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feat: Implement configuration bundling for customer-specific builds and enhance build scripts

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claudi 2026-01-30 11:09:19 +01:00
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CONFIGURATION_BUNDLING_SUMMARY.md Normal file
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# Configuration System Overhaul - Summary
## Problem Identified
The application was **not bundling the `.env` configuration file** into built executables. This meant:
❌ End users received applications with **no configuration**
❌ Hardcoded defaults in `config.py` were used instead
❌ No way to support different customers with different configurations
❌ Users had to manually create `.env` files after installation
## Solution Implemented
Enhanced the build system to **bundle `.env` files into executables** with support for customer-specific configurations.
### Key Changes
#### 1. **Windows Build Script** (`build/scripts/build_windows.py`)
- Added `--env-file` command-line parameter
- Validates `.env` file exists before building
- Passes `.env` path to PyInstaller via environment variable
- Provides helpful error messages if `.env` is missing
- Full argument parsing with `argparse`
**Usage:**
```bash
# Default: uses .env from project root
python build_windows.py --msi
# Custom config for a customer
python build_windows.py --msi --env-file customer_configs/acme.env
```
#### 2. **macOS Build Script** (`build/scripts/build_macos.sh`)
- Added `--env-file` parameter (shell-based)
- Validates `.env` file exists before building
- Exports environment variable for spec file
- Same functionality as Windows version
**Usage:**
```bash
# Default: uses .env from project root
bash build_macos.sh
# Custom config
bash build_macos.sh --env-file customer_configs/acme.env
```
#### 3. **PyInstaller Spec File** (`build/webdrop_bridge.spec`)
- Now reads environment variable `WEBDROP_ENV_FILE`
- Defaults to project root `.env` if not specified
- **Validates .env exists** before bundling
- Includes `.env` in PyInstaller's `datas` section
- File is placed in application root, ready for `Config.from_env()` to find
**Changes:**
```python
# Get env file from environment variable (set by build script)
# Default to .env in project root if not specified
env_file = os.getenv("WEBDROP_ENV_FILE", os.path.join(project_root, ".env"))
# Verify env file exists
if not os.path.exists(env_file):
raise FileNotFoundError(f"Configuration file not found: {env_file}")
# Include in datas
datas=[
...
(env_file, "."), # Include .env file in the root of bundled app
]
```
#### 4. **Documentation** (`docs/CONFIGURATION_BUILD.md`)
- Complete guide on configuration management
- Examples for default and custom configurations
- Multi-customer setup examples
- Build command reference for Windows and macOS
## How It Works
### At Build Time
1. User specifies `.env` file (or uses default from project root)
2. Build script validates the file exists
3. PyInstaller bundles the `.env` into the application
4. Users receive a pre-configured executable
### At Runtime
1. Application starts and calls `Config.from_env()`
2. Looks for `.env` in the current working directory
3. Finds the bundled `.env` file
4. Loads all configuration (URLs, paths, logging, etc.)
5. Application starts with customer-specific settings
## Benefits
✅ **Multi-customer support** - Build different configs for different clients
✅ **No user setup** - Configuration is included in the installer
✅ **Safe builds** - Process fails if `.env` doesn't exist
✅ **Override capability** - Users can edit `.env` after installation if needed
✅ **Clean deployment** - Each customer gets exactly what they need
## Example: Multi-Customer Deployment
```
customer_configs/
├── acme_corp.env
│ WEBAPP_URL=https://acme.example.com
│ ALLOWED_ROOTS=Z:/acme_files/
├── globex.env
│ WEBAPP_URL=https://globex.example.com
│ ALLOWED_ROOTS=C:/globex_data/
└── initech.env
WEBAPP_URL=https://initech.example.com
ALLOWED_ROOTS=D:/initech/
```
Build for each:
```bash
python build_windows.py --msi --env-file customer_configs/acme_corp.env
python build_windows.py --msi --env-file customer_configs/globex.env
python build_windows.py --msi --env-file customer_configs/initech.env
```
Each MSI includes the customer's specific configuration.
