191 lines
9.6 KiB
Markdown
191 lines
9.6 KiB
Markdown
# RustDesk Server — Docker Compose Deployment
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The repo ships a `docker-compose.yml` that **builds the server from source**
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(this fork's `pro-features` branch) and runs `hbbs` + `hbbr` as two
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containers. No prebuilt image is pulled — every `docker compose build`
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clones the configured Git URL and runs `cargo build --release` inside the
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build stage.
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For the runtime flag reference (CLI options accepted by `hbbs` itself), see
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[CONFIGURATION.md](CONFIGURATION.md). This document only covers the Compose
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glue.
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---
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## Quick start
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```bash
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cp .env.example .env
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# edit .env — at minimum set RUSTDESK_DOMAIN, and change
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# RUSTDESK_BOOTSTRAP_ADMIN_PASSWORD before the first boot
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docker compose up -d --build
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```
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The bootstrap admin (default `admin` / `changeme`) is seeded into the
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`users` table on the **first** boot only — once the row exists, those
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flags are ignored. If you boot with the default password and forget to
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change it, rotate it via the admin UI; if you forget the password
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entirely, delete `./data/db_v2.sqlite3` (loses all server-side state) or
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edit the `users` row with `sqlite3` directly.
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First build pulls the Rust toolchain image and compiles the workspace; expect
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several minutes. Subsequent builds reuse the cargo cache layer unless the
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Git ref or build args change.
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After it boots:
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| Endpoint | Port | Purpose |
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|------------------------------------------|---------|------------------------------------------|
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| `tcp://<domain>:21115` | 21115 | NAT test |
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| `tcp+udp://<domain>:21116` | 21116 | ID / rendezvous (desktop clients) |
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| `tcp://<domain>:21117` | 21117 | Relay (hbbr) |
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| `ws://<domain>:21118` | 21118 | Browser-facing rendezvous WebSocket |
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| `ws://<domain>:21119` | 21119 | Browser-facing relay WebSocket |
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| `http://<domain>:21114/admin/` | 21114 | Admin dashboard (pro-features) |
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| `http://<domain>:21114/api/*` | 21114 | Management API (pro-features) |
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Persistent state — including the auto-generated `id_ed25519` keypair and the
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SQLite database — lives in `./data/` (bind-mounted to `/root` in both
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containers).
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---
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## Files
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| File | Role |
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|-----------------------------|---------------------------------------------------------------------------------------|
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| `docker-compose.yml` | Two services (`hbbs`, `hbbr`) sharing one image built from `docker/Dockerfile.source`.|
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| `docker/Dockerfile.source` | Multi-stage build: clones the repo, runs `cargo build --release`, copies binaries into a `debian:bookworm-slim` runtime. |
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| `.env.example` | Documented template; copy to `.env`. |
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| `data/` | Created on first run. Contains keypair + SQLite DB. **Back this up.** |
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The legacy single-stage `docker/Dockerfile` (busybox + s6-overlay, expects
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prebuilt binaries) and `docker-classic/Dockerfile` are unrelated to this
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flow and unused by `docker-compose.yml`.
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---
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## Environment variables
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These are read by `docker-compose.yml` from `.env`. Compose ships them
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through to the container as command-line flags or `environment:` entries,
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not as raw process env (with the exception of `RUST_LOG` and
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`ALWAYS_USE_RELAY`, which `hbbs` reads from env directly).
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### Runtime
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| Variable | Default | Effect |
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|--------------------------------|-----------------|-------------------------------------------------------------------------------------------------------|
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| `RUSTDESK_DOMAIN` | **required** | Public hostname clients connect to. Passed as `hbbs -r ${RUSTDESK_DOMAIN}:21117`. |
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| `RUSTDESK_BOOTSTRAP_ADMIN_USERNAME` | `admin` | Seeded as the initial admin on **first boot only** (when the `users` table is empty). Ignored on subsequent restarts. Empty disables the bootstrap. |
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| `RUSTDESK_BOOTSTRAP_ADMIN_PASSWORD` | `changeme` | Same — bcrypt-hashed at insert. Change this in `.env` before the first `up`, or rotate via the admin UI immediately after. |
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| `RUSTDESK_KEY` | `-` | Pre-shared key. `-` = auto-generate on first boot (written to `./data/id_ed25519{,.pub}`); `_` = encrypted-only with auto-key; or paste a base64 public key to pin it. Applied to **both** `hbbs` and `hbbr` via `-k`. |
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| `RUSTDESK_HTTP_PORT` | `21114` | Pro-features admin API + dashboard port. Set to `0` to disable HTTP entirely. The host port published is the same value. |
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| `RUSTDESK_ALWAYS_USE_RELAY` | `N` | Force every session through the relay even on LAN. Read from env by hbbs (any non-empty/non-`N` value enables). |
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| `RUST_LOG` | `info` | Log filter. e.g. `debug`, `hbbs=debug,sqlx=warn`. |
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### Build source
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| Variable | Default | Effect |
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|------------------------|---------------------------------------------------------------|-----------------------------------------------------------------------------------------|
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| `RUSTDESK_GIT_URL` | `https://gitea.cstudio.ch/mike/rustdesk-server.git` | Repo cloned inside the builder stage. |
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| `RUSTDESK_GIT_BRANCH` | `pro-features` | Branch / tag / commit to check out (`--branch` so it must be a ref name, not a SHA). |
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| `DATABASE_URL` | unset (uses the cloned repo's `.env`) | Overrides the `DATABASE_URL` sqlx reads at compile time. Rarely needed — see below. |
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Build-arg changes only take effect when the image is rebuilt:
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`docker compose build --no-cache hbbs` (or `up -d --build`).
