Initial commit — Grow baby tracker

Next.js 16 App Router, Prisma + PostgreSQL, NextAuth v5 JWT.

Features: dashboard quick-log, timeline, growth charts (WHO percentiles),
stats, journal/notes, doctor notes, milestones, vaccinations, settings,
superadmin panel. Mobile-first with sidebar nav + bottom nav + quick-add FAB.
Dark mode, PWA push notifications, multi-family invite system.

Docker: multi-stage Dockerfile + docker-compose with postgres service.

docker-compose.yml

@@ -0,0 +1,53 @@
+services:
+  db:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: grow
+      POSTGRES_USER: grow
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-changeme}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U grow"]
+      interval: 5s
+      timeout: 5s
+      retries: 10
+
+  app:
+    build: .
+    restart: unless-stopped
+    depends_on:
+      db:
+        condition: service_healthy
+    ports:
+      - "${PORT:-3000}:3000"
+    environment:
+      DATABASE_URL: postgresql://grow:${POSTGRES_PASSWORD:-changeme}@db:5432/grow
+      NEXTAUTH_URL: ${NEXTAUTH_URL}
+      NEXTAUTH_SECRET: ${NEXTAUTH_SECRET}
+      SUPERADMIN_EMAIL: ${SUPERADMIN_EMAIL}
+      # Optional
+      SMTP_HOST: ${SMTP_HOST:-}
+      SMTP_PORT: ${SMTP_PORT:-587}
+      SMTP_USER: ${SMTP_USER:-}
+      SMTP_PASS: ${SMTP_PASS:-}
+      SMTP_FROM: ${SMTP_FROM:-}
+      PUSHOVER_APP_TOKEN: ${PUSHOVER_APP_TOKEN:-}
+      VAPID_PUBLIC_KEY: ${VAPID_PUBLIC_KEY:-}
+      VAPID_PRIVATE_KEY: ${VAPID_PRIVATE_KEY:-}
+      VAPID_SUBJECT: ${VAPID_SUBJECT:-}
+
+  migrate:
+    build: .
+    command: >
+      sh -c "npx prisma db push --skip-generate"
+    depends_on:
+      db:
+        condition: service_healthy
+    environment:
+      DATABASE_URL: postgresql://grow:${POSTGRES_PASSWORD:-changeme}@db:5432/grow
+    restart: "no"
+
+volumes:
+  postgres_data: