smoke tests

Dockerfile

@@ -37,6 +37,13 @@ RUN npx tsx scripts/validate-env.ts
 
 RUN npm run build
 
+# Smoke test during build to catch runtime errors early
+# We start the app in the background, wait for it to be ready, and run the smoke test
+RUN (node .next/standalone/server.js &) && \
+    npx wait-on -t 30000 http://localhost:3000/health && \
+    npx tsx scripts/smoke-test.ts http://localhost:3000/health && \
+    pkill -f "node .next/standalone/server.js"
+
 # Production image, copy all the files and run next
 FROM base AS runner
 WORKDIR /app