diff --git a/atsf_agent/.gitignore b/atsf_agent/.gitignore
index e69de29b..6320cd24 100644
--- a/atsf_agent/.gitignore
+++ b/atsf_agent/.gitignore
@@ -0,0 +1 @@
+data
\ No newline at end of file
diff --git a/atsf_agent/internal/nginx/manager.go b/atsf_agent/internal/nginx/manager.go
index 9b4a79a9..a5744fdc 100644
--- a/atsf_agent/internal/nginx/manager.go
+++ b/atsf_agent/internal/nginx/manager.go
@@ -149,11 +149,15 @@ func NewExecutor(options ExecutorOptions) Executor {
 			Runner: runner,
 		}
 	}
+	routeConfigDir := filepath.Dir(options.RouteConfigPath)
+	if absDir, err := filepath.Abs(routeConfigDir); err == nil {
+		routeConfigDir = absDir
+	}
 	return &DockerExecutor{
 		DockerBinary:   options.DockerBinary,
 		ContainerName:  options.ContainerName,
 		Image:          options.Image,
-		RouteConfigDir: filepath.Dir(options.RouteConfigPath),
+		RouteConfigDir: routeConfigDir,
 		Runner:         runner,
 	}
 }
diff --git a/atsf_agent/internal/nginx/manager_test.go b/atsf_agent/internal/nginx/manager_test.go
index 6f6cd0c2..07b254d9 100644
--- a/atsf_agent/internal/nginx/manager_test.go
+++ b/atsf_agent/internal/nginx/manager_test.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	"path/filepath"
 	"reflect"
+	"strings"
 	"testing"
 )
 
@@ -112,3 +113,23 @@ func TestDockerExecutorStartsStoppedContainer(t *testing.T) {
 		t.Fatalf("expected docker exec on third call, got %#v", runner.calls[2])
 	}
 }
+
+func TestNewExecutorUsesAbsoluteDockerMountPath(t *testing.T) {
+	executor := NewExecutor(ExecutorOptions{
+		DockerBinary:    "docker",
+		ContainerName:   "atsflare-nginx",
+		Image:           "nginx:stable-alpine",
+		RouteConfigPath: "./data/etc/nginx/conf.d/atsflare_routes.conf",
+	})
+
+	dockerExecutor, ok := executor.(*DockerExecutor)
+	if !ok {
+		t.Fatal("expected docker executor")
+	}
+	if !filepath.IsAbs(dockerExecutor.RouteConfigDir) {
+		t.Fatalf("expected absolute route config dir, got %s", dockerExecutor.RouteConfigDir)
+	}
+	if !strings.HasSuffix(dockerExecutor.RouteConfigDir, filepath.Clean("data/etc/nginx/conf.d")) {
+		t.Fatalf("unexpected route config dir: %s", dockerExecutor.RouteConfigDir)
+	}
+}