diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 08accc8..bd9ee5d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -42,8 +42,6 @@ jobs:
       - name: Test
         run: PATH=$(pwd):$PATH gotestsum ./... -- --race
 
-  test-webui: runs-on
-
   test-win:
     runs-on: windows-latest
     steps:
diff --git a/.gitignore b/.gitignore
index 3d7233f..68ff69c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
-test*
 backrest-*
 dist
 __debug_bin
@@ -6,4 +5,4 @@ cmd/backrest/backrest
 *.exe
 .DS_Store
 .idea/
-.pnpm-store/
\ No newline at end of file
+.pnpm-store/
diff --git a/go.mod b/go.mod
index 3ffeb7b..920a2ef 100644
--- a/go.mod
+++ b/go.mod
@@ -46,6 +46,7 @@ require (
 require (
 	github.com/akavel/rsrc v0.10.2 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/bufbuild/connect-go v1.10.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/dchest/jsmin v1.0.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
diff --git a/go.sum b/go.sum
index e8fb01f..2869929 100644
--- a/go.sum
+++ b/go.sum
@@ -11,6 +11,8 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bool64/dev v0.2.39 h1:kP8DnMGlWXhGYJEZE/J0l/gVBdbuhoPGL+MJG4QbofE=
 github.com/bool64/dev v0.2.39/go.mod h1:iJbh1y/HkunEPhgebWRNcs8wfGq7sjvJ6W5iabL8ACg=
+github.com/bufbuild/connect-go v1.10.0 h1:QAJ3G9A1OYQW2Jbk3DeoJbkCxuKArrvZgDt47mjdTbg=
+github.com/bufbuild/connect-go v1.10.0/go.mod h1:CAIePUgkDR5pAFaylSMtNK45ANQjp9JvpluG20rhpV8=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/containrrr/shoutrrr v0.8.0 h1:mfG2ATzIS7NR2Ec6XL+xyoHzN97H8WPjir8aYzJUSec=
diff --git a/test/e2e/first_run_test.go b/test/e2e/first_run_test.go
new file mode 100644
index 0000000..e74f73b
--- /dev/null
+++ b/test/e2e/first_run_test.go
@@ -0,0 +1,136 @@
+package e2e
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"testing"
+	"time"
+
+	"connectrpc.com/connect"
+	"github.com/garethgeorge/backrest/gen/go/types"
+	v1 "github.com/garethgeorge/backrest/gen/go/v1"
+	"github.com/garethgeorge/backrest/gen/go/v1/v1connect"
+	"github.com/garethgeorge/backrest/internal/testutil"
+	"google.golang.org/protobuf/types/known/emptypb"
+)
+
+func TestFirstRun(t *testing.T) {
+	tmpDir, err := os.MkdirTemp("", "backrest-e2e-test")
+	if err != nil {
+		t.Fatalf("failed to create temp dir: %v", err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	binPath := filepath.Join(tmpDir, "backrest")
+	if runtime.GOOS == "windows" {
+		binPath += ".exe"
+	}
+
+	// Build backrest binary
+	buildCmd := exec.Command("go", "build", "-o", binPath, "../../cmd/backrest")
+	buildCmd.Stderr = os.Stderr
+	buildCmd.Stdout = os.Stdout
+	if err := buildCmd.Run(); err != nil {
+		t.Fatalf("failed to build backrest binary: %v", err)
+	}
+
+	addr := testutil.AllocOpenBindAddr(t)
+
+	// Run backrest
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	cmd := exec.CommandContext(ctx, binPath,
+		"-data-dir", tmpDir, "-config-file",
+		filepath.Join(tmpDir, "config.json"),
+		"-bind-address", addr)
+	cmd.Stderr = os.Stderr
+	cmd.Stdout = os.Stdout
+	if err := cmd.Start(); err != nil {
+		t.Fatalf("failed to start backrest: %v", err)
+	}
+
+	testutil.TryNonfatal(t, ctx, func() error {
+		resp, err := http.Get(fmt.Sprintf("http://%s", addr))
+		if err != nil {
+			return err
+		}
+		resp.Body.Close()
+		if resp.StatusCode != http.StatusOK {
+			return fmt.Errorf("expected status code %d, got %d", http.StatusOK, resp.StatusCode)
+		}
+		return nil
+	})
+
+	t.Run("set instance ID", func(t *testing.T) {
+		client := v1connect.NewBackrestClient(
+			http.DefaultClient,
+			fmt.Sprintf("http://%s", addr),
+		)
+
+		req := connect.NewRequest(&v1.Config{
+			Instance: "TestInstance",
+		})
+		resp, err := client.SetConfig(context.Background(), req)
+		if err != nil {
+			t.Fatalf("SetConfig failed: %v", err)
+		}
+
+		if resp.Msg.Instance != "TestInstance" {
+			t.Errorf("expected instance ID to be 'TestInstance', got %q", resp.Msg.Instance)
+		}
+	})
+
+	t.Run("get config", func(t *testing.T) {
+		client := v1connect.NewBackrestClient(
+			http.DefaultClient,
+			fmt.Sprintf("http://%s", addr),
+		)
+
+		req := connect.NewRequest(&emptypb.Empty{})
+		resp, err := client.GetConfig(context.Background(), req)
+		if err != nil {
+			t.Fatalf("GetConfig failed: %v", err)
+		}
+
+		if resp.Msg.Instance != "TestInstance" {
+			t.Errorf("expected instance ID to be 'TestInstance', got %q", resp.Msg.Instance)
+		}
+	})
+
+	t.Run("add repo", func(t *testing.T) {
+		client := v1connect.NewBackrestClient(
+			http.DefaultClient,
+			fmt.Sprintf("http://%s", addr),
+		)
+
+		req := connect.NewRequest(&v1.Repo{
+			Id:  "test-repo",
+			Uri: filepath.Join(tmpDir, "test-repo"),
+		})
+		_, err := client.AddRepo(context.Background(), req)
+		if err != nil {
+			t.Fatalf("AddRepo failed: %v", err)
+		}
+	})
+
+	t.Run("trigger backup", func(t *testing.T) {
+		client := v1connect.NewBackrestClient(
+			http.DefaultClient,
+			fmt.Sprintf("http://%s", addr),
+		)
+
+		req := connect.NewRequest(&types.StringValue{
+			Value: "test-repo",
+		})
+		_, err := client.Backup(context.Background(), req)
+		if err != nil {
+			t.Fatalf("Backup failed: %v", err)
+		}
+	})
+}