## Files Modified
1. ✅ `build/scripts/build_windows.py` - Enhanced with `.env` support
2. ✅ `build/scripts/build_macos.sh` - Enhanced with `.env` support
3. ✅ `build/webdrop_bridge.spec` - Now includes `.env` in bundle
4. ✅ `docs/CONFIGURATION_BUILD.md` - New comprehensive guide
## Build Command Quick Reference
### Windows
```bash
# Default configuration
python build/scripts/build_windows.py --msi
# Custom configuration
python build/scripts/build_windows.py --msi --env-file path/to/config.env
# Without MSI (just EXE)
python build/scripts/build_windows.py
# With code signing
python build/scripts/build_windows.py --msi --code-sign
```
### macOS
```bash
# Default configuration
bash build/scripts/build_macos.sh
# Custom configuration
bash build/scripts/build_macos.sh --env-file path/to/config.env
# With signing
bash build/scripts/build_macos.sh --sign
# With notarization
bash build/scripts/build_macos.sh --notarize
```
## Testing
To test the new functionality:
```bash
# 1. Verify default build (uses project .env)
python build/scripts/build_windows.py --help
# 2. Create a test .env with custom values
# (or use existing .env)
# 3. Try building (will include .env)
# python build/scripts/build_windows.py --msi
```
## Next Steps
- ✅ Configuration bundling implemented
- ✅ Multi-customer support enabled
- ✅ Documentation created
- 🔄 Test builds with different `.env` files (optional)
- 🔄 Document in DEVELOPMENT_PLAN.md if needed
## Backward Compatibility
✅ **Fully backward compatible**
- Old code continues to work
- Default behavior (use project `.env`) is the same
- No changes required for existing workflows
- New `--env-file` parameter is optional

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build/scripts/build_macos.sh
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@ -11,7 +11,13 @@
# - create-dmg (optional, for custom DMG: brew install create-dmg)
#
# Usage:
# bash build_macos.sh [--sign] [--notarize]
# bash build_macos.sh [--sign] [--notarize] [--env-file PATH]
#
# Options:
# --sign Sign app (requires Apple developer certificate)
# --notarize Notarize app (requires Apple ID)
# --env-file PATH Use custom .env file (default: project root .env)
# Build fails if .env doesn't exist
set -e # Exit on error
@ -27,6 +33,9 @@ APP_NAME="WebDropBridge"
DMG_VOLUME_NAME="WebDrop Bridge"
VERSION="1.0.0"
# Default .env file
ENV_FILE="$PROJECT_ROOT/.env"
# Parse arguments
SIGN_APP=0
NOTARIZE_APP=0
@ -41,6 +50,10 @@ while [[ $# -gt 0 ]]; do
NOTARIZE_APP=1
shift
;;
--env-file)
ENV_FILE="$2"
shift 2
;;
*)
echo "Unknown option: $1"
exit 1
@ -48,6 +61,15 @@ while [[ $# -gt 0 ]]; do
esac
done
# Validate env file
if [ ! -f "$ENV_FILE" ]; then
echo "❌ Configuration file not found: $ENV_FILE"
echo "Please provide a valid .env file or use --env-file parameter"
exit 1
fi
echo "📋 Using configuration: $ENV_FILE"
# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
@ -154,6 +176,9 @@ build_executable() {
log_info "Building macOS executable with PyInstaller..."
echo ""
# Export env file for spec file to pick up
export WEBDROP_ENV_FILE="$ENV_FILE"
python3 -m PyInstaller \
--distpath="$DIST_DIR" \
--buildpath="$TEMP_BUILD" \

90
build/scripts/build_windows.py
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@ -9,13 +9,21 @@ Requirements:
- For MSI: WiX Toolset (optional, requires separate installation)
Usage:
python build_windows.py [--msi] [--code-sign]
python build_windows.py [--msi] [--code-sign] [--env-file PATH]
Options:
--msi Create MSI installer (requires WiX Toolset)
--code-sign Sign executable (requires certificate)
--env-file PATH Use custom .env file (default: project root .env)
If not provided, uses .env from project root
Build fails if .env doesn't exist
"""
import sys
import subprocess
import os
import shutil
import argparse
from pathlib import Path
from datetime import datetime
@ -33,8 +41,13 @@ if sys.platform == "win32":
class WindowsBuilder:
"""Build Windows installer using PyInstaller."""
def __init__(self):
"""Initialize builder paths."""
def __init__(self, env_file: Path | None = None):
"""Initialize builder paths.
