Joakim Mörling
db56fc58de
Production deploy failed with no backend logs before rollback. Print backend and postgres logs on failure, wait longer for JVM startup, and probe /api/payment/swish-info instead of vehicle lookup (no external scrape). - Document proof-first troubleshooting in README - No volume reset workflow; fix only after reading job logs
424 lines
16 KiB
Markdown
424 lines
16 KiB
Markdown
# BilHej / Bilhälsning.se
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Send a physical letter to a Swedish car owner — just by knowing their license plate.
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The user enters a registration number, composes a letter (from a template or free text), pays, and BilHej handles the rest: owner address lookup via Transportstyrelsen, printing and mailing via PostNord. The sender never sees the recipient's name or address.
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---
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## Tech Stack
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| Layer | Technology |
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|-------------|-----------------------------------------|
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| Frontend | Vue.js 3 (Composition API), Vite, Pinia |
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| Backend | Java 21, Spring Boot 4, Gradle |
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| Database | PostgreSQL 16 |
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| Auth | Spring Security + JWT |
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| Payments | Stripe (cards + Swish) |
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| Deployment | Docker, Docker Compose |
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---
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## Prerequisites
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- Docker & Docker Compose
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- Java 21 (for local IDE development)
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- Node.js 20+ (for local frontend dev)
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- A [Stripe](https://stripe.com) account (test mode for development)
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---
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## Quick Start
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```bash
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git clone <repo-url> bilhej
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cd bilhej
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cp .env.example .env # fill in your keys
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docker compose up -d # or: ./gradlew up
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```
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The app will be available at:
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- Frontend: `http://localhost:3000`
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- Backend API: `http://localhost:8080`
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- PostgreSQL: `localhost:5432`
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### Architecture inside Docker Compose
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```
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Browser Docker Compose network
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─────── ─────────────────────
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│ ┌──────────────────┐
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│ http://localhost:3000 │ frontend (Vite) │
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├────────────────────────→│ :3000 │
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│ │ proxy: /api → │
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│ GET /api/orders │ backend:8080 │
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│ └────────┬─────────┘
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│ │
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│ ┌────────▼─────────┐
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│ │ backend (Spring) │
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│ │ :8080 │
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│ │ profile: docker │
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│ └────────┬─────────┘
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│ │
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│ ┌────────▼─────────┐
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│ │ postgres (16) │
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│ │ :5432 │
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│ └──────────────────┘
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```
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**Vite proxy:** The Vite dev server proxies `/api/*` requests to the backend container.
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No CORS configuration needed in development — the browser never calls the backend directly.
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**Spring profiles:**
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| Profile | Datasource | Use |
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|---------|-----------|-----|
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| default | H2 in-memory | Local IDE dev (`./gradlew :backend:bootRun`) |
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| `docker` | PostgreSQL + dev Flyway seeds | Docker Compose dev / CI |
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| `docker,prod` | PostgreSQL, schema only, admin bootstrap | Deploy (`docker-compose.prod.yml`) |
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---
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## Environment Variables
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Copy `.env.example` to `.env` and fill in:
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| Variable | Description |
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|---------------------------|--------------------------------------|
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| `POSTGRES_DB` | Database name (default: `bilhej`) |
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| `POSTGRES_USER` | Database user |
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| `POSTGRES_PASSWORD` | Database password |
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| `JWT_SECRET` | Secret key for JWT signing |
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| `STRIPE_SECRET_KEY` | Stripe secret key |
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| `STRIPE_WEBHOOK_SECRET` | Stripe webhook signing secret |
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| `STRIPE_PRICE_ID` | Stripe price ID for single letter |
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| `SWISH_NUMBER` | Swish number for payment instructions |
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| `ADMIN_EMAIL` | Production admin login (e.g. `admin@bilhej.se`) |
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| `ADMIN_PASSWORD` | Strong production admin password (not `test1234`) |
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**Dev-only accounts** (from `db/dev-migration`, not used in production):
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| Email | Password | Role |
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|-------|----------|------|
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| `test@bilhej.se` | `test1234` | user (e2e / local) |
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| `admin@bilhalsning.se` | `test1234` | admin (local docker only) |
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---
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## Database access
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PostgreSQL runs in Docker. Any GUI client works (IntelliJ IDEA, DBeaver, TablePlus,
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pgAdmin) — same idea as a normal remote database.