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---
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## Why `DATABASE_URL` is a build-time concern
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`hbbs` uses `sqlx::query!` macros, which verify SQL **at compile time** by
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running the queries against a real SQLite database. The repo includes a
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checked-in `db_v2.sqlite3` with the schema pre-applied, and a tracked `.env`
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file pointing at it (`DATABASE_URL=sqlite://./db_v2.sqlite3`).
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Cargo automatically reads `.env` from the project root, so `cargo build`
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inside the builder stage Just Works without any explicit configuration.
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You only need to set `DATABASE_URL` in the Compose `.env` if you fork the
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schema or want to point the compile-time check at a different SQLite file.
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At **runtime** the binary opens its own DB under `/root/` (your `./data/`
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bind mount) — that path is not configurable via this variable.
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---
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## Adding extra `hbbs` flags
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`docker-compose.yml` only wires the most common flags. To pass others
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(SMTP, OIDC, recording dir, audit retention, …), edit the `command:`
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block of the `hbbs` service. Example — enable SMTP and set the public
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base URL needed for OIDC callbacks:
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```yaml
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command: >
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hbbs
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-r ${RUSTDESK_DOMAIN:?...}:21117
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-k ${RUSTDESK_KEY:--}
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--http-port ${RUSTDESK_HTTP_PORT:-21114}
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--admin-ui-dir /opt/rustdesk/admin_ui
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--bootstrap-admin-username=${RUSTDESK_BOOTSTRAP_ADMIN_USERNAME:-}
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--bootstrap-admin-password=${RUSTDESK_BOOTSTRAP_ADMIN_PASSWORD:-}
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--public-base-url https://${RUSTDESK_DOMAIN}:${RUSTDESK_HTTP_PORT:-21114}
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--smtp-host ${SMTP_HOST}
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--smtp-user ${SMTP_USER}
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--smtp-pass ${SMTP_PASS}
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--smtp-from ${SMTP_FROM}
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```
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Then add the matching variables to `.env`. The full flag list lives in
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[CONFIGURATION.md](CONFIGURATION.md).
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If you mount an `oidc.toml`, drop it into `./data/` and pass
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`--oidc-config /root/oidc.toml`.
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---
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## Operational notes
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**Upgrading.** Pull the latest commit on `pro-features` and rebuild:
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```bash
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docker compose build --pull --no-cache
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docker compose up -d
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```
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The `--pull` refreshes the Rust toolchain base image; `--no-cache` forces a
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fresh `git clone` (otherwise Docker will reuse the cached clone layer).
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Alternatively, bump `RUSTDESK_GIT_BRANCH` to a tag and rebuild — the changed
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build arg invalidates the clone layer automatically.
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**Logs.** `docker compose logs -f hbbs` (or `hbbr`). Both containers run
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the binary in the foreground.
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**Persistence.** Everything that matters is in `./data/`:
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`id_ed25519{,.pub}` (the server keypair — losing this invalidates every
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existing client) and `db_v2.sqlite3` (users, address books, audit, etc.).
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Back up the whole directory.
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**TLS.** The server itself speaks plain HTTP on 21114 and plain WebSocket
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on 21118 / 21119. Front it with nginx or Caddy for TLS — see the "TLS
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deployment" section in `CONFIGURATION.md`. When you do, set
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`--http-listen=127.0.0.1` and `--ws-listen=127.0.0.1` in the `command:`
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block so the reverse proxy can claim the public ports.
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**Building behind a proxy.** Pass `HTTP_PROXY` / `HTTPS_PROXY` build args
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through Compose:
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```yaml
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build:
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<<: *rustdesk-build
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args:
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HTTP_PROXY: http://proxy.internal:3128
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HTTPS_PROXY: http://proxy.internal:3128
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```
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**Resource hint.** Cold compile takes ~3–5 GB of RAM for the linker step
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(LTO + `codegen-units = 1`). On a small VPS, build the image on a beefier
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machine, push to a registry, and pull from the VPS instead — set the
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`image:` field to a registry tag and drop the `build:` block.
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