debian repo

README.md

@@ -32,7 +32,19 @@ sudo terractl attach calamity
 
 ## Install
 
-Download the `.deb` from the releases page, then:
+From the apt repository, which also brings updates with `sudo apt upgrade`:
+
+```bash
+sudo install -d -m 0755 /etc/apt/keyrings
+sudo curl -fsSL https://gitea.adbraun.lol/api/packages/adam/debian/repository.key \
+  -o /etc/apt/keyrings/terraria-server-manager.asc
+echo "deb [signed-by=/etc/apt/keyrings/terraria-server-manager.asc] https://gitea.adbraun.lol/api/packages/adam/debian stable main" |
+  sudo tee /etc/apt/sources.list.d/terraria-server-manager.list
+sudo apt update
+sudo apt install terraria-server-manager
+```
+
+Or download the `.deb` from the releases page, then:
 
 ```bash
 sudo apt install ./terraria-server-manager_<version>_all.deb
@@ -75,7 +87,7 @@ To release, update `VERSION` and `CHANGELOG.md`, commit, and push a matching tag
 git tag v$(cat VERSION) && git push origin v$(cat VERSION)
 ```
 
-The `release` workflow (`.gitea/workflows/release.yaml`, Gitea Actions) then builds the `.deb` and publishes it as a release, with that version's changelog section as the notes. It needs a runner with the `ubuntu-latest` label. To build a package by hand instead, run `make deb`.
+The `release` workflow (`.gitea/workflows/release.yaml`, Gitea Actions) then builds the `.deb`, publishes it as a release with that version's changelog section as the notes, and adds it to the apt repository. It needs a runner with the `ubuntu-latest` label. To build a package by hand instead, run `make deb`.
 
 ## Disclaimer