diff --git a/Dockerfile b/Dockerfile
index 77535d0..ec2e9b7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,8 +41,10 @@ COPY . .
 # Build application
 RUN pnpm build
 
-# Transpile migrations for production runner
-RUN pnpm exec tsc migrations/*.ts --outDir migrations_built --module esnext --target esnext --moduleResolution node --esModuleInterop --skipLibCheck || true
+# Transpile migrations to JS for production compatibility (ESM requires extensions)
+RUN npx tsc migrations/*.ts --outDir migrations --module esnext --target esnext --moduleResolution node --esModuleInterop --skipLibCheck || true && \
+    sed -i 's/from "\.\/\([^"]*\)";/from ".\/\1.js";/g' migrations/index.js && \
+    rm migrations/*.ts
 
 # Stage 2: Runner
 FROM node:20-alpine AS runner