diff --git a/Dockerfile b/Dockerfile
index 7de5e5d..f8dacf4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ FROM node:22-alpine AS build
 WORKDIR /app
 COPY --from=deps /app/node_modules ./node_modules
 COPY . .
-RUN npm run prisma:generate
+RUN DATABASE_URL="postgresql://mapflow:mapflow@localhost:5432/mapflow" npm run prisma:generate
 RUN npm run build
 
 FROM node:22-alpine AS runner