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samba/CLAUDE.md
Struchkov Mark 183f0a8642 Add CLAUDE.md for Claude Code guidance 
Provides build/run commands, architecture overview, and configuration reference for the Samba Docker image.

🤖 Generated with [Claude Code](https://claude.ai/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-07 16:09:12 +03:00

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CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Project Overview

This is a Docker image for running Samba file server, forked from dperson/samba. It provides an Alpine-based container with current Samba versions and macOS Time Machine support.

Build and Run Commands

# Build the Docker image
docker build -t samba .

# Run with default configuration
docker run -it -p 139:139 -p 445:445 -d samba -p

# Run with docker-compose (uses example configuration)
docker-compose up -d

# Test the running container
smbclient -L \\localhost -U % -m SMB3

Architecture

Key Files

  • Dockerfile: Alpine-based image that installs samba and configures /etc/samba/smb.conf with sensible defaults (SMB2/3 only, Time Machine support, recycle bin)
  • samba.sh: Entrypoint script that handles all configuration via CLI flags and environment variables

Configuration Flow

  1. Container starts with samba.sh as entrypoint (via tini)
  2. Environment variables (SHARE, USER, GLOBAL, etc.) are processed first
  3. CLI flags (-s, -u, -g, etc.) override/add to configuration
  4. Configuration is written to /etc/samba/smb.conf
  5. smbd starts in foreground mode

Configuration Options

Configuration can be done via CLI flags or environment variables:

  • -s / SHARE: Add shares (format: name;/path;browse;readonly;guest;users;admins;writelist;comment)
  • -u / USER: Add users (format: username;password;ID;group;GID)
  • -g / GLOBAL: Set global smb.conf options
  • -G / GENERIC: Set section-specific smb.conf options
  • -n / NMBD: Enable NetBIOS daemon (requires ports 137-138/udp)
  • -p / PERMISSIONS: Fix ownership/permissions on shares

Multiple shares/users: use numbered env vars (SHARE, SHARE2, SHARE3, etc.)

Exposed Ports

  • 137/udp, 138/udp: NetBIOS (only needed with -n flag)
  • 139/tcp: SMB over NetBIOS
  • 445/tcp: SMB direct

Default User

Samba runs as smbuser:smb by default. Override with USERID and GROUPID environment variables.