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### Local dev (`docker compose up`)
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| Setting | Value |
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|---------|--------|
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| Host | `localhost` |
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| Port | `5432` |
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| Database | from `.env` → `POSTGRES_DB` (default `bilhej`) |
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| User / password | `POSTGRES_USER` / `POSTGRES_PASSWORD` |
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**IntelliJ IDEA:** Database tool window → `+` → Data Source → PostgreSQL → fill in above →
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Test Connection → OK.
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**CLI:**
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```bash
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docker exec -it bilhej-postgres psql -U bilhej -d bilhej
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```
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### Production (server)
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Postgres is bound to **localhost only** on the server (`127.0.0.1:5433`) so it is not
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exposed to the internet. Use an **SSH tunnel** from your laptop, then point IntelliJ (or
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DBeaver) at `localhost`.
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1. On the server, recreate the stack once so the port mapping is active (after deploy).
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2. From your laptop:
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```bash
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ssh -N -L 5433:127.0.0.1:5433 you@srvr.nu
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```
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3. In IntelliJ / DBeaver:
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| Setting | Value |
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|---------|--------|
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| Host | `localhost` |
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| Port | `5433` |
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| Database | prod `POSTGRES_DB` |
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| User / password | prod secrets |
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**CLI on the server** (no GUI):
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```bash
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docker exec -it bilhej-postgres-prod psql -U bilhej -d bilhej
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```
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### Manual prod cleanup (keep data, remove dev seeds)
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```sql
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DELETE FROM orders
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WHERE user_id = 'a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11';
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DELETE FROM users
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WHERE email IN ('test@bilhalsning.se', 'test@bilhej.se', 'admin@bilhalsning.se');
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```
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Then deploy with `ADMIN_EMAIL` / `ADMIN_PASSWORD` set — the app creates the production
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admin on startup. No need to insert a password hash by hand.
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To generate a bcrypt hash manually (optional):
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```bash
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./gradlew hashPassword -Ppassword='your-strong-password'
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```
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---
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## Project Structure
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```
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bilhej/
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├── frontend/ # Vue.js 3 SPA
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│ ├── src/
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│ │ ├── components/ # Reusable UI components
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│ │ ├── composables/ # Shared composition functions
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│ │ ├── layouts/ # Page layouts
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│ │ ├── pages/ # Route-level page components
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│ │ ├── router/ # Vue Router config
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│ │ ├── stores/ # Pinia stores
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│ │ ├── api/ # API client and endpoints
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│ │ ├── assets/ # Static assets, CSS
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│ │ ├── App.vue
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│ │ └── main.ts
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│ ├── index.html
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│ ├── vite.config.ts
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│ └── package.json
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├── backend/ # Spring Boot 4
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│ ├── src/main/java/se/bilhalsning/
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│ │ ├── BilHejApplication.java
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│ │ ├── config/ # Security, CORS, Stripe config
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│ │ ├── controller/ # REST controllers
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│ │ ├── dto/ # Data transfer objects
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│ │ ├── entity/ # JPA entities
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│ │ ├── repository/ # Spring Data repositories
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│ │ ├── service/ # Business logic
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│ │ └── security/ # JWT filter, user details
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│ └── src/main/resources/
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│ ├── application.yml # default profile (H2)