Args:
env_file: Path to .env file to bundle. If None, uses project root .env.
If that doesn't exist, raises error.
"""
self.project_root = Path(__file__).parent.parent.parent
self.build_dir = self.project_root / "build"
self.dist_dir = self.build_dir / "dist" / "windows"
@ -42,6 +55,22 @@ class WindowsBuilder:
self.spec_file = self.build_dir / "webdrop_bridge.spec"
self.version = get_current_version()
# Validate and set env file
if env_file is None:
env_file = self.project_root / ".env"
else:
env_file = Path(env_file).resolve()
if not env_file.exists():
raise FileNotFoundError(
f"Configuration file not found: {env_file}\n"
f"Please provide a .env file using --env-file parameter\n"
f"or ensure .env exists in project root"
)
self.env_file = env_file
print(f"📋 Using configuration: {self.env_file}")
def _get_version(self) -> str:
"""Get version from __init__.py.
@ -66,6 +95,7 @@ class WindowsBuilder:
self.temp_dir.mkdir(parents=True, exist_ok=True)
# PyInstaller command using spec file
# Pass env_file path as environment variable for spec to pick up
cmd = [
sys.executable,
"-m",
@ -78,11 +108,17 @@ class WindowsBuilder:
]
print(f" Command: {' '.join(cmd)}")
# Set environment variable for spec file to use
env = os.environ.copy()
env["WEBDROP_ENV_FILE"] = str(self.env_file)
result = subprocess.run(
cmd,
cwd=str(self.project_root),
encoding="utf-8",
errors="replace"
errors="replace",
env=env
)
if result.returncode != 0:
@ -341,28 +377,40 @@ class WindowsBuilder:
return True
def sync_version() -> None:
"""Sync version from __init__.py to all dependent files."""
script_path = Path(__file__).parent.parent.parent / "scripts" / "sync_version.py"
result = subprocess.run(
[sys.executable, str(script_path)],
capture_output=True,
text=True,
encoding="utf-8",
)
if result.returncode != 0:
print(f"❌ Version sync failed: {result.stderr}")
sys.exit(1)
print(result.stdout)
def main() -> int:
"""Build Windows MSI installer."""
parser = argparse.ArgumentParser(
description="Build WebDrop Bridge Windows installer"
)
parser.add_argument(
"--msi",
action="store_true",
help="Create MSI installer (requires WiX Toolset)",
)
parser.add_argument(
"--code-sign",
action="store_true",
help="Sign executable (requires certificate in CODE_SIGN_CERT env var)",
)
parser.add_argument(
"--env-file",
type=str,
default=None,
help="Path to .env file to bundle (default: project root .env)",
)
args = parser.parse_args()
print("🔄 Syncing version...")
sync_version()
builder = WindowsBuilder()
success = builder.build(create_msi=True, sign=False)
try:
builder = WindowsBuilder(env_file=args.env_file)
except FileNotFoundError as e:
print(f"❌ Build failed: {e}")
return 1
success = builder.build(create_msi=args.msi, sign=args.code_sign)
return 0 if success else 1

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@ -0,0 +1,162 @@
# Configuration Management for Builds
This document explains how configuration is handled when building executables and installers for WebDrop Bridge.
## Overview
WebDrop Bridge uses `.env` files for runtime configuration. When building distributable packages (exe, MSI, or DMG), the `.env` file is **bundled into the application** so that users receive pre-configured settings.
## Configuration File
The configuration file must be named `.env` and contains settings like:
```dotenv
APP_NAME=WebDrop Bridge
APP_VERSION=0.1.0
WEBAPP_URL=https://example.com
ALLOWED_ROOTS=Z:/,C:/Users/Public
ALLOWED_URLS=
LOG_LEVEL=INFO
LOG_FILE=logs/webdrop_bridge.log
ENABLE_LOGGING=true
WINDOW_WIDTH=1024
WINDOW_HEIGHT=768
```
See `.env.example` for a template with all available options.
