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Docker

The repository contains a multi-stage Dockerfile that builds the Next.js frontend, compiles the Go backend and produces a small runtime image based on node:22-alpine.

Build and run​

docker build -t casnode .
docker run -d --name casnode \
  -p 16900:16900 \
  -v casnode-data:/app/data \
  casnode

Open http://localhost:16900. The first account you register is the administrator.

The image sets dbName=/app/data/casnode.db and uploadsDir=/app/data/uploads, so the SQLite database and uploads live in the casnode-data volume. Back up that volume, or the database and uploads separately if you use another database.

Use MySQL or PostgreSQL​

Configuration items can be passed as environment variables with the same names. This runs Casnode against a MySQL 8 container:

services:
  db:
    image: mysql:8.4
    environment:
      MYSQL_ROOT_PASSWORD: change-me
      MYSQL_DATABASE: casnode
    volumes:
      - mysql-data:/var/lib/mysql

  casnode:
    build: .
    ports:
      - "16900:16900"
    environment:
      driverName: mysql
      dataSourceName: root:change-me@tcp(db:3306)/
      dbName: casnode
      httpport: "16900"
    depends_on:
      - db

volumes:
  mysql-data:

For PostgreSQL, use a DSN such as user=casnode password=change-me host=db port=5432 sslmode=disable and driverName: postgres. For SQL Server, use driverName: mssql and a DSN such as sqlserver://sa:change-me@db:1433.

You can also mount a conf/app.local.conf into the container instead of passing environment variables:

docker run -d -p 16900:16900 \
  -v casnode-data:/app/data \
  -v ./app.local.conf:/app/conf/app.local.conf:ro \
  casnode

Behind a reverse proxy​

The Go backend listens on httpport and proxies page requests to the Next.js server on httpport + 1. Only httpport needs to be exposed. When a proxy is in front, set trustProxyHeader = true (or TRUSTPROXYHEADER=true) so that the forum records the real client IP. See Deployment.

Upgrades​

Build a new image and replace the container; the volume keeps the data. A 2.x image can be replaced by a newer 2.x image in place. A 1.x database cannot be upgraded; see Introduction.