# Deployment Guide for Grateful Journal

## Overview

This guide covers deploying the Grateful Journal Docker stack to a production server. The app requires HTTPS — the Web Crypto API used for end-to-end encryption is blocked by browsers on plain HTTP.

---

## Deployment Options

### Option 1: VPS (Recommended) — DigitalOcean, Hetzner, Linode, Vultr

Full control. Run Docker Compose directly on the server behind a reverse proxy.

**Minimum specs:** 1 vCPU, 1 GB RAM, 20 GB disk

**Steps:**
1. Provision a server running Ubuntu 22.04+
2. Install Docker and Docker Compose
3. Point your domain DNS A record to the server IP
4. Set up a reverse proxy with SSL (see Reverse Proxy section below)
5. Clone the repo and configure environment files
6. Run `docker compose up --build -d`

---

### Option 2: Railway / Render / Fly.io

Platform-as-a-service. Easier setup but less control. These platforms handle SSL automatically.

- **Railway** — supports Docker Compose directly, good free tier
- **Render** — supports Docker, free tier available but spins down on inactivity
- **Fly.io** — supports Docker, generous free tier, good global distribution

Note: MongoDB on these platforms should be replaced with MongoDB Atlas (managed) since persistent volumes can be unreliable on free tiers.

---

### Option 3: Cloud VM (AWS EC2, GCP Compute, Azure VM)

Same as VPS but on a major cloud provider. More expensive for small apps but useful if you're already in that ecosystem.

---

## Reverse Proxy Setup (Required for HTTPS)

The frontend container must not be exposed directly. A reverse proxy handles SSL termination and forwards traffic to the frontend container.

### Using Nginx + Certbot (Let's Encrypt)

Install on the host (not inside Docker):

```bash
sudo apt install nginx certbot python3-certbot-nginx
```

Change `docker-compose.yml` to bind frontend to localhost only:

```yaml
ports:
  - "127.0.0.1:8000:80"
```

Create `/etc/nginx/sites-available/grateful-journal`:

```nginx
server {
    listen 80;
    server_name yourdomain.com;

    location / {
        proxy_pass http://127.0.0.1:8000;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}
```

Enable and get SSL certificate:

```bash
sudo ln -s /etc/nginx/sites-available/grateful-journal /etc/nginx/sites-enabled/
sudo certbot --nginx -d yourdomain.com
sudo systemctl reload nginx
```

Certbot auto-renews the certificate. Done — the app is now on HTTPS.

### Using Traefik (Docker-native alternative)

Traefik runs as a Docker container and handles SSL automatically via Let's Encrypt. Better if you want everything inside Docker. Requires adding a `traefik` service to `docker-compose.yml` with labels on the frontend service.

---

## Environment Changes for Production

### `backend/.env`

```env
MONGODB_URI=mongodb://mongo:27017
MONGODB_DB_NAME=grateful_journal
API_PORT=8001
ENVIRONMENT=production
FRONTEND_URL=https://yourdomain.com
```

- Change `FRONTEND_URL` to your actual domain with `https://`
- This is used for CORS — must match exactly what the browser sends as the Origin header

### Root `.env` (frontend build args)

```env
VITE_FIREBASE_API_KEY=...
VITE_FIREBASE_AUTH_DOMAIN=...
VITE_FIREBASE_PROJECT_ID=...
VITE_FIREBASE_STORAGE_BUCKET=...
VITE_FIREBASE_MESSAGING_SENDER_ID=...
VITE_FIREBASE_APP_ID=...
VITE_API_URL=/api
```

- `VITE_API_URL=/api` stays as-is — nginx proxy handles routing
- Firebase keys stay the same unless you create a separate Firebase project for production

---

## Firebase Configuration

Firebase requires your production domain to be added as an **authorized domain** for Google Sign-In.

1. Go to [Firebase Console](https://console.firebase.google.com)
2. Select your project → Authentication → Settings → Authorized domains
3. Add `yourdomain.com`

Without this, Google sign-in will fail on the production domain.

---

## MongoDB Security

The current setup has no MongoDB authentication — fine for local dev, not for production.

Add a MongoDB username and password:

### `docker-compose.yml` — add environment to mongo service:

```yaml
mongo:
  image: mongo:6
  environment:
    MONGO_INITDB_ROOT_USERNAME: admin
    MONGO_INITDB_ROOT_PASSWORD: your_strong_password
  ...
```

### `backend/.env` — update the connection string:

```env
MONGODB_URI=mongodb://admin:your_strong_password@mongo:27017
```

Use a strong random password. Store it securely (not in git).

---

## Keeping Secrets Out of Git

Never commit `.env` files with real credentials. Before deploying:

- Add `.env` and `backend/.env` to `.gitignore` (already done)
- On the server, create the `.env` files manually or via a secrets manager
- Use environment variables injected by the platform if using Railway/Render/Fly.io

---

## Data Backups

MongoDB data lives in the `mongo_data` Docker volume. Back it up regularly:

```bash
# Dump
docker exec grateful-journal-mongo-1 mongodump --out /data/backup
docker cp grateful-journal-mongo-1:/data/backup ./mongo-backup

# Restore
docker cp ./mongo-backup grateful-journal-mongo-1:/data/backup
docker exec grateful-journal-mongo-1 mongorestore /data/backup
```

For automated backups, set up a cron job or use MongoDB Atlas which has built-in backups.

---

## Deploying Updates

After pushing code changes to the server:

```bash
git pull
docker compose up --build -d
```

This rebuilds only changed images and replaces containers with zero manual steps.

---

## Pre-Deployment Checklist

- [ ] Domain DNS pointing to server IP
- [ ] HTTPS set up via reverse proxy
- [ ] `FRONTEND_URL` updated to production domain in `backend/.env`
- [ ] Production domain added to Firebase authorized domains
- [ ] MongoDB authentication enabled
- [ ] `.env` files not committed to git
- [ ] `docker-compose.yml` frontend port bound to `127.0.0.1:8000:80`
- [ ] MongoDB backup strategy in place