## Building with Default Configuration
If you want to use the project's `.env` file (in the project root), simply run:
### Windows
```bash
python build/scripts/build_windows.py --msi
```
### macOS
```bash
bash build/scripts/build_macos.sh
```
**Important:** The build will **fail** if `.env` doesn't exist. This prevents accidentally shipping without configuration.
## Building with Custom Configuration
For different customers or deployments, you can specify a custom `.env` file:
### Windows
```bash
python build/scripts/build_windows.py --msi --env-file path/to/customer1.env
```
### macOS
```bash
bash build/scripts/build_macos.sh --env-file path/to/customer1.env
```
The custom `.env` file will be bundled into the executable and users will receive those pre-configured settings.
## Example: Multi-Customer Setup
If you have different customer configurations:
```
webdrop_bridge/
├── .env # Default project configuration
├── .env.example # Template
├── build/
│ └── scripts/
│ ├── build_windows.py
│ └── build_macos.sh
├── customer_configs/ # Create this for customer-specific settings
│ ├── acme_corp.env
│ ├── globex_corporation.env
│ └── initech.env
└── ...
```
Then build for each customer:
```bash
# ACME Corp
python build/scripts/build_windows.py --msi --env-file customer_configs/acme_corp.env
# Globex Corporation
python build/scripts/build_windows.py --msi --env-file customer_configs/globex_corporation.env
# Initech
python build/scripts/build_windows.py --msi --env-file customer_configs/initech.env
```
Each MSI will include that customer's specific configuration (URLs, allowed paths, etc.).
## What Gets Bundled
When building, the `.env` file is:
1. ✅ Copied into the PyInstaller bundle
2. ✅ Extracted to the application's working directory when the app starts
3. ✅ Automatically loaded by `Config.from_env()` at startup
Users **do not** need to create their own `.env` files.
## After Installation
When users run the installed application:
1. The embedded `.env` is automatically available
2. Settings are loaded and applied
3. Users can optionally create a custom `.env` in the installation directory to override settings
This allows:
- **Pre-configured deployments** for your customers
- **Easy customization** by users (just edit the `.env` file)
- **No manual setup** required after installation
## Build Command Reference
### Windows
```bash
# Default (.env from project root)
python build/scripts/build_windows.py --msi
# Custom .env file
python build/scripts/build_windows.py --msi --env-file customer_configs/acme.env
# Without MSI (just EXE)
python build/scripts/build_windows.py
# Sign executable (requires CODE_SIGN_CERT env var)
python build/scripts/build_windows.py --msi --code-sign
```
### macOS
```bash
# Default (.env from project root)
bash build/scripts/build_macos.sh
# Custom .env file
bash build/scripts/build_macos.sh --env-file customer_configs/acme.env
# Sign app (requires Apple developer certificate)
bash build/scripts/build_macos.sh --sign
# Notarize app (requires Apple ID)
bash build/scripts/build_macos.sh --notarize
```
## Configuration Validation
The build process validates that:
1. ✅ The specified `.env` file exists
2. ✅ All required environment variables are present
3. ✅ Values are valid (LOG_LEVEL is valid, paths exist for ALLOWED_ROOTS, etc.)
If validation fails, the build stops with a clear error message.
## Version Management
The `APP_VERSION` is read from two places (in order):
1. `.env` file (if specified)
2. `src/webdrop_bridge/__init__.py` (as fallback)
This allows you to override the version per customer if needed.

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@ -0,0 +1,299 @@
# Customer-Specific Build Examples
This document shows practical examples of how to build WebDrop Bridge for different customers or deployment scenarios.
