Update docker lookup path

Author: akclace

internal/server/server.go

@@ -247,10 +247,13 @@ func (s *Server) handleAppClose() {
 }
 
 func (s *Server) lookupContainerCommand() string {
-	if _, err := exec.LookPath(PODMAN_COMMAND); err == nil {
-		return PODMAN_COMMAND
-	} else if _, err := exec.LookPath(DOCKER_COMMAND); err == nil {
-		return DOCKER_COMMAND
+	podmanExec := system.FindExec(PODMAN_COMMAND)
+	if podmanExec != "" {
+		return podmanExec
+	}
+	dockerExec := system.FindExec(DOCKER_COMMAND)
+	if dockerExec != "" {
+		return dockerExec
 	}
 	return ""
 }
@@ -437,15 +440,7 @@ func (s *Server) setupHTTPSServer() (*http.Server, error) {
 	var mkcertPath string
 	if s.config.Https.MkcertPath != "disable" {
 		if s.config.Https.MkcertPath == "" {
-			var err error
-			mkcertPath, err = exec.LookPath("mkcert")
-			if err != nil {
-				if system.FileExists("/opt/homebrew/bin/mkcert") {
-					mkcertPath = "/opt/homebrew/bin/mkcert"
-				} else if system.FileExists("/usr/local/bin/mkcert") {
-					mkcertPath = "/usr/local/bin/mkcert"
-				}
-			}
+			mkcertPath = system.FindExec("mkcert")
 		} else {
 			mkcertPath = s.config.Https.MkcertPath
 		}

internal/system/properties.go

@@ -8,6 +8,8 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"os/exec"
+	"path/filepath"
 	"strings"
 )
 
@@ -78,3 +80,27 @@ func FileExists(filename string) bool {
 	_, err := os.Stat(filename)
 	return err == nil // any error is treated as not exists
 }
+
+// FindExec looks for the executable in the system PATH and returns its full path.
+// If not found, it checks common Homebrew locations for the executable.
+func FindExec(name string) string {
+	path, err := exec.LookPath(name)
+	if err == nil {
+		return path
+	}
+
+	// Homebrew services do not have the path set, lookup common paths
+	paths := []string{
+		"/usr/local/bin",
+		"/opt/homebrew/bin",
+		"/home/linuxbrew/.linuxbrew",
+	}
+
+	for _, p := range paths {
+		fullPath := filepath.Join(p, name)
+		if FileExists(fullPath) {
+			return fullPath
+		}
+	}
+	return ""
+}