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feat(docs): added additional self-hosting documentation (#2237)
* feat(docs): added additional self-hosting documentation * added more
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‎README.md‎

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docker compose -f docker-compose.ollama.yml exec ollama ollama pull llama3.1:8b
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```
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#### Using an External Ollama Instance
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If you already have Ollama running on your host machine (outside Docker), you need to configure the `OLLAMA_URL` to use `host.docker.internal` instead of `localhost`:
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```bash
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# Docker Desktop (macOS/Windows)
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OLLAMA_URL=http://host.docker.internal:11434 docker compose -f docker-compose.prod.yml up -d
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# Linux (add extra_hosts or use host IP)
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docker compose -f docker-compose.prod.yml up -d # Then set OLLAMA_URL to your host's IP
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```
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**Why?** When running inside Docker, `localhost` refers to the container itself, not your host machine. `host.docker.internal` is a special DNS name that resolves to the host.
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For Linux users, you can either:
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- Use your host machine's actual IP address (e.g., `http://192.168.1.100:11434`)
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- Add `extra_hosts: ["host.docker.internal:host-gateway"]` to the simstudio service in your compose file
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#### Using vLLM
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Sim also supports [vLLM](https://docs.vllm.ai/) for self-hosted models with OpenAI-compatible API:
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```bash
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# Set these environment variables
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VLLM_BASE_URL=http://your-vllm-server:8000
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VLLM_API_KEY=your_optional_api_key # Only if your vLLM instance requires auth
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```
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When running with Docker, use `host.docker.internal` if vLLM is on your host machine (same as Ollama above).
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### Self-hosted: Dev Containers
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1. Open VS Code with the [Remote - Containers extension](https://marketplace.visualstudio.com/items?itemName=ms-vscode-remote.remote-containers)
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- Go to https://sim.ai → Settings → Copilot and generate a Copilot API key
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- Set `COPILOT_API_KEY` environment variable in your self-hosted apps/sim/.env file to that value
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## Environment Variables
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Key environment variables for self-hosted deployments (see `apps/sim/.env.example` for full list):
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| Variable | Required | Description |
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|----------|----------|-------------|
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| `DATABASE_URL` | Yes | PostgreSQL connection string with pgvector |
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| `BETTER_AUTH_SECRET` | Yes | Auth secret (`openssl rand -hex 32`) |
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| `BETTER_AUTH_URL` | Yes | Your app URL (e.g., `http://localhost:3000`) |
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| `NEXT_PUBLIC_APP_URL` | Yes | Public app URL (same as above) |
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| `ENCRYPTION_KEY` | Yes | Encryption key (`openssl rand -hex 32`) |
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| `OLLAMA_URL` | No | Ollama server URL (default: `http://localhost:11434`) |
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| `VLLM_BASE_URL` | No | vLLM server URL for self-hosted models |
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| `COPILOT_API_KEY` | No | API key from sim.ai for Copilot features |
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## Troubleshooting
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### Ollama models not showing in dropdown (Docker)
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If you're running Ollama on your host machine and Sim in Docker, change `OLLAMA_URL` from `localhost` to `host.docker.internal`:
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```bash
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OLLAMA_URL=http://host.docker.internal:11434 docker compose -f docker-compose.prod.yml up -d
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```
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See [Using an External Ollama Instance](#using-an-external-ollama-instance) for details.
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### Database connection issues
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Ensure PostgreSQL has the pgvector extension installed. When using Docker, wait for the database to be healthy before running migrations.
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### Port conflicts
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If ports 3000, 3002, or 5432 are in use, configure alternatives:
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```bash
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# Custom ports
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NEXT_PUBLIC_APP_URL=http://localhost:3100 POSTGRES_PORT=5433 docker compose up -d
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```
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## Tech Stack
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- **Framework**: [Next.js](https://nextjs.org/) (App Router)

‎apps/docs/content/docs/en/meta.json‎

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"variables",
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"execution",
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"permissions",
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"sdks"
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"sdks",
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"self-hosting"
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],
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"defaultOpen": false
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}

