diff --git a/command/daemon/config.go b/command/daemon/config.go
index 339803a..753c2e2 100644
--- a/command/daemon/config.go
+++ b/command/daemon/config.go
@@ -7,7 +7,6 @@ package daemon
 import (
 	"fmt"
 	"os"
-	"runtime"
 
 	"github.com/joho/godotenv"
 	"github.com/kelseyhightower/envconfig"
@@ -18,13 +17,6 @@ type Config struct {
 	Debug bool `envconfig:"DRONE_DEBUG"`
 	Trace bool `envconfig:"DRONE_TRACE"`
 
-	Logger struct {
-		File       string `envconfig:"DRONE_LOG_FILE"`
-		MaxAge     int    `envconfig:"DRONE_LOG_FILE_MAX_AGE"     default:"1"`
-		MaxBackups int    `envconfig:"DRONE_LOG_FILE_MAX_BACKUPS" default:"1"`
-		MaxSize    int    `envconfig:"DRONE_LOG_FILE_MAX_SIZE"    default:"100"`
-	}
-
 	Client struct {
 		Address    string `ignored:"true"`
 		Proto      string `envconfig:"DRONE_RPC_PROTO"  default:"http"`
@@ -60,6 +52,7 @@ type Config struct {
 		Procs      int64             `envconfig:"DRONE_RUNNER_MAX_PROCS"`
 		Environ    map[string]string `envconfig:"DRONE_RUNNER_ENVIRON"`
 		EnvFile    string            `envconfig:"DRONE_RUNNER_ENV_FILE"`
+		Secrets    map[string]string `envconfig:"DRONE_RUNNER_SECRETS"`
 		Labels     map[string]string `envconfig:"DRONE_RUNNER_LABELS"`
 		Volumes    map[string]string `envconfig:"DRONE_RUNNER_VOLUMES"`
 		Devices    []string          `envconfig:"DRONE_RUNNER_DEVICES"`
@@ -68,8 +61,8 @@ type Config struct {
 	}
 
 	Platform struct {
-		OS      string `envconfig:"DRONE_PLATFORM_OS"`
-		Arch    string `envconfig:"DRONE_PLATFORM_ARCH"`
+		OS      string `envconfig:"DRONE_PLATFORM_OS"    default:"linux"`
+		Arch    string `envconfig:"DRONE_PLATFORM_ARCH"  default:"amd64"`
 		Kernel  string `envconfig:"DRONE_PLATFORM_KERNEL"`
 		Variant string `envconfig:"DRONE_PLATFORM_VARIANT"`
 	}
@@ -115,13 +108,6 @@ func fromEnviron() (Config, error) {
 		config.Client.Host,
 	)
 
-	if config.Platform.OS == "" {
-		config.Platform.OS = runtime.GOOS
-	}
-	if config.Platform.Arch == "" {
-		config.Platform.Arch = runtime.GOARCH
-	}
-
 	// environment variables can be sourced from a separate
 	// file. These variables are loaded and appended to the
 	// environment list.
diff --git a/command/daemon/daemon.go b/command/daemon/daemon.go
index 88d35af..26ef741 100644
--- a/command/daemon/daemon.go
+++ b/command/daemon/daemon.go
@@ -117,7 +117,7 @@ func (c *daemonCommand) run(*kingpin.ParseContext) error {
 			),
 			Compiler: &compiler.Compiler{
 				Environ:    config.Runner.Environ,
-				Privileged: config.Runner.Privileged,
+				Privileged: append(config.Runner.Privileged, compiler.Privileged...),
 				Networks:   config.Runner.Networks,
 				Volumes:    config.Runner.Volumes,
 				// Resources:  nil,
@@ -131,10 +131,15 @@ func (c *daemonCommand) run(*kingpin.ParseContext) error {
 						config.Registry.SkipVerify,
 					),
 				),
-				Secret: secret.External(
-					config.Secret.Endpoint,
-					config.Secret.Token,
-					config.Secret.SkipVerify,
+				Secret: secret.Combine(
+					secret.StaticVars(
+						config.Runner.Secrets,
+					),
+					secret.External(
+						config.Secret.Endpoint,
+						config.Secret.Token,
+						config.Secret.SkipVerify,
+					),
 				),
 			},
 			Execer: runtime.NewExecer(
diff --git a/engine/compiler/clone.go b/engine/compiler/clone.go
index a268966..65730f0 100644
--- a/engine/compiler/clone.go
+++ b/engine/compiler/clone.go
@@ -22,7 +22,7 @@ func cloneImage(platform manifest.Platform) string {
 	case "windows":
 		return "drone/git:latest"
 	default:
-		return "drone/git:1"
+		return "drone/git:latest"
 	}
 }
 
diff --git a/engine/compiler/clone_test.go b/engine/compiler/clone_test.go
index 0799f8e..e1ca870 100644
--- a/engine/compiler/clone_test.go
+++ b/engine/compiler/clone_test.go
@@ -41,7 +41,7 @@ func TestClone(t *testing.T) {
 	want := []*engine.Step{
 		{
 			ID:         "random",
-			Image:      "drone/git:1",
+			Image:      "drone/git:latest",
 			Name:       "clone",
 			Pull:       engine.PullDefault,
 			RunPolicy:  engine.RunAlways,
@@ -84,7 +84,7 @@ func TestCloneDisable(t *testing.T) {
 func TestCloneCreate(t *testing.T) {
 	want := &engine.Step{
 		Name:      "clone",
-		Image:     "drone/git:1",
+		Image:     "drone/git:latest",
 		RunPolicy: engine.RunAlways,
 		Envs:      map[string]string{"PLUGIN_DEPTH": "50"},
 	}
@@ -102,11 +102,11 @@ func TestCloneImage(t *testing.T) {
 	}{
 		{
 			in:  manifest.Platform{},
-			out: "drone/git:1",
+			out: "drone/git:latest",
 		},
 		{
 			in:  manifest.Platform{OS: "linux"},
-			out: "drone/git:1",
+			out: "drone/git:latest",
 		},
 		{
 			in:  manifest.Platform{OS: "windows"},
diff --git a/engine/compiler/testdata/graph.json b/engine/compiler/testdata/graph.json
index 3862fd4..ff02bc6 100644
--- a/engine/compiler/testdata/graph.json
+++ b/engine/compiler/testdata/graph.json
@@ -4,7 +4,7 @@
     {
       "id": "random",
       "environment": {},
-      "image": "drone/git:1",
+      "image": "drone/git:latest",
       "labels": {},
       "name": "clone",
       "run_policy": "always",
diff --git a/engine/compiler/testdata/serial.json b/engine/compiler/testdata/serial.json
index 3862fd4..ff02bc6 100644
--- a/engine/compiler/testdata/serial.json
+++ b/engine/compiler/testdata/serial.json
@@ -4,7 +4,7 @@
     {
       "id": "random",
       "environment": {},
-      "image": "drone/git:1",
+      "image": "drone/git:latest",
       "labels": {},
       "name": "clone",
       "run_policy": "always",
diff --git a/runtime/runner.go b/runtime/runner.go
index 819eea6..96a70f1 100644
--- a/runtime/runner.go
+++ b/runtime/runner.go
@@ -76,6 +76,10 @@ func (s *Runner) Run(ctx context.Context, stage *drone.Stage) error {
 
 	stage.Machine = s.Machine
 	err := s.Client.Accept(ctx, stage)
+	if err != nil && err == client.ErrOptimisticLock {
+		log.Debug("stage accepted by another runner")
+		return nil
+	}
 	if err != nil {
 		log.WithError(err).Error("cannot accept stage")
 		return err