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│ ├── application-docker.yml # docker profile (PostgreSQL)
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│ └── db/migration/ # Flyway migrations
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├── docker-compose.yml # dev: postgres + backend (bootRun) + frontend (Vite HMR)
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├── docker-compose.prod.yml # prod: multi-stage builds, no source mounts, restart: unless-stopped
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├── docker/
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│ ├── backend.Dockerfile # dev: JDK + gradle :backend:bootRun
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│ ├── backend.prod.Dockerfile # prod: multi-stage (Gradle → JRE Alpine, non-root)
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│ ├── frontend.Dockerfile # dev: Node + vite dev server
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│ ├── frontend.prod.Dockerfile # prod: multi-stage (Node → nginx)
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│ ├── nginx.conf # prod: SPA fallback + /api proxy
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│ └── entrypoint.sh # prod: self-signed cert generation
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├── gradlew # Gradle wrapper (run from repo root)
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├── gradle/
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│ └── wrapper/
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├── settings.gradle # rootProject.name + include 'backend'
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├── build.gradle # convenience tasks: check, up, down, reset
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├── .env.example
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├── README.md
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├── REQUIREMENTS.md
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└── CODING_GUIDELINES.md
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```
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---
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## Development vs Production
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| Aspect | `docker compose up -d` | `docker compose -f docker-compose.prod.yml up -d` |
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|--------|------------------------|---------------------------------------------------|
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| Backend | `./gradlew :backend:bootRun` (compiles on change) | Multi-stage build → `java -jar app.jar` |
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| Backend image | `eclipse-temurin:21-jdk` (~400 MB) | `eclipse-temurin:21-jre-alpine` (~200 MB) |
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| Backend user | root | `bilhej` (non-root) |
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| Frontend | Vite dev server (HMR, `--host 0.0.0.0`) | nginx serving static `dist/` |
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| API proxy | Vite built-in proxy (`/api` → `backend:8080`) | nginx `proxy_pass` |
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| SSL | None | Self-signed cert auto-generated on first start (`.certs/` volume) |
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| Source mounts | Yes (live edit) | No (files baked into image) |
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| Restart policy | Manual | `unless-stopped` |
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| Purpose | Write code, instant feedback | Verify production build |
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---
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## Production Deployment
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Deployments are fully automated via Forgejo Actions. The pipeline builds production Docker images and starts them on the server.
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### One-time Setup
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Before the first deploy, complete these steps on the production server (`srvr.nu`):
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1. **Add Forgejo Actions Secrets**
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Go to **Forgejo → Repository Settings → Actions → Secrets** and add:
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| Secret | Description |
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|--------|-------------|
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| `POSTGRES_DB` | Database name (e.g., `bilhej`) |
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| `POSTGRES_USER` | Database user |
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| `POSTGRES_PASSWORD` | Strong database password |
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| `JWT_SECRET` | `openssl rand -hex 32` |
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| `STRIPE_SECRET_KEY` | Stripe secret key |
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| `STRIPE_WEBHOOK_SECRET` | Stripe webhook signing secret |
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| `STRIPE_PRICE_ID` | Stripe price ID for single letter |
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| `SWISH_NUMBER` | Swish phone number for payment instructions |
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| `ADMIN_EMAIL` | Production admin email (e.g. `admin@bilhej.se`) |
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| `ADMIN_PASSWORD` | Strong unique admin password (password manager) |
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Passwords may contain `$` — the deploy workflow escapes these for Docker Compose.
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Production does **not** seed `test@bilhej.se` or demo orders. On first start, the
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backend creates one admin from `ADMIN_EMAIL` / `ADMIN_PASSWORD` if no admin exists.
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If prod already has dev seed users, clean them with SQL (see [Database access](#database-access))
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instead of wiping the volume. Then redeploy with the new secrets so bootstrap can create
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`ADMIN_EMAIL`.
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2. **Point DNS**
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Set `bilhej.se` (and `www.bilhej.se`) A record to the server's public IP.
