add bifrost docs

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2026-03-16 09:52:57 -04:00
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# Podman bifrost
- [Podman bifrost](#podman-bifrost)
- [Setup bifrost Project](#setup-bifrost-project)
- [Install bifrost](#install-bifrost)
- [Create the ai user](#create-the-ai-user)
- [Write the bifrost compose spec](#write-the-bifrost-compose-spec)
- [A Note on Volumes](#a-note-on-volumes)
- [Convert bifrost compose spec to quadlets](#convert-bifrost-compose-spec-to-quadlets)
- [Start and enable your systemd quadlet](#start-and-enable-your-systemd-quadlet)
- [Expose bifrost](#expose-bifrost)
- [Using bifrost](#using-bifrost)
- [Adding Models](#adding-models)
- [Testing Models](#testing-models)
- [Backup bifrost](#backup-bifrost)
- [Upgrade bifrost](#upgrade-bifrost)
- [Upgrade Quadlets](#upgrade-quadlets)
- [Uninstall](#uninstall)
- [Notes](#notes)
- [SELinux](#selinux)
## Setup bifrost Project
- [ ] Copy and rename this folder to active/container_bifrost
- [ ] Find and replace bifrost with the name of the service.
- [ ] Create the rootless user to run the podman containers
- [ ] Write the compose.yaml spec for your service
- [ ] Convert the compose.yaml spec to a quadlet
- [ ] Install the quadlet on the podman server
- [ ] Expose the quadlet service
- [ ] Install a backup service and timer
## Install bifrost
### Create the ai user
```bash
# SSH into your podman server as root
useradd ai
loginctl enable-linger $(id -u ai)
systemctl --user --machine=ai@.host enable podman-restart
systemctl --user --machine=ai@.host enable --now podman.socket
mkdir -p /home/ai/.config/containers/systemd
```
### Write the bifrost compose spec
Edit the compose.yaml at active/container_bifrost/compose/compose.yaml
#### A Note on Volumes
Named volumes are stored at `/home/bifrost/.local/share/containers/storage/volumes/`.
### Convert bifrost compose spec to quadlets
Run the following to convert a compose.yaml into the various `.container` files for systemd:
```bash
# Generate the systemd service
podman run \
--security-opt label=disable \
--rm \
-v $(pwd)/active/container_bifrost/compose:/compose \
-v $(pwd)/active/container_bifrost/quadlets:/quadlets \
quay.io/k9withabone/podlet \
-f /quadlets \
-i \
--overwrite \
compose /compose/compose.yaml
# Copy the files to the server
export PODMAN_SERVER=ai-ai
scp -r active/container_bifrost/quadlets/. $PODMAN_SERVER:/home/ai/.config/containers/systemd/
```
### Start and enable your systemd quadlet
SSH into your podman server as root:
```bash
systemctl --user daemon-reload
systemctl --user restart bifrost
journalctl --user -u bifrost -f
# Enable auto-update service which will pull new container images automatically every day
systemctl --user enable --now podman-auto-update.timer
```
### Expose bifrost
1. If you need a domain, follow the [DDNS instructions](/active/container_ddns/ddns.md#install-a-new-ddns-service)
2. For a web service, follow the [Caddy instructions](/active/container_caddy/caddy.md#adding-a-new-caddy-record)
3. Finally, follow your OS's guide for opening ports via its firewall service.
## Using bifrost
### Adding Models
```json
// qwen3.5-35b-a3b-thinking
{
"temperature": 1,
"top_p": 0.95,
"presence_penalty": 1.5,
"extra_body": {
"top_k": 20,
"min_p": 0,
"repetition_penalty": 1,
"chat_template_kwargs": {
"enable_thinking": true
}
}
}
// qwen3.5-35b-a3b-coding
{
"temperature": 0.6,
"top_p": 0.95,
"presence_penalty": 0,
"extra_body": {
"top_k": 20,
"min_p": 0,
"repetition_penalty": 1,
"chat_template_kwargs": {
"enable_thinking": true
}
}
}
// qwen3.5-35b-a3b-instruct
{
"temperature": 0.7,
"top_p": 0.8,
"presence_penalty": 1.5,
"extra_body": {
"top_k": 20,
"min_p": 0,
"repetition_penalty": 1,
"chat_template_kwargs": {
"enable_thinking": false
}
}
}
```
### Testing Models
```bash
# List models
curl -L -X GET 'https://aipi.reeseapps.com/v1/models' \
-H 'Content-Type: application/json' \
-H 'Authorization: Bearer sk-1234'
curl -L -X POST 'https://aipi.reeseapps.com/v1/chat/completions' \
-H 'Content-Type: application/json' \
-H 'Authorization: Bearer sk-1234' \
-d '{
"model": "gpt-4o-mini", # 👈 REPLACE with 'public model name' for any db-model
"messages": [
{
"content": "Hey, how's it going",
"role": "user"
}
],
}'
```
## Backup bifrost
Follow the [Borg Backup instructions](/active/systemd_borg/borg.md#set-up-a-client-for-backup)
## Upgrade bifrost
### Upgrade Quadlets
Upgrades should be a repeat of [writing the compose spec](#convert-bifrost-compose-spec-to-quadlets) and [installing the quadlets](#start-and-enable-your-systemd-quadlet)
```bash
export PODMAN_SERVER=
scp -r quadlets/. $PODMAN_SERVER$:/home/bifrost/.config/containers/systemd/
ssh bifrost systemctl --user daemon-reload
ssh bifrost systemctl --user restart bifrost
```
## Uninstall
```bash
# Stop the user's services
systemctl --user disable podman-restart
podman container stop --all
systemctl --user disable --now podman.socket
systemctl --user disable --now podman-auto-update.timer
# Delete the user (this won't delete their home directory)
# userdel might spit out an error like:
# userdel: user bifrost is currently used by process 591255
# kill those processes and try again
userdel bifrost
```
## Notes
### SELinux
<https://blog.christophersmart.com/2021/01/31/podman-volumes-and-selinux/>
:z allows a container to share a mounted volume with all other containers.
:Z allows a container to reserve a mounted volume and prevents any other container from accessing.

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# Compose
Put your compose.yaml here.

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services:
bifrost:
image: docker.io/maximhq/bifrost:latest
container_name: bifrost
ports:
- "8000:8000"
volumes:
- bifrost-data:/app/data
environment:
- APP_PORT=8000
- APP_HOST=0.0.0.0
- LOG_LEVEL=info
- LOG_STYLE=json
ulimits:
nofile:
soft: 65536
hard: 65536
healthcheck:
test:
[
"CMD",
"wget",
"--no-verbose",
"--tries=1",
"-O",
"/dev/null",
"http://localhost:8080/health",
]
interval: 30s
timeout: 10s
retries: 3
restart: unless-stopped

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[Container]
ContainerName=bifrost
Environment=APP_PORT=8000 APP_HOST=0.0.0.0 LOG_LEVEL=info LOG_STYLE=json
HealthCmd=["wget", "--no-verbose", "--tries=1", "-O", "/dev/null", "http://localhost:8080/health"]
HealthInterval=30s
HealthRetries=3
HealthTimeout=10s
Image=docker.io/maximhq/bifrost:latest
PublishPort=8000:8000
Ulimit=nofile=65536:65536
Volume=bifrost-data:/app/data
[Service]
Restart=always
[Install]
WantedBy=default.target