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Tomas DvorakandDevin
a89a81d46c
README hero with real screenshots, install/config/widget docs, goreleaser for dash + dash-agent, GHCR release workflow, changelog, community files, agent systemd unit and Dockerfile, version stamping via -X main.version. Generated with [Devin](https://devin.ai) Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
125 lines
2.9 KiB
Markdown
125 lines
2.9 KiB
Markdown
# Installation
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Dash ships as a single container image or a single static binary. All state
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lives in one directory: a SQLite database and uploaded icons.
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## Docker (recommended)
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```sh
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docker run -d --name dash \
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-v ./data:/data \
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-p 3000:3000 \
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--restart unless-stopped \
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ghcr.io/dvorinka/dash:latest
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```
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Or compose:
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```yaml
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services:
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dash:
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image: ghcr.io/dvorinka/dash:latest
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ports:
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- "3000:3000"
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volumes:
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- ./data:/data
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restart: unless-stopped
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```
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Open http://localhost:3000.
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To build the image locally instead of pulling:
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```sh
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docker compose up --build
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```
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## Binary
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Release archives contain a static `dash` binary (no CGO, no dependencies).
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```sh
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tar xzf dash_linux_amd64.tar.gz
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./dash # listens on :8080, stores data in ./data
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```
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Set `DASH_PORT` and `DASH_DATA_DIR` to change the defaults.
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## dash-agent (system monitoring)
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The agent collects CPU, memory, disk, network, load, temperatures, and Docker
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container state, then pushes a JSON sample to Dash every few seconds.
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1. In the UI, go to **Systems → New system**, copy the generated token.
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2. Download the `dash-agent` binary for the host's architecture from the
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release page, or build it:
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```sh
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cd apps/backend && go build -o dash-agent ./cmd/dash-agent
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```
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3. Run it:
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```sh
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dash-agent -url http://dash:3000 -token <token>
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```
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### Flags / environment
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| Flag | Env | Default | Purpose |
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|---|---|---|---|
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| `-url` | `DASH_URL` | — | Dash base URL |
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| `-token` | `DASH_TOKEN` | — | system token from the UI |
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| `-interval` | `DASH_INTERVAL` | `10` | push interval, seconds |
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| `-once` | — | `false` | print one sample and exit (no push) |
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If `/var/run/docker.sock` exists, container states are included automatically.
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### systemd
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`packaging/dash-agent.service` is a ready-made unit:
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```sh
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sudo install -m755 dash-agent /usr/local/bin/dash-agent
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sudo install -m644 packaging/dash-agent.service /etc/systemd/system/
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sudo mkdir -p /etc/dash
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printf 'DASH_URL=http://dash:3000\nDASH_TOKEN=<token>\n' | sudo tee /etc/dash/agent.env
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sudo systemctl enable --now dash-agent
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```
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### Docker (limited)
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`infra/Dockerfile.agent` builds a minimal agent image. A containerized agent
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only sees its own `/proc` — mount the host's procfs and use host PID mode for
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meaningful numbers:
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```sh
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docker run -d --name dash-agent --pid=host \
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-v /proc:/host/proc:ro \
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-v /var/run/docker.sock:/var/run/docker.sock:ro \
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-e DASH_URL=http://dash:3000 -e DASH_TOKEN=<token> \
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ghcr.io/dvorinka/dash-agent:latest
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```
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The systemd install above is the recommended path.
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## Reverse proxy
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Dash serves the UI and API on one port — a plain reverse proxy works:
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```nginx
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location / {
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proxy_pass http://127.0.0.1:3000;
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proxy_set_header Host $host;
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}
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```
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## Upgrading
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Pull the new image and restart, or replace the binary. Goose migrations run
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automatically on boot; `data/` carries forward.
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```sh
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docker pull ghcr.io/dvorinka/dash:latest && docker compose up -d
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```
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