diff --git a/prod.Dockerfile b/prod.Dockerfile
index b5b8d63..c1757fc 100644
--- a/prod.Dockerfile
+++ b/prod.Dockerfile
@@ -9,6 +9,7 @@ COPY schema ./schema
 RUN npm install -g --no-fund pnpm@10.10.0
 
 WORKDIR /app/schema
+COPY schema/template.env ./.env
 RUN pnpm install --frozen-lockfile \
  && pnpm exec prisma generate
 
diff --git a/schema/template.env b/schema/template.env
new file mode 100644
index 0000000..04edbb8
--- /dev/null
+++ b/schema/template.env
@@ -0,0 +1 @@
+DATABASE_URL="postgresql://postgres:postgres@localhost:5432/postgres"