‎apps/docs/content/docs/en/self-hosting/docker.mdx‎

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---
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title: Docker
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description: Deploy Sim Studio with Docker Compose
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---
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import { Tab, Tabs } from 'fumadocs-ui/components/tabs'
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import { Callout } from 'fumadocs-ui/components/callout'
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## Quick Start
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```bash
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# Clone and start
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git clone https://github.com/simstudioai/sim.git && cd sim
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docker compose -f docker-compose.prod.yml up -d
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```
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Open [http://localhost:3000](http://localhost:3000)
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## Production Setup
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### 1. Configure Environment
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```bash
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# Generate secrets
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cat > .env << EOF
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DATABASE_URL=postgresql://postgres:postgres@db:5432/simstudio
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BETTER_AUTH_SECRET=$(openssl rand -hex 32)
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ENCRYPTION_KEY=$(openssl rand -hex 32)
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INTERNAL_API_SECRET=$(openssl rand -hex 32)
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NEXT_PUBLIC_APP_URL=https://sim.yourdomain.com
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BETTER_AUTH_URL=https://sim.yourdomain.com
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NEXT_PUBLIC_SOCKET_URL=https://sim.yourdomain.com
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EOF
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```
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### 2. Start Services
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```bash
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docker compose -f docker-compose.prod.yml up -d
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```
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### 3. Set Up SSL
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<Tabs items={['Caddy (Recommended)', 'Nginx + Certbot']}>
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<Tab value="Caddy (Recommended)">
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Caddy automatically handles SSL certificates.
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```bash
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# Install Caddy
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sudo apt install -y debian-keyring debian-archive-keyring apt-transport-https curl
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curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' | sudo gpg --dearmor -o /usr/share/keyrings/caddy-stable-archive-keyring.gpg
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curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/debian.deb.txt' | sudo tee /etc/apt/sources.list.d/caddy-stable.list
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sudo apt update && sudo apt install caddy
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```
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Create `/etc/caddy/Caddyfile`:
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```
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sim.yourdomain.com {
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reverse_proxy localhost:3000
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handle /socket.io/* {
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reverse_proxy localhost:3002
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}
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}
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```
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```bash
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sudo systemctl restart caddy
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```
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</Tab>
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<Tab value="Nginx + Certbot">
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```bash
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# Install
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sudo apt install nginx certbot python3-certbot-nginx -y
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# Create /etc/nginx/sites-available/sim
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server {
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listen 80;
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server_name sim.yourdomain.com;
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location / {
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proxy_pass http://127.0.0.1:3000;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection 'upgrade';
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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location /socket.io/ {
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proxy_pass http://127.0.0.1:3002;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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}
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}
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# Enable and get certificate
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sudo ln -s /etc/nginx/sites-available/sim /etc/nginx/sites-enabled/
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sudo certbot --nginx -d sim.yourdomain.com
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```
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</Tab>
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</Tabs>
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## Ollama
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```bash
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# With GPU
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docker compose -f docker-compose.ollama.yml --profile gpu --profile setup up -d
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# CPU only
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docker compose -f docker-compose.ollama.yml --profile cpu --profile setup up -d
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```
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Pull additional models:
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```bash
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docker compose -f docker-compose.ollama.yml exec ollama ollama pull llama3.2
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```
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### External Ollama
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If Ollama runs on your host machine (not in Docker):
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```bash
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# macOS/Windows
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OLLAMA_URL=http://host.docker.internal:11434 docker compose -f docker-compose.prod.yml up -d
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# Linux - use your host IP
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OLLAMA_URL=http://192.168.1.100:11434 docker compose -f docker-compose.prod.yml up -d
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```
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<Callout type="warning">
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Inside Docker, `localhost` refers to the container, not your host. Use `host.docker.internal` or your host's IP.
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</Callout>
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## Commands
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```bash
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# View logs
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docker compose -f docker-compose.prod.yml logs -f simstudio
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# Stop
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docker compose -f docker-compose.prod.yml down
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# Update
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docker compose -f docker-compose.prod.yml pull && docker compose -f docker-compose.prod.yml up -d
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# Backup database
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docker compose -f docker-compose.prod.yml exec db pg_dump -U postgres simstudio > backup.sql
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```