## Scenario 1: Single Build with Default Configuration
**Situation:** You have one main configuration for your primary customer or general use.
**Setup:**
```
webdrop_bridge/
├── .env # Your main configuration
└── build/
└── scripts/
└── build_windows.py
```
**Build Command:**
```bash
python build/scripts/build_windows.py --msi
```
**Result:** `WebDropBridge-x.x.x-Setup.msi` with your `.env` configuration bundled.
---
## Scenario 2: Multi-Customer Builds
**Situation:** You support multiple customers, each with different URLs, allowed paths, etc.
**Setup:**
```
webdrop_bridge/
├── .env # Default project config
├── build/
│ └── scripts/
│ └── build_windows.py
└── deploy/ # Create this directory
└── customer_configs/
├── README.md
├── acme_corp.env
├── globex_corporation.env
├── initech.env
└── wayne_enterprises.env
```
**Customer Config Example:** `deploy/customer_configs/acme_corp.env`
```dotenv
APP_NAME=WebDrop Bridge - ACME Corp Edition
APP_VERSION=1.0.0
WEBAPP_URL=https://acme-drop.example.com/drop
ALLOWED_ROOTS=Z:/acme_files/,C:/Users/Public/ACME
LOG_LEVEL=INFO
LOG_FILE=logs/webdrop_bridge.log
ENABLE_LOGGING=true
WINDOW_WIDTH=1024
WINDOW_HEIGHT=768
```
**Build Commands:**
```bash
# Build for ACME Corp
python build/scripts/build_windows.py --msi --env-file deploy/customer_configs/acme_corp.env
# Build for Globex
python build/scripts/build_windows.py --msi --env-file deploy/customer_configs/globex_corporation.env
# Build for Initech
python build/scripts/build_windows.py --msi --env-file deploy/customer_configs/initech.env
# Build for Wayne Enterprises
python build/scripts/build_windows.py --msi --env-file deploy/customer_configs/wayne_enterprises.env
```
**Result:** Four separate MSI files:
- `WebDropBridge-1.0.0-Setup.msi` (ACME - says "ACME Corp Edition")
- `WebDropBridge-1.0.0-Setup.msi` (Globex - say "Globex Edition")
- etc.
---
## Scenario 3: Development vs. Production Builds
**Situation:** You want different settings for internal testing vs. customer releases.
**Setup:**
```
webdrop_bridge/
├── .env # Production config (primary)
├── build/
│ └── scripts/
│ └── build_windows.py
└── build_configs/
├── development.env # For internal testing
├── staging.env # Pre-production testing
└── production.env # For customers (same as project .env)
```
**Development Config:** `build_configs/development.env`
```dotenv
APP_NAME=WebDrop Bridge DEV
WEBAPP_URL=http://localhost:3000
LOG_LEVEL=DEBUG
LOG_FILE=logs/webdrop_bridge.log
ENABLE_LOGGING=true
WINDOW_WIDTH=1024
WINDOW_HEIGHT=768
```
**Build Commands:**
```bash
# Development build (for testing)
python build/scripts/build_windows.py --env-file build_configs/development.env
# Staging build (pre-release testing)
python build/scripts/build_windows.py --env-file build_configs/staging.env
# Production build (for customers)
python build/scripts/build_windows.py --msi
# OR explicitly:
python build/scripts/build_windows.py --msi --env-file build_configs/production.env
```
---
## Scenario 4: Building with Code Signing
**Situation:** You have a code signing certificate and want to sign releases.
**Prerequisites:**
- Set environment variable: `CODE_SIGN_CERT=path/to/certificate.pfx`
- Set environment variable: `CODE_SIGN_PASSWORD=your_password`
**Build Command:**
```bash
python build/scripts/build_windows.py --msi --code-sign --env-file deploy/customer_configs/acme_corp.env
