Initial release.

Makefile

@@ -3,4 +3,4 @@ build:
 
 build-gateway-os:
 	docker compose run --rm chirpstack-pg-to-sqlite-armv7 go build -ldflags "-linkmode 'external' -extldflags '-static'"
-	cd packaging/gateway-os && ./package.sh 1.0.0
+	cd packaging/gateway-os && ./package.sh 4.0.0

README.md

@@ -6,6 +6,8 @@ ChirpStack Gateway OS (full) image from PostgreSQL to SQLite.
 
 ## Usage
 
+### CLI
+
 ```text
 Usage of ./chirpstack-pg-to-sqlite:
   -postgres-dsn string
@@ -20,6 +22,29 @@ Usage of ./chirpstack-pg-to-sqlite:
   schema. You can use the `chirpstack.empty.sqlite` as a skeleton.
 * This script will remove all data from the target SQLite database.
 
+### ChirpStack Gateway OS
+
+In the web-interface, under **System > Software**, click the **Upload package**
+button and upload the `.ipk` package. This will automatically migrate the
+PostgreSQL database to SQLite (leaving the PostgreSQL database as-is).
+
+## Building from source
+
+```text
+# Build for current architecture
+make build
+
+# Build ChirpStack Gateway OS (ARMv7) package
+make build-gateway-os
+```
+
+## Changelog
+
+### v4.0.0
+
+Initial release compatible with ChirpStack v4.9.0 database schema, ChirpStack
+Gateway OS v4.5.x.
+
 ## License
 
 This script is distributed under the MIT license. See also `LICENSE`.