diff --git a/dockerfile b/dockerfile
index 99fd9c5..9ecda3c 100644
--- a/dockerfile
+++ b/dockerfile
@@ -12,6 +12,10 @@ RUN pnpm install --frozen-lockfile
 # Copy source
 COPY . .
 
+# Required by prisma generate during image build
+ARG DATABASE_URL="postgres://tvone:tvone_password@db:5432/tvone"
+ENV DATABASE_URL=$DATABASE_URL
+
 # Build NestJS
 RUN pnpm build