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This is a [Next.js](https://nextjs.org) project bootstrapped with [`create-next-app`](https://nextjs.org/docs/app/api-reference/cli/create-next-app).
# Finance App
## Getting Started
Personal finance web app for tracking bank transactions, monitoring net worth, and visualizing spending. Self-hosted via Docker Compose — no cloud services required.
First, run the development server:
## Features
```bash
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
- Import transactions from CSV exports (Discover Savings, Discover Credit Card, Huntington Checking, Fidelity)
- Net worth tracking across bank accounts
- Browse, filter, and annotate transactions
- Assign transactions to budgets with optional monthly caps
- Dashboard: net worth snapshot, cash flow, recent transactions, budget summary
- Charts: net worth trend, monthly cash flow, spending by category, budget performance
## Quick start
**Prerequisites:** Docker and Docker Compose
```sh
# 1. Copy the example env file
cp .env.example .env
```
Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
Edit `.env`:
- Set `NEXTAUTH_SECRET` to the output of `openssl rand -base64 32`
- Set `SEED_EMAIL` and `SEED_PASSWORD` to your desired login credentials
- Change `POSTGRES_PASSWORD` to a strong password
You can start editing the page by modifying `app/page.tsx`. The page auto-updates as you edit the file.
```sh
# 2. Build and start the stack
docker compose up --build -d
This project uses [`next/font`](https://nextjs.org/docs/app/building-your-application/optimizing/fonts) to automatically optimize and load [Geist](https://vercel.com/font), a new font family for Vercel.
# 3. First-run only: apply the schema and create your user
docker compose exec app npx prisma db push
docker compose exec app npx prisma db seed
## Learn More
# 4. Open the app
open http://localhost:3000
```
To learn more about Next.js, take a look at the following resources:
Sign in with the `SEED_EMAIL` / `SEED_PASSWORD` you set.
- [Next.js Documentation](https://nextjs.org/docs) - learn about Next.js features and API.
- [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
## Environment variables
You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome!
| Variable | Description |
|---|---|
| `NEXTAUTH_SECRET` | Secret for JWT signing — run `openssl rand -base64 32` |
| `NEXTAUTH_URL` | Public URL of the app (default: `http://localhost:3000`) |
| `SEED_EMAIL` | Login email created by the seed script |
| `SEED_PASSWORD` | Login password created by the seed script |
| `POSTGRES_USER` | PostgreSQL username |
| `POSTGRES_PASSWORD` | PostgreSQL password |
| `POSTGRES_DB` | PostgreSQL database name |
| `DATABASE_URL` | Full connection string — set automatically by Compose |
## Deploy on Vercel
## Useful commands
The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
```sh
# View logs
docker compose logs -f app
Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details.
# Stop the stack
docker compose down
# Stop and wipe the database volume
docker compose down -v
# Re-seed after a wipe
docker compose exec app npx prisma db push
docker compose exec app npx prisma db seed
# Check health
curl http://localhost:3000/api/health
```
## CSV import
Upload CSV files at `/upload`. The bank profile is auto-detected from the header row. Supported profiles:
| Bank | Account type |
|---|---|
| Discover High Yield Savings | BANK |
| Discover Credit Card | CREDIT_CARD |
| Huntington Checking | BANK |
| Fidelity (cash activity only) | BANK |
If auto-detection fails, a column mapper is shown for manual field assignment.
**BANK** accounts count toward net worth and cash flow. **CREDIT_CARD** accounts are tracked only.
## Development
```sh
# Start the database
docker compose up db -d
# Install dependencies
npm install
# Apply schema
npx prisma db push
# Seed a user
npx prisma db seed
# Start the dev server
npm run dev
```
The app is at http://localhost:3000.
## Architecture
| Layer | Choice |
|---|---|
| Framework | Next.js 16 App Router + TypeScript |
| Database | PostgreSQL 16 + Prisma ORM |
| Auth | NextAuth.js v5 (JWT sessions, bcrypt) |
| UI | Tailwind CSS + shadcn/ui |
| Charts | Recharts |
| Deployment | Docker Compose |