SurfSense/surfsense_web/content/docs/docker-installation/dev-compose.mdx

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---
title: Docker Compose Development
description: Building SurfSense from source using docker-compose.dev.yml
---
If you're contributing to SurfSense and want to build from source, use `docker-compose.dev.yml` instead:
```bash
cd SurfSense/docker
docker compose -f docker-compose.dev.yml up --build
```
This file builds the backend and frontend from your local source code (instead
of pulling prebuilt images) and includes pgAdmin for database inspection at
[http://localhost:5050](http://localhost:5050). It intentionally keeps raw
frontend, backend, and zero-cache ports published for debugging. Use the
production `docker-compose.yml` for the default Caddy single-origin setup.
## Dev-Only Environment Variables
The following `.env` variables are **only used by the dev compose file** (they have no effect on the production `docker-compose.yml`):
| Variable | Description | Default |
|----------|-------------|---------|
| `PGADMIN_PORT` | pgAdmin web UI port | `5050` |
| `PGADMIN_DEFAULT_EMAIL` | pgAdmin login email | `admin@surfsense.com` |
| `PGADMIN_DEFAULT_PASSWORD` | pgAdmin login password | `surfsense` |
| `REDIS_PORT` | Exposed Redis port (internal-only in prod) | `6379` |
| `NEXT_PUBLIC_FASTAPI_BACKEND_AUTH_TYPE` | Frontend build arg for auth type | `LOCAL` |
| `NEXT_PUBLIC_ETL_SERVICE` | Frontend build arg for ETL service | `DOCLING` |
| `NEXT_PUBLIC_ZERO_CACHE_URL` | Frontend build arg for Zero-cache URL | `http://localhost:4848` |
| `NEXT_PUBLIC_DEPLOYMENT_MODE` | Frontend build arg for deployment mode | `self-hosted` |
In the production compose file, the `NEXT_PUBLIC_*` frontend variables are automatically derived from `AUTH_TYPE`, `ETL_SERVICE`, and the port settings. In the dev compose file, they are passed as build args since the frontend is built from source.
Production Docker exposes only the bundled Caddy proxy by default; dev compose
keeps direct service ports so contributors can inspect and restart individual
services without going through the proxy.