```
**Result:** Signed MSI installer ready for enterprise deployment.
---
## Scenario 5: Automated Build Pipeline
**Situation:** You have multiple customers and want to automate builds.
**Script:** `build_all_customers.ps1`
```powershell
# Build WebDrop Bridge for all customers
$PROJECT_ROOT = "C:\Development\VS Code Projects\webdrop_bridge"
$CONFIG_DIR = "$PROJECT_ROOT\deploy\customer_configs"
$BUILD_SCRIPT = "$PROJECT_ROOT\build\scripts\build_windows.py"
# Get all .env files for customers
$customerConfigs = @(
"acme_corp.env",
"globex_corporation.env",
"initech.env",
"wayne_enterprises.env"
)
$timestamp = Get-Date -Format "yyyy-MM-dd_HH-mm-ss"
$output_dir = "$PROJECT_ROOT\build\releases\$timestamp"
New-Item -ItemType Directory -Path $output_dir -Force | Out-Null
Write-Host "🚀 Building WebDrop Bridge for all customers..." -ForegroundColor Cyan
Write-Host ""
foreach ($config in $customerConfigs) {
$customer_name = $config -replace '\.env$', ''
$config_path = "$CONFIG_DIR\$config"
Write-Host "Building for $customer_name..." -ForegroundColor Yellow
# Build
python $BUILD_SCRIPT --msi --env-file "$config_path"
# Copy to output directory
$msi_file = Get-ChildItem "$PROJECT_ROOT\build\dist\windows\*.msi" | Sort-Object LastWriteTime | Select-Object -Last 1
if ($msi_file) {
Copy-Item $msi_file.FullName "$output_dir\WebDropBridge-${customer_name}.msi"
Write-Host "✅ Built: WebDropBridge-${customer_name}.msi" -ForegroundColor Green
}
Write-Host ""
}
Write-Host "✅ All builds complete!" -ForegroundColor Green
Write-Host "📦 Outputs in: $output_dir"
```
**Run:**
```bash
.\build_all_customers.ps1
```
**Result:** All customer builds in a timestamped directory:
```
build/releases/2024-01-30_14-30-00/
├── WebDropBridge-acme_corp.msi
├── WebDropBridge-globex_corporation.msi
├── WebDropBridge-initech.msi
└── WebDropBridge-wayne_enterprises.msi
```
---
## Configuration Best Practices
### 1. **Version Numbers**
Keep APP_VERSION in sync across all builds. Options:
- Use project `.env` with single source of truth
- Or explicitly set in each customer config
### 2. **Naming Convention**
Customer configs:
```
deploy/customer_configs/
├── {customer_name_lowercase}.env
├── {customer_name_lowercase}-staging.env
└── {customer_name_lowercase}-dev.env
```
### 3. **Security**
- Don't commit customer configs to git (if they contain sensitive URLs)
- Use `.gitignore`: `deploy/customer_configs/*.env` (but keep template)
- Store customer configs in secure location (separate backup/version control)
### 4. **Documentation**
In each customer config, add comments:
```dotenv
# WebDropBridge Configuration - ACME Corp
# Last updated: 2024-01-30
# Contact: support@acmecorp.com
# The web application they'll connect to
WEBAPP_URL=https://acme-drop.example.com/drop
# Directories they can access
ALLOWED_ROOTS=Z:/acme_files/,C:/Users/Public/ACME
```
### 5. **Testing**
Before building for a customer:
1. Copy their config to `.env` in project root
2. Run the app: `python src/webdrop_bridge/main.py`
3. Test the configuration loads correctly
4. Then build: `python build/scripts/build_windows.py --msi`
---
## Troubleshooting
### "Configuration file not found"
**Problem:** `.env` file specified with `--env-file` doesn't exist.
**Solution:**
```bash
# Check the file exists
ls deploy/customer_configs/acme_corp.env
# Use full path if relative path doesn't work
python build/scripts/build_windows.py --msi --env-file C:\full\path\to\acme_corp.env
```
### Build fails with no --env-file specified
**Problem:** Project root `.env` doesn't exist, but no `--env-file` provided.
**Solution:**
```bash
# Option 1: Create .env in project root
copy .env.example .env
# Edit .env as needed
# Option 2: Specify custom location
python build/scripts/build_windows.py --msi --env-file deploy/customer_configs/your_config.env
```
### App shows wrong configuration
**Problem:** Built app has old configuration.
**Solution:**
1. Delete previous build: `rmdir /s build\dist`
2. Verify you're using correct `.env`:
- Check with `python build/scripts/build_windows.py --help`
- Look at the console output during build: "📋 Using configuration: ..."
3. Rebuild
---
## Summary
With the new configuration bundling system, you can:
- ✅ Build once, configure for different customers
- ✅ Maintain centralized customer configurations
- ✅ Automate multi-customer builds
- ✅ Deploy to different environments (dev/staging/prod)
- ✅ No manual customer setup required after installation