‎apps/docs/content/docs/en/self-hosting/environment-variables.mdx‎

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---
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title: Environment Variables
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description: Configuration reference for Sim Studio
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---
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import { Callout } from 'fumadocs-ui/components/callout'
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## Required
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| Variable | Description |
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|----------|-------------|
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| `DATABASE_URL` | PostgreSQL connection string |
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| `BETTER_AUTH_SECRET` | Auth secret (32 hex chars): `openssl rand -hex 32` |
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| `BETTER_AUTH_URL` | Your app URL |
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| `ENCRYPTION_KEY` | Encryption key (32 hex chars): `openssl rand -hex 32` |
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| `INTERNAL_API_SECRET` | Internal API secret (32 hex chars): `openssl rand -hex 32` |
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| `NEXT_PUBLIC_APP_URL` | Public app URL |
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| `NEXT_PUBLIC_SOCKET_URL` | WebSocket URL (default: `http://localhost:3002`) |
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## AI Providers
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| Variable | Provider |
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|----------|----------|
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| `OPENAI_API_KEY` | OpenAI |
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| `ANTHROPIC_API_KEY_1` | Anthropic Claude |
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| `GEMINI_API_KEY_1` | Google Gemini |
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| `MISTRAL_API_KEY` | Mistral |
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| `OLLAMA_URL` | Ollama (default: `http://localhost:11434`) |
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<Callout type="info">
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For load balancing, add multiple keys with `_1`, `_2`, `_3` suffixes (e.g., `OPENAI_API_KEY_1`, `OPENAI_API_KEY_2`). Works with OpenAI, Anthropic, and Gemini.
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</Callout>
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<Callout type="info">
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In Docker, use `OLLAMA_URL=http://host.docker.internal:11434` for host-machine Ollama.
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</Callout>
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### Azure OpenAI
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| Variable | Description |
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|----------|-------------|
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| `AZURE_OPENAI_API_KEY` | Azure OpenAI API key |
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| `AZURE_OPENAI_ENDPOINT` | Azure OpenAI endpoint URL |
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| `AZURE_OPENAI_API_VERSION` | API version (e.g., `2024-02-15-preview`) |
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### vLLM (Self-Hosted)
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| Variable | Description |
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|----------|-------------|
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| `VLLM_BASE_URL` | vLLM server URL (e.g., `http://localhost:8000/v1`) |
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| `VLLM_API_KEY` | Optional bearer token for vLLM |
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## OAuth Providers
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| Variable | Description |
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|----------|-------------|
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| `GOOGLE_CLIENT_ID` | Google OAuth client ID |
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| `GOOGLE_CLIENT_SECRET` | Google OAuth client secret |
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| `GITHUB_CLIENT_ID` | GitHub OAuth client ID |
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| `GITHUB_CLIENT_SECRET` | GitHub OAuth client secret |
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## Optional
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| Variable | Description |
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|----------|-------------|
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| `API_ENCRYPTION_KEY` | Encrypts stored API keys (32 hex chars): `openssl rand -hex 32` |
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| `COPILOT_API_KEY` | API key for copilot features |
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| `ADMIN_API_KEY` | Admin API key for GitOps operations |
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| `RESEND_API_KEY` | Email service for notifications |
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| `ALLOWED_LOGIN_DOMAINS` | Restrict signups to domains (comma-separated) |
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| `ALLOWED_LOGIN_EMAILS` | Restrict signups to specific emails (comma-separated) |
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| `DISABLE_REGISTRATION` | Set to `true` to disable new user signups |
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## Example .env
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```bash
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DATABASE_URL=postgresql://postgres:postgres@db:5432/simstudio
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BETTER_AUTH_SECRET=<openssl rand -hex 32>
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BETTER_AUTH_URL=https://sim.yourdomain.com
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ENCRYPTION_KEY=<openssl rand -hex 32>
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INTERNAL_API_SECRET=<openssl rand -hex 32>
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NEXT_PUBLIC_APP_URL=https://sim.yourdomain.com
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NEXT_PUBLIC_SOCKET_URL=https://sim.yourdomain.com
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OPENAI_API_KEY=sk-...
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```
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See `apps/sim/.env.example` for all options.

‎apps/docs/content/docs/en/self-hosting/index.mdx‎

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---
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title: Self-Hosting
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description: Deploy Sim Studio on your own infrastructure
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---
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import { Card, Cards } from 'fumadocs-ui/components/card'
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import { Callout } from 'fumadocs-ui/components/callout'
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Deploy Sim Studio on your own infrastructure with Docker or Kubernetes.
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## Requirements
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| Resource | Minimum | Recommended |
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|----------|---------|-------------|
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| CPU | 2 cores | 4+ cores |
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| RAM | 12 GB | 16+ GB |
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| Storage | 20 GB SSD | 50+ GB SSD |
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| Docker | 20.10+ | Latest |
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## Quick Start
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```bash
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git clone https://github.com/simstudioai/sim.git && cd sim
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docker compose -f docker-compose.prod.yml up -d
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```
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Open [http://localhost:3000](http://localhost:3000)
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## Deployment Options
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<Cards>
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<Card title="Docker" href="/self-hosting/docker">
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Deploy with Docker Compose on any server
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</Card>
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<Card title="Kubernetes" href="/self-hosting/kubernetes">
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Deploy with Helm on Kubernetes clusters
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</Card>
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<Card title="Cloud Platforms" href="/self-hosting/platforms">
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Railway, DigitalOcean, AWS, Azure, GCP guides
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</Card>
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</Cards>
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## Architecture
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| Component | Port | Description |
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|-----------|------|-------------|
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| simstudio | 3000 | Main application |
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| realtime | 3002 | WebSocket server |
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| db | 5432 | PostgreSQL with pgvector |
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| migrations | - | Database migrations (runs once) |

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