Merge pull request #48 from lordmathis/fix/command-environment

fix: Pass host environment to instances

pkg/instance/lifecycle.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 	"net/http"
+	"os"
 	"os/exec"
 	"runtime"
 	"syscall"
@@ -37,6 +38,9 @@ func (i *Process) Start() error {
 	// Initialize last request time to current time when starting
 	i.lastRequestTime.Store(i.timeProvider.Now().Unix())
 
+	// Create context before building command (needed for CommandContext)
+	i.ctx, i.cancel = context.WithCancel(context.Background())
+
 	// Create log files
 	if err := i.logger.Create(); err != nil {
 		return fmt.Errorf("failed to create log files: %w", err)
@@ -47,8 +51,6 @@ func (i *Process) Start() error {
 	if cmdErr != nil {
 		return fmt.Errorf("failed to build command: %w", cmdErr)
 	}
-
-	i.ctx, i.cancel = context.WithCancel(context.Background())
 	i.cmd = cmd
 
 	if runtime.GOOS != "windows" {
@@ -383,7 +385,11 @@ func (i *Process) buildCommand() (*exec.Cmd, error) {
 
 	// Create the exec.Cmd
 	cmd := exec.CommandContext(i.ctx, command, args...)
-	cmd.Env = []string{}
+
+	// Start with host environment variables
+	cmd.Env = os.Environ()
+
+	// Add/override with backend-specific environment variables
 	for k, v := range env {
 		cmd.Env = append(cmd.Env, fmt.Sprintf("%s=%s", k, v))
 	}