jyapayne/langflow
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

feat: Add .env file support to Windows build scripts (#9214)

Browse source 
* 🔧 (build_and_run.bat): add support for loading environment variables from .env file
🔧 (build_and_run.ps1): add support for loading environment variables from .env file

* 🐛 (build_and_run.bat): fix path to .env file to correctly load environment variables
🐛 (build_and_run.ps1): fix path to .env file to correctly load environment variables

* 🔧 (build_and_run.bat): set env file parameter if .env file exists to pass to langflow run
🔧 (build_and_run.ps1): set env file parameter if .env file exists to pass to langflow run

* 📝 (build_and_run.bat): improve script to dynamically find and set .env file path for Langflow run
📝 (build_and_run.ps1): enhance script to dynamically locate and set .env file path for Langflow run

* Update scripts/windows/build_and_run.bat

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

* 🔧 (build_and_run.ps1): refactor script to use a boolean flag 'useEnvFile' instead of a string variable 'envFileParam' to improve readability and maintainability
🔧 (build_and_run.ps1): update uvicorn command to use '--env-file' flag directly instead of building the command with a string variable

---------

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
This commit is contained in:
Cristhian Zanforlin Lousa 2025-07-28 18:11:49 -03:00 • committed by GitHub
commit 86c54de508
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
2 changed files with 44 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

21
scripts/windows/build_and_run.bat
View file

@ -1,6 +1,19 @@
@echo off
echo Starting Langflow build and run process...
REM Check if .env file exists and set env file parameter
set "ENV_FILE_PARAM="
REM Get the script directory and resolve project root
for %%I in ("%~dp0..\..") do set "PROJECT_ROOT=%%~fI"
set "ENV_PATH=%PROJECT_ROOT%\.env"
if exist "%ENV_PATH%" (
echo Found .env file at: %ENV_PATH%
set "ENV_FILE_PARAM=--env-file \"%ENV_PATH%\""
) else (
echo .env file not found at: %ENV_PATH%
echo Langflow will use default configuration
)
echo.
echo Step 1: Installing frontend dependencies...
cd ..\..\src\frontend
@ -72,7 +85,11 @@ echo Step 4: Running Langflow...
echo.
echo Attention: Wait until uvicorn is running before opening the browser
echo.
uv run langflow run
if defined ENV_FILE_PARAM (
uv run langflow run %ENV_FILE_PARAM%
) else (
uv run langflow run
)
if errorlevel 1 (
echo Error: Failed to run langflow
pause
@ -81,4 +98,4 @@ if errorlevel 1 (
echo.
echo Langflow build and run process completed!
pause
pause

33
scripts/windows/build_and_run.ps1
View file

@ -2,6 +2,19 @@
Write-Host "Starting Langflow build and run process..." -ForegroundColor Green
# Check if .env file exists and set env file parameter
$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Definition
$projectRoot = Resolve-Path (Join-Path $scriptDir "..\..")
$envPath = Join-Path $projectRoot ".env"
$useEnvFile = $false
if (Test-Path $envPath) {
Write-Host "Found .env file at: $envPath" -ForegroundColor Cyan
$useEnvFile = $true
} else {
Write-Host ".env file not found at: $envPath" -ForegroundColor Yellow
Write-Host "Langflow will use default configuration" -ForegroundColor Yellow
}
# Step 1: Install frontend dependencies
Write-Host "`nStep 1: Installing frontend dependencies..." -ForegroundColor Yellow
try {
@ -35,7 +48,7 @@ try {
Write-Host "`nStep 3: Copying build files to backend..." -ForegroundColor Yellow
try {
Set-Location "..\.."
# Determine build directory
$buildDir = if (Test-Path "src\frontend\build") {
"src\frontend\build"
@ -44,25 +57,25 @@ try {
} else {
throw "Neither build nor dist directory found in src\frontend"
}
$targetDir = "src\backend\base\langflow\frontend"
Write-Host "Copying from $buildDir to $targetDir"
# Create target directory if it doesn't exist
if (-not (Test-Path $targetDir)) {
New-Item -Path $targetDir -ItemType Directory -Force | Out-Null
}
# Remove existing files in target directory (FORCES CLEAN REPLACEMENT)
Write-Host "Removing existing files from target directory..." -ForegroundColor Cyan
if (Test-Path "$targetDir\*") {
Remove-Item "$targetDir\*" -Recurse -Force
}
# Copy all files from build directory
Copy-Item "$buildDir\*" -Destination $targetDir -Recurse -Force
Write-Host "Build files copied successfully!" -ForegroundColor Green
} catch {
Write-Host "Error copying files: $_" -ForegroundColor Red
Read-Host "Press Enter to exit"
@ -73,7 +86,11 @@ try {
Write-Host "`nStep 4: Running Langflow..." -ForegroundColor Yellow
Write-Host "`nAttention: Wait until uvicorn is running before opening the browser" -ForegroundColor Red
try {
uv run langflow run
if ($useEnvFile) {
& uv run langflow run --env-file $envPath
} else {
& uv run langflow run
}
} catch {
Write-Host "Error running langflow: $_" -ForegroundColor Red
Read-Host "Press Enter to exit"
@ -81,4 +98,4 @@ try {
}
Write-Host "`nLangflow build and run process completed!" -ForegroundColor Green
Read-Host "Press Enter to exit"
Read-Host "Press Enter to exit"