diff --git a/README.md b/README.md
index dfb41bb..427c240 100644
--- a/README.md
+++ b/README.md
@@ -37,13 +37,13 @@ Pre-built binaries are provided for all [releases]:
 It's also possible to produce custom builds directly using [Go][golang] or
 [GoReleaser][goreleaser].
 
-With [Go 1.16][go1.16] or later the following command installs `luxws-exporter`
+With Go 1.16 or later the following command installs `luxws-exporter`
 system-wide into `/usr/local/bin/`:
 
-    sudo GOBIN=/usr/local/bin/ go install github.com/hansmi/wp2reg-luxws/luxws-exporter@main
+    go build -o luxws-exporter/luxws-exporter ./luxws-exporter && \
+      sudo install -t /usr/local/bin -m 0755 luxws-exporter/luxws-exporter
 
 [golang]: https://golang.org/
-[go1.16]: https://github.com/golang/go/wiki/Modules#go-116
 [goreleaser]: https://goreleaser.com/
 [releases]: https://github.com/hansmi/wp2reg-luxws/releases/latest
 [websocket]: https://en.wikipedia.org/wiki/WebSocket
diff --git a/contrib/systemd/wp2reg-luxws-exporter.default b/contrib/systemd/wp2reg-luxws-exporter.default
new file mode 100644
index 0000000..17ad43d
--- /dev/null
+++ b/contrib/systemd/wp2reg-luxws-exporter.default
@@ -0,0 +1,3 @@
+# Place this file into /etc/default/wp2reg-luxws-exporter and set the flags
+# according to your environment.
+WP2REG_LUXWS_EXPORTER_ARGS='--controller.address=192.168.0.1:8214 --controller.address.http=192.168.0.1:80 --controller.language=en --web.listen-address=localhost:9101'
diff --git a/wp2reg-luxws-exporter.service b/contrib/systemd/wp2reg-luxws-exporter.service
similarity index 72%
rename from wp2reg-luxws-exporter.service
rename to contrib/systemd/wp2reg-luxws-exporter.service
index dcef4c5..52ab63a 100644
--- a/wp2reg-luxws-exporter.service
+++ b/contrib/systemd/wp2reg-luxws-exporter.service
@@ -6,15 +6,12 @@ Description=Prometheus exporter for working with heat pump controllers from Alph
 ; Start after the network has been configured
 After=network-online.target
 Wants=network-online.target
-StartLimitInterval=200
-StartLimitBurst=5
 
 [Service]
+EnvironmentFile=-/etc/default/wp2reg-luxws-exporter
 Type=simple
-; ===> Set the path and flags according to your environment. <================
-ExecStart=/usr/local/sbin/luxws-exporter --controller.address=192.168.0.1:8214 --controller.address.http=192.168.0.1:80 --controller.language=cz --web.listen-address=localhost:9101
+ExecStart=/usr/local/sbin/luxws-exporter $WP2REG_LUXWS_EXPORTER_ARGS
 Restart=always
-RestartSec=30
 ; The fields below are optional, but strongly recommended: The service is put
 ; into an empty runtime directory chroot, i.e. the runtime directory which
 ; usually resides under /run. See also https://unix.stackexchange.com/q/635027/22339