENV'] === 'development'
-        ? ['query', 'error', 'warn']
-        : ['error'],
+    log: process.env['NODE_ENV'] === 'development' ? ['query', 'error', 'warn'] : ['error'],
   });
 
-  if (process.env['NODE_ENV'] !== 'production') {
-    prismaInstance = client;
-  }
+  prismaInstance = client;
 
   return client;
 }