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3. **Obtain SSL Certificate**
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Run certbot in the nginx container:
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```bash
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docker exec certbot certbot certonly \
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--webroot -w /var/www/certbot \
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-d bilhej.se -d www.bilhej.se
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```
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4. **Add Nginx Config**
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Copy the Bilhej server block into the nginx container:
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```bash
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docker cp docker/bilhej.nginx.conf nginx:/etc/nginx/conf.d/bilhej.conf
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docker exec nginx nginx -s reload
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```
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### Deploy
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1. Go to **Actions → Deploy to Production** in Forgejo.
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2. Click **Run workflow**.
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3. Enter a version tag (e.g., `v0.1.0`).
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4. Click **Run workflow**.
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### Deploy failed (backend health check)
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If the job passes the frontend check but the backend never becomes healthy:
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1. Open the failed job log and read **Backend logs** (printed before rollback).
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2. Match the error to a fix — do not guess:
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- **`password authentication failed`** — DB credentials in the running stack do not match
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what Postgres was initialized with; fix credentials or Postgres password to match (only
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wipe the volume if you accept losing prod data).
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- **`Production requires ADMIN_EMAIL and ADMIN_PASSWORD`** — add those Forgejo secrets.
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- **Flyway / migration errors** — fix schema or migration history before redeploying.
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3. **DBeaver from your laptop** — prod Postgres binds to `127.0.0.1:5433` on the server only.
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Use an SSH tunnel, then host `localhost` port `5433` (not `192.168.0.59` directly).
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### What Happens
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| Step | Action |
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|------|--------|
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| Tag | Git tag `v0.1.0` is created and pushed |
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| Build | Production backend JAR and frontend bundle are built |
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| Images | Multi-stage Docker images are built locally on the server |
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| Start | `docker compose -f docker-compose.prod.yml up -d` (`SPRING_PROFILES_ACTIVE=docker,prod`) |
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| Verify | Health checks confirm backend API and frontend are responding |
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### Architecture on Server
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```
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User
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│
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│ https://bilhej.se
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▼
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┌─────────────────────────────────────┐
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│ nginx (srvr.nu) │
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│ SSL termination (Let's Encrypt) │
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│ proxy_pass → bilhej-frontend-prod │
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└─────────────┬───────────────────────┘
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│ Docker 'web' network
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┌─────────────▼───────────────────────┐
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│ bilhej-frontend-prod (nginx) │
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│ :80 │
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│ /api/* → bilhej-backend-prod:8080 │
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└─────────────┬───────────────────────┘
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│
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┌─────────────▼───────────────────────┐
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│ bilhej-backend-prod (Spring Boot) │
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│ :8080 │
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└─────────────┬───────────────────────┘
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│
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┌─────────────▼───────────────────────┐
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│ bilhej-postgres-prod (PostgreSQL) │
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│ :5432 │
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└─────────────────────────────────────┘
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```
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### Rollback
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To rollback to a previous version:
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```bash
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# On srvr.nu
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cd /path/to/bilhej/repo
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git fetch --tags
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git checkout v0.1.0 # or any previous tag
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docker compose -f docker-compose.prod.yml up --build -d
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```
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---
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## Development
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### All-in-one (from repo root)
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```bash
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./gradlew check # lint → frontend test → backend test → integration test
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./gradlew up # docker compose up -d
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./gradlew down # docker compose down
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./gradlew reset # docker compose down -v && docker compose up -d (full DB reset)
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```
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### Frontend (dev server with HMR)
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```bash
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cd frontend
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npm install # first time only
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npm run dev # :3000 with HMR
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```
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### Backend (IDE or CLI)
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```bash
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./gradlew :backend:bootRun # :8080, profile: default (H2)
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```
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### Stripe Webhooks (local testing)
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```bash
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stripe listen --forward-to localhost:8080/api/webhooks/stripe
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```
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### Database reset
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```bash
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./gradlew reset # wipes DB volume and restarts containers
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```
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---
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## Related Documents
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- [REQUIREMENTS.md](./REQUIREMENTS.md) — Full product requirements and business model
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- [CODING_GUIDELINES.md](./CODING_GUIDELINES.md) — Code conventions and standards
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