fix(deploy): add .js extensions to transpiled migration imports for ESM compatibility

Dockerfile

@@ -41,8 +41,14 @@ COPY . .
 # Build application
 RUN pnpm build
 
+# 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
+# ... [skipping middle part as I'm replacing lines 45-64 in a single block] ...
 WORKDIR /app
 
 # Install curl for health checks
@@ -61,7 +67,8 @@ ENV NEXT_TELEMETRY_DISABLED=1
 # Copy standalone output and static files
 COPY --from=builder --chown=nextjs:nodejs /app/public ./public
 COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
-COPY --from=builder --chown=nextjs:nodejs /app/migrations ./migrations
+COPY --from=builder --chown=nextjs:nodejs /app/migrations_built ./migrations
+COPY --from=builder --chown=nextjs:nodejs /app/migrations/*.json ./migrations/
 COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 COPY --from=builder --chown=nextjs:nodejs /app/.next/cache ./.next/cache