diff --git a/Dockerfile b/Dockerfile
index 4ecc0f52e..02f872de4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,5 +44,6 @@ HEALTHCHECK --interval=1m --timeout=10s \
   CMD curl -fkLsS -m 2 127.0.0.1:8384/rest/noauth/health | grep -o --color=never OK || exit 1
 
 ENV STGUIADDRESS=0.0.0.0:8384
+ENV STHOMEDIR=/var/syncthing/config
 RUN chmod 755 /bin/entrypoint.sh
-ENTRYPOINT ["/bin/entrypoint.sh", "/bin/syncthing", "-home", "/var/syncthing/config"]
+ENTRYPOINT ["/bin/entrypoint.sh", "/bin/syncthing"]
diff --git a/cmd/syncthing/cmdutil/options_common.go b/cmd/syncthing/cmdutil/options_common.go
index 0751892d8..1a7a30999 100644
--- a/cmd/syncthing/cmdutil/options_common.go
+++ b/cmd/syncthing/cmdutil/options_common.go
@@ -9,8 +9,8 @@ package cmdutil
 // CommonOptions are reused among several subcommands
 type CommonOptions struct {
 	buildCommonOptions
-	ConfDir         string `name:"config" placeholder:"PATH" help:"Set configuration directory (config and keys)"`
-	HomeDir         string `name:"home" placeholder:"PATH" help:"Set configuration and data directory"`
+	ConfDir         string `name:"config" placeholder:"PATH" env:"STCONFDIR" help:"Set configuration directory (config and keys)"`
+	HomeDir         string `name:"home" placeholder:"PATH" env:"STHOMEDIR" help:"Set configuration and data directory"`
 	NoDefaultFolder bool   `env:"STNODEFAULTFOLDER" help:"Don't create the \"default\" folder on first startup"`
 	SkipPortProbing bool   `help:"Don't try to find free ports for GUI and listen addresses on first startup"`
 }
diff --git a/cmd/syncthing/main.go b/cmd/syncthing/main.go
index 5690440cf..cdbf38a37 100644
--- a/cmd/syncthing/main.go
+++ b/cmd/syncthing/main.go
@@ -144,9 +144,9 @@ type serveOptions struct {
 	Audit            bool   `help:"Write events to audit file"`
 	AuditFile        string `name:"auditfile" placeholder:"PATH" help:"Specify audit file (use \"-\" for stdout, \"--\" for stderr)"`
 	BrowserOnly      bool   `help:"Open GUI in browser"`
-	DataDir          string `name:"data" placeholder:"PATH" help:"Set data directory (database and logs)"`
+	DataDir          string `name:"data" placeholder:"PATH" env:"STDATADIR" help:"Set data directory (database and logs)"`
 	DeviceID         bool   `help:"Show the device ID"`
-	GenerateDir      string `name:"generate" placeholder:"PATH" help:"Generate key and config in specified dir, then exit"` //DEPRECATED: replaced by subcommand!
+	GenerateDir      string `name:"generate" placeholder:"PATH" help:"Generate key and config in specified dir, then exit"` // DEPRECATED: replaced by subcommand!
 	GUIAddress       string `name:"gui-address" placeholder:"URL" help:"Override GUI address (e.g. \"http://192.0.2.42:8443\")"`
 	GUIAPIKey        string `name:"gui-apikey" placeholder:"API-KEY" help:"Override GUI API key"`
 	LogFile          string `name:"logfile" default:"${logFile}" placeholder:"PATH" help:"Log file name (see below)"`
@@ -354,7 +354,7 @@ func (options serveOptions) Run() error {
 	}
 
 	// Ensure that our home directory exists.
-	if err := syncthing.EnsureDir(locations.GetBaseDir(locations.ConfigBaseDir), 0700); err != nil {
+	if err := syncthing.EnsureDir(locations.GetBaseDir(locations.ConfigBaseDir), 0o700); err != nil {
 		l.Warnln("Failure on home directory:", err)
 		os.Exit(svcutil.ExitError.AsInt())
 	}
@@ -722,7 +722,6 @@ func setupSignalHandling(app *syncthing.App) {
 func loadOrDefaultConfig() (config.Wrapper, error) {
 	cfgFile := locations.Get(locations.ConfigFile)
 	cfg, _, err := config.Load(cfgFile, protocol.EmptyDeviceID, events.NoopLogger)
-
 	if err != nil {
 		newCfg := config.New(protocol.EmptyDeviceID)
 		return config.Wrap(cfgFile, newCfg, protocol.EmptyDeviceID, events.NoopLogger), nil
@@ -750,7 +749,7 @@ func auditWriter(auditFile string) io.Writer {
 		} else {
 			auditFlags = os.O_WRONLY | os.O_CREATE | os.O_APPEND
 		}
-		fd, err = os.OpenFile(auditFile, auditFlags, 0600)
+		fd, err = os.OpenFile(auditFile, auditFlags, 0o600)
 		if err != nil {
 			l.Warnln("Audit:", err)
 			os.Exit(svcutil.ExitError.AsInt())