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rework

2026-04-26 23:00:55 +03:00

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BashyOverlay — Server Notes

Last updated: 2026-04-26

What it is

BashyOverlay is a Twitch stream overlay tool built with Node.js/Express. It receives Twitch EventSub events (follows, subs, bits, channel points, raids) and broadcasts them to OBS browser sources via WebSocket.

Source: /home/bashy/projects/BashyOverlay (Linux Mint) Deployed to: /opt/heystreamer/ (VPS)

Stack: Node.js, Express, EJS, better-sqlite3, ws, tmi.js, dotenv, express-session

Domains

Domain	Role
`overlay.bashynx.com`	Primary — dashboard, OBS browser source
`heystreamer.bashynx.com`	Alias — same app

Both are reverse-proxied by Apache to localhost:3000. WebSocket at /ws/overlay requires mod_proxy_wstunnel.

Server Location

/opt/heystreamer/
├── src/
│   ├── server.js      — entry point
│   ├── app.js         — Express app, session config
│   ├── db.js          — SQLite setup + migrations
│   ├── eventsub.js    — Twitch EventSub WebSocket client
│   └── ...
├── views/             — EJS templates
├── public/
│   └── media/         — uploaded sounds/videos (gitignored)
├── .env               — credentials (not in git)
└── database.db        — SQLite database

Systemd Service

sudo systemctl status bashyoverlay
sudo systemctl restart bashyoverlay
sudo journalctl -u bashyoverlay -f

Service file: /etc/systemd/system/bashyoverlay.service Runs as: bashynx user Port: 3000 (localhost only, Apache proxies it)

Environment Variables (.env)

Required:

TWITCH_CLIENT_ID=
TWITCH_CLIENT_SECRET=
TWITCH_REDIRECT_URI=https://overlay.bashynx.com/auth/callback
SECRET_KEY=
APP_BASE_URL=https://overlay.bashynx.com

http://localhost:3000/auth/callback (dev)
https://overlay.bashynx.com/auth/callback (production)

Note: Use only one TWITCH_REDIRECT_URI entry in .env — duplicates cause the OAuth redirect to fail silently.

Apache Vhost

File: /etc/apache2/sites-available/overlay.bashynx.conf

Key directives:

RequestHeader set X-Forwarded-Proto "https"

ProxyPass        /ws/overlay ws://127.0.0.1:3000/ws/overlay
ProxyPassReverse /ws/overlay ws://127.0.0.1:3000/ws/overlay
ProxyPass        / http://127.0.0.1:3000/
ProxyPassReverse / http://127.0.0.1:3000/

Header always unset Content-Security-Policy
Header always set Content-Security-Policy "default-src 'self' 'unsafe-inline' 'unsafe-eval' https: wss: data:;"

Required modules: proxy, proxy_http, proxy_wstunnel, headers

Status: Login button fires the request but redirects back to login page.

Root cause: Express doesn't know it's behind an HTTPS proxy, so the session cookie's secure: true flag prevents it from being set over what Express perceives as an HTTP connection.

Fix needed (two parts):

In src/app.js — already applied locally:

app.set('trust proxy', 1); // before session middleware

In Apache vhost — add:

RequestHeader set X-Forwarded-Proto "https"

Redeploy from Linux Mint:

rsync -avzO --exclude='node_modules' --exclude='.env' --exclude='public/media' \
    ~/projects/BashyOverlay/ bashynx@185.8.164.40:/opt/heystreamer/

ssh bashynx@185.8.164.40 "cd /opt/heystreamer && npm install --production"
sudo systemctl restart bashyoverlay

Deploying Updates

From Linux Mint:

rsync -avzO \
    --exclude='node_modules' \
    --exclude='.env' \
    --exclude='public/media' \
    ~/projects/BashyOverlay/ \
    bashynx@37.205.8.118:/opt/heystreamer/

ssh bashynx@37.205.8.118 \
    "cd /opt/heystreamer && npm install --production && sudo systemctl restart bashyoverlay"

OBS Setup

Browser source URL: https://overlay.bashynx.com/overlay/<uuid>

The UUID is generated on first run and stored in the settings table. Find it at: https://overlay.bashynx